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GE Sensing & Inspection T echnologies Flow 910-219 Rev . F November 2009 T ransP or t® Model PT878 Por table Liquid Flowmet er User ’s Manual.
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GESensingInspection.com ©2009 General Electric Com pany. All r ights reserved. Technical content subject t o change without notice. GE Sensing & Inspection T echnologies T ransP or t® Model PT878 Por table Liquid Flowmet er User ’s Manual 910-219 Rev .
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Preface Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual iii Information Paragraphs • Note paragraphs provide information that pr ovides a deeper understand ing of the situation, but is not essential to the p r oper completion of the instru ctions.
Preface iv Transport® M odel PT878 Portable Liquid Fl owmeter User ’s Manual Auxiliary Equipment Local Safety Standar ds The user must make sure that he oper ates all auxiliary equipment in accordance with local codes, standards, regulatio ns, or laws applicable to safety .
Preface Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual v Environmental Compliance Waste Electrical and Electron ic Equipment (WEEE) Dire ctive GE Sensing & Inspect ion T echnol ogies is an active participant in Europe’ s W aste Electrical and Electr onic Equipment (WEEE) take-back initiative, directive 2002/96/ EC.
Preface vi Transport® Model PT878 Portable Liquid Flo wmeter User ’s Manual [no content intended for this page - pr oceed t o next pag e].
Contents Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual vii Chapter 1. Features and Capabiliti es 1.1 Over view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents viii Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual Chapter 3. Programming Site Data 3.1 Entering the Program Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.2 Entering Transducer Parameter s .
Contents Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual ix Chapter 4. Creating and Ma naging Sites 4.1 The Site Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 4.
Contents x Transport® Model PT878 Portable Liquid Flowmet er User ’s Manual Chapter 6. Programming Meter Settings 6.1 Entering the Met er Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 6.2 Selecting Measurement Units .
Contents Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual xi Chapter 7. Logging Data 7.1 Entering the Logging Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132 7.2 The Log Manager . . . . .
Contents xii Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual Chapter 8. Servicing the PT878 8.1 Entering the Ser vice Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 8.2 Printing Reports .
Contents Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual xiii Chapter 9. Diagnostics and Troubleshooting 9.1 Error Code Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204 9.2 Displaying Diagnostic Parameters .
Contents xiv Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Appendix A. Menu Maps Appendix B. Measuring P and L Dimensions Appendix C. Temperature Transmitter Installati on C.1 Guidelines for RTD Installation . . . . . . . . . . .
Chapter 1. Featur es and Capabilities Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 1 Chapter 1. Featur es and Capabilities The T ransPort ® Model PT878 is a transit-tim e flowmeter which combines all the features of a full-size flowmete r with the advantages of a portable instrument.
Chapter 1. Features and Capab ilities 2 Transport® Model PT878 Portable Liquid Flowmet er User ’ s Manual 1.1 Overview (cont .) T o assist you, the PT878 is fully equipped with context-sensitive on-line help which is accessible at any time by simply pressing the “?” (Help) key .
Chapter 1. Featur es and Capabilities Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3 1.2.2 Electronics Package The PT878 consists of circuits that ge nerate, receive, and measure the travel time of the ultrasonic pulses. It also contains a microcompu ter that controls operation and calculates flow measurem ent parameters.
Chapter 1. Features and Capab ilities 4 Transport® Model PT878 Portable Liquid Flowmet er User ’ s Manual 1.3 Theory of Operation The PT878 is a transit-time ultrasonic flowmeter .
Chapter 2. In itial Setup Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 5 Chapter 2. Initial Setup Before making measurements, you must prepare the PT878 for operation.
Chapter 2. Initial Set up 6 Transport® Model PT878 Portable Liquid Flowmet er User ’ s Manual 2.1 Making Electrical Connections Before making measurements with the PT8 78, you must make all the necessary connections to the unit.
Chapter 2. In itial Setup Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 7 2.1.1 Power Connections The PT878 is powered by either a 100-120/2 00-260 V AC wall mount plug-in module, or by 5 interna l C s -siz e NiCad high-energy rechar geable batteries or by a pack of 3.
Chapter 2. Initial Set up 8 Transport® Model PT878 Portable Liquid Flowmet er User ’ s Manual 2.1.3 Input/Output Connections (cont .) 2.1.4 The Infrared Wireless Interface The PT878 comes equ ipp e.
Chapter 2. In itial Setup Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 9 2.2 Caring for the PT878 Batteries The PT878 comes with self-contained, built-in rechargeable batteries to support portable operation. For optimum performance, these batteries require a minimum of maintenance.
Chapter 2. Initial Set up 10 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 2.2.1 Charging and Storing the Batteries (cont . ) Store the batteries at temperatures from –4°F to 131°F (–20°C to 55°C) for periods of less than one month , or from 32°F to 104°F (0°C to 40°C) for longer periods.
Chapter 2. In itial Setup Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 11 2.2.2 Replacing the Batteries (cont .) Figure 3: Batt ery Location T o furthe r extend the battery power on the PT878, the GE Part #705-1283 option uses 6 AA alkaline ba tteries.
Chapter 2. Initial Set up 12 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 2.3 Powering ON and OFF T o operate the PT878, the power cord mu st be plugged into line voltage or the battery must be charged as described previo us ly .
Chapter 2. In itial Setup Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 13 2.3 Powering ON and OFF (cont .) After the meter conducts a ll the self checks, the screen then appears similar to the one shown in Figure 4 b elow . Fi gure 4: S cre en A ft er Pow eri ng O N 2000/1 1/30 09:53 AM V elocity , f t/s Signal, dB 0.
Chapter 2. Initial Set up 14 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 2.3 Powering ON and OFF (cont .) T o turn the PT878 of f, press the re d key for 3 seconds.
Chapter 2. In itial Setup Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 15 2.4 Using the Scr een and Ke ypad The essential features for operating th e PT878 are the screen and keypad. Although these features are common on portable instruments, the PT878 design offers particular features to simplify and speed operation.
Chapter 2. Initial Set up 16 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 2.4.1 Screen (cont). The middle of the screen show n in Figure 6 on page 15 is the work area, which displays th e mea sured paramete rs, numeric measurements, and both bar and line graphs.
Chapter 2. In itial Setup Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 17 2.4.2 Keypad The PT878 keypad has 25 keys. The functions for each key are as follows (see Figure 7 on page 18): • 3 function keys ( [F1] , [F2] , [F3] ) — enable you to select the special functions which appear at the bottom of the screen.
Chapter 2. Initial Set up 18 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 2.4.2 Keypad (cont .) Figure 7: PT878 K eypad F1 F2 F3 ? 1 2 3 4 5 6 7 8 9 0 • – ESC SEL ENTER MENU .
Chapter 2. In itial Setup Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 19 2.5 Obtaining On-Line Help The PT878 offers context-sensitive on -line help screens that describe various features. Y ou can access on-line help at any time by pressing the [?] key .
Chapter 2. Initial Set up 20 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual [no content intended for this page - pr oceed t o next pag e].
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 21 Chapter 3. Programming Site Data On the PT878, a Program Menu (part of the Main Menu) enables yo.
Chapter 3. Programming Sit e Data 22 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.1 Entering t he Pr ogram Menu T o enter the Program Menu, press the [ME NU] key at the lower ri ght of the PT878 keypad. The Menu Bar replaces the Status Bar at the top of the screen.
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 23 3.2 Entering Transducer Parameters T o enter the T ransducer option, scro ll to the T ransducer entry on the Program Menu and press [ENTER] . The screen appears similar to Figure 10 below .
Chapter 3. Programming Sit e Data 24 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.2 Entering Transducer P arameters (cont .) Note: The choices made ear ly in the T ransducer and Pipe options determine the pr ompts available late r .
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 25 Figure 11: T ransducer Numbers Drop-Down List Table 4: T ransducer Numbers Available WET TED CL .
Chapter 3. Programming Sit e Data 26 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.2.1 Parameters for Special Transducers Note: The factory will supply the inform ation r e quir ed below with the transducers.
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 27 3.2.1 Parameters for Special Transducers (cont .) Note: If the err or message in Figur e 12 be low , or one similar to Figur e 13 on page 28 appears, the Pipe Soundspeed, W edge Soundspeed, and/or the W edge Ang l e may be in err or .
Chapter 3. Programming Sit e Data 28 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.2.1 Parameters for Special Transducers (cont .) Figure 13: Low Angle Error Message Window Note: When the corrected information is enter ed, a message similar to Figur e 14 appears.
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 29 3.2.1 Parameters for Special Transducers (cont .) Figure 14: T ransducer Spacing Change W indow 6. The PT878 must also take into account the wedge temperature.
Chapter 3. Programming Sit e Data 30 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.2.2 Conf irming Entries • T o confirm the entries and return to Operate mode, press [F3] (OK ). • T o leave the window without confirming t he entries, press [F2] (Cancel) or the [ESC] key .
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 31 3.3 Entering Pipe Parameters (cont .) 1. The first prompt asks you to select the pipe material. a. Press [ENTER] to enter the material prompt. b. A drop-down list of materials opens.
Chapter 3. Programming Sit e Data 32 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.3 Entering Pipe Parameters (cont .) d. If you have selected “O ther ,” the meter p rompts you to enter the soundspeed. Use the numeric keys to type the desired soundspee d in the text box, and press [ENTER] to confirm the choice.
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 33 3.3 Entering Pipe Parameters (cont .) Figure 17: T ransducer Spacing Change W indow 2. The next prompt ask s if you wish to measure the p ipe wall with the internal thickness gauge.
Chapter 3. Programming Sit e Data 34 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.3 Entering Pipe Parameters (cont .) If you select a material that u ses the Diameter alternative: a. Y ou must select from two choices, outside diameter or circumference.
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 35 3.3 Entering Pipe Parameters (cont .) • T o confirm the entries and return to Operate Mode, press [F3] (OK). • T o leave the window without confirming t he entries, press [F2] (Cancel) or the [ESC] key .
Chapter 3. Programming Sit e Data 36 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.4 Entering Pipe Lining Parameters (cont .) 1. The PT878 first prompts you to select the pipe lining material. a. Press [ENTER] to open the drop-down list of lining materials.
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 37 3.5 Entering Fluid Types and Speeds T o access the Fluid option, scroll to the Fluid entry on the Program Menu and press [ENTER] .
Chapter 3. Programming Sit e Data 38 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.5 Entering Fluid Ty pes and Speeds (cont .) 2.
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 39 • T o confirm the entries and return to Operate Mode, press [F3] (OK).The PT878 returns to Op erate Mode. • T o leave the window without confirming t he entries, press [F2] (Cancel) or the [ESC] key .
Chapter 3. Programming Sit e Data 40 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.6.1 Path Parameters for Clamp-On Transducers Note: For wetted transducers, go to page 41. If you are using clamp-on transducers, the PT878 path menu includes two parameters: • Tr a v e r s e s • Spacing 1.
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 41 3.6.2 Path Parameters for Wetted Transducers If you are using wetted transdu ce rs, the PT878 path me nu incl udes the following set of parameters: • Path Length • Axial Length 1.
Chapter 3. Programming Sit e Data 42 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.7 Entering t he Ener gy Option Paramete rs The Energy Option enables you to calculate the energy of a system ba sed on the temperature at a supply point, the te mperature at a return point, and the flow of fluid throug h the system.
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 43 3.7 Entering the Energy Option Paramet ers (cont . ) 2. The next prompt asks if you are using a heating or cooling system. a. Use the [ W ] and [ X ] keys to scroll to the appropriate radio button.
Chapter 3. Programming Sit e Data 44 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.7.1 Entering Inputs in the Energy Option T o enter input parameters in the Ener gy Option, return to the Energy Option tab at the top of the Ener gy Option window .
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 45 3.7.1 Entering Inputs in th e Energy Option (cont .) 2. The next prompt depen ds on whether you have selected a fixed or an active supply . • If you have selected a fixed supply , the PT878 asks for the desired temperature.
Chapter 3. Programming Sit e Data 46 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.7.1 Entering Inputs in th e Energy Option (cont .) • T o confirm the entries and return to Operate mode, press [F3] (OK ). The PT878 returns to Op erate Mode.
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 47 3.7.2 Entering Custom Cp Data in the Energy Option (cont .) 1. The first prompt ask s if you wish to enter or edit data in the Custom Cp (enthalpy) table.
Chapter 3. Programming Sit e Data 48 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.7.2 Entering Custom Cp Data in the Energy Option (cont .) 2. The next prompt ask s from which source — a fixed value or tabl e — the PT878 will use for fluid density values.
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 49 d. Repeat steps b and c for the remainder of the table. e. When you have completed entering up to 2 0 values, press [F3] (OK) to confirm the table and return to the Custom Cp window .
Chapter 3. Programming Sit e Data 50 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.8 Entering Analog Inputs The Analog Input option enables you to specify parame ters for general purpose or ener gy inputs. T o enter the Inputs option, scroll to the Analog Input entry on the Program Menu and press [ENTER] .
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 51 3.8.1 Entering General-Purpose Analog Inputs (cont .) 2. The next prompt asks if you want to label the input. a. Press [ENTER] to enter the text box.
Chapter 3. Programming Sit e Data 52 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.8.1 Entering General-Purpose Analog Inputs (cont .) 3. The next prompt a sks you to create a label for the units, if desired. (This label will appear to the right of th e zero and span v alue boxes.
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 53 3.8.2 Entering Analog Inputs in the Energy Option (cont .) The screen displays the function (sup ply or return temperature), label (supply or return temperatur e) and units selected in the Inputs form of the Energy Option (see page 44).
Chapter 3. Programming Sit e Data 54 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.9 Entering the Analog Output The Analog Output opti on enables yo u to enter information to set up output parameters. T o enter the option, scro ll to the Analog Output entry on the Program Menu and press [ENTER] .
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 55 3.9 Entering the Analog Output (cont .) 2. The next prom pt asks you to select th e analog output typ e from a list of choices, as shown in Figure 30 below .
Chapter 3. Programming Sit e Data 56 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.9 Entering the Analog Output (cont .) 3. The next prompt ask s you to enter the zero (base) value for the analog output. This value represents the 0/4 mA ou tput (in flow units).
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 57 3.10 Entering the Digital Output While resembling the Analog Output option, the Digital Output option enables you to set up parameters neces sary for a digital output.
Chapter 3. Programming Sit e Data 58 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.10 Entering the Digital Output (cont .) a. Press [ENTER] to open the drop-dow n menu. b. Scroll to the desired function. c. Press [ENTER] to confirm your selection.
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 59 3.10 Entering the Digital Output (cont .) a. Press [ENTER] to open the text box. b. Use the numeric keys to enter the desired value. c. Press [ENTER] to confirm your selection.
Chapter 3. Programming Sit e Data 60 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.10 Entering the Digital Output (cont .) If you enter ed Gate Input: Note: Gate Input is used to synchr on ize the totalizer with the meter calibration system (discussed on page 67).
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 61 3.11 Entering User Functions User functions enab le you to progra m mathematical equations on each measurement. Y ou can also use any parameter in the meter to calculate a different parameter .
Chapter 3. Programming Sit e Data 62 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.11 Entering User Functions (cont .) 2. The next prompt asks you to create a label for the function. The label corresponds to the measu rement type (i.
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 63 3.11 Entering User Functions (cont .) d. When you have completed the label, press [F3] (OK) to confirm the label, or [F2] (Cancel) to leave the wind ow without adding the label.
Chapter 3. Programming Sit e Data 64 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.11 Entering User Functions (cont .) Figure 34: Function Cr eation Window c. T o enter a particular measured parameter into t he equation, click on the MODE symbol in the middl e of the third row .
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 65 3.11.1 Entering Correction Factors The final option in the Pr ogram Menu, Correction Facto rs, allows you to enter and modify three correctio n factors: Reynolds Correction, Kinematic V iscosity and Calibration Factor .
Chapter 3. Programming Sit e Data 66 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.11.2 Entering Reynolds Correction (cont .) 1. The first prompt asks if you want to en ab le the Reynolds Correction factor , a number based on the Ki nematic V isc os ity and flow rate of the fluid.
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 67 3.11.3 Entering a Calibration Fact or The Calibration Factor is used to calib rate or adjust the readings of the PT878 to another flow reference.
Chapter 3. Programming Sit e Data 68 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.11.3 Entering a Calibration Fact or (cont .) 3. The following steps depend on whether you select a single value or a table. If you enter ed Single: The prompt asks for a value.
Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 69 3.11.3 Entering a Calibration Fact or (cont .) If you enter ed T able: The menu asks, first for the data source , and then for the entry of values into the Correction Factor table.
Chapter 3. Programming Sit e Data 70 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.11.3 Entering a Calibration Fact or (cont .) b. Use the numeric keys to enter the desired value for the data source, and press [ENTER] to confirm the entry .
Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 71 Chapter 4. Creating and Managing Sites As mentioned in Chapter 1, the PT878 can store site data in files for current and future access. (T o learn how to program setup data, refer to Chapter 3, Pr ogramming Site Data .
Chapter 4. Crea ting and Managing Sites 72 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1 The Site Manager From the Site Menu, press [ENTER] to open the Site Manager .
Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 73 4.1 The Site Manager (cont .) Figure 40: Site Manager Menu Depending on the choice made above, proceed as follows: • T o create a new site, go to page 74.
Chapter 4. Crea ting and Managing Sites 74 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1 The Site Manager (cont .) Y ou can arrange files from the S ort submenu (shown in Figure 55 on page 88) • T o sort files by name, go to page 88.
Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 75 4.1.1 Creating a New Site (cont .) 2. Repeat this procedure until you have cr eated the desired site name of up to eight characters. (Press [F1] , Delete, to remove any unwanted letters or numbers.
Chapter 4. Crea ting and Managing Sites 76 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1.2 Opening an Existing Site If you want to return to a si te you have previo usly saved, first highlight the replacement site in the left window of the Site Manager .
Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 77 4.1.3 Saving a Site Y ou can save the current site in one of two ways: • From the Site .
Chapter 4. Crea ting and Managing Sites 78 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1.4 Saving a Site with a Different Name If you want to save the current site w ith a different name, open the Site Manager , press [MENU] to open the File Menu, sc roll to the Save As option, and press [ENTER] .
Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 79 4.1.5 Refr eshing a Site Y ou can refresh a site (updating the display with the most current information) in one of two ways: • Press [F2] , Refresh, to refresh the highlighted file.
Chapter 4. Crea ting and Managing Sites 80 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1.7 Deleting a Site T o delete a site in the Site Manager , first be sure you have highlighted that site in the left window of the Site Manager .
Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 81 4.1.8 Creating a Site Message The Site Message option allows you to add an explanatory message (with up to 30 characters or spaces) for an y given site.
Chapter 4. Crea ting and Managing Sites 82 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1.8 Creating a Site Message (cont .) Figur e 49: Te xt Creat ion Window 3. Use the four arrow keys to scroll to the desire d letter or symbol, an d press [ENTER] to add the letter to the message.
Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 83 4.1.9 Printing a Current Site T o print the current site from within the Site Manager , press [MENU] to open the File Menu. Th en p ress the [ X ] arrow key once to scroll from the File Menu to the Site Menu.
Chapter 4. Crea ting and Managing Sites 84 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1.10 T ransferring a Site to a PC (cont .
Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 85 4.1.12 T ransferring a File from a PC t o the PT878 Once you have stored site or meter file s to a PC, you can th en transfer them back to the PT878 over an IR senso r (connected to the PC) through the PT878 IR interface.
Chapter 4. Crea ting and Managing Sites 86 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1.12 T ransferring a File fr om a PC t o the PT878 (cont .) For W indows 95/98/2000: • Click on the Infrar ed icon in the System T ray of your PC, as shown in Figure 52 below .
Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 87 4.1.12 T ransferring a File fr om a PC t o the PT878 (cont .) • From W indows Ex plor e r , right-click on the selected file. Select Send To Infrared Recipient or Nearby Computer .
Chapter 4. Crea ting and Managing Sites 88 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1.13 Listing Files by Name If you want to list your files alphabetically by site name within the Site Manager , press [MENU] to open the File Menu.
Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 89 Chapter 5. Displaying and Conf iguring Data The PT878 allows you to view from one to four dif ferent measurement parameters simultaneously .
Chapter 5. Displaying and Co nf iguring Data 90 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 5.1 The Format Option The first option on the me nu , Format, allows you to specify the ty pe of notation and the number of decimal places for the measurement in that window .
Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 91 5.1 The Format Option (cont .) 2. The second step asks you to choose the number of decimal places to be displayed. A vailable choices range from 0 to 4 places.
Chapter 5. Displaying and Co nf iguring Data 92 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 5.2 The View Option The second option, V iew , allows yo u to select the presentation of a parameter in one of three formats: numeric, lin e graph or bar graph.
Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 93 5.3 The Limits Option Once you have configured a parameter as a line o r bar graph, you might need to change its presentation or va lues.
Chapter 5. Displaying and Co nf iguring Data 94 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 5.3 The Limits Option (cont .) 5. The first prompt asks for the minimum value shown in the graph. a. Press [ENTER] to open the text box.
Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 95 5.4 The Measurem ent Option On occasion, you migh t n eed to change the actual parameter measured in a given window .
Chapter 5. Displaying and Co nf iguring Data 96 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 5.4 The Measurement Option (cont .) Figure 60: Measur ement Menu Wi ndow Program ming.
Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 97 5.5 Customizing the Display Screen Y ou might wish to display one or two parameters, or cus tomize the soft keys to quickly access particular menus.
Chapter 5. Displaying and Co nf iguring Data 98 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 5.5.1 Specifying the Number of Displayed P arameter s As mentioned earlier , the PT878 ca n display one to four diff erent measurement parameters simultaneously .
Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 99 5.5.2 Customizing Softkeys When the screen is in Operate Mode, you might wish to access a particular submenu frequently without the tro uble of scrolling through menus.
Chapter 5. Displaying and Co nf iguring Data 100 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 5.5.2 Customizing Softkeys (cont .) Figure 64: Conf igure FK ey Window 3. Press [ENTER] to open the menu drop-down l ist. Then use the [ T ] or [ S ] arrow keys to scroll to the desired submenu (for example, Contrast).
Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 101 5.5.2 Customizing Softkeys (cont .) Figur e 65: Display Screen with Modi f ied Softkey • T o clear a softkey: 1.
Chapter 5. Displaying and Co nf iguring Data 102 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 5.6 Managing Files — The Drive Manager On occasion, you might wa nt to review , print or transfer some or all of the files in the PT878.
Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 103 5.6 Managing Files — The Drive Manager (cont .) Figure 67: File Mana ger Menu T o transfer , refresh or delete a file, firs t be sure the file is highlighted in the window on the left.
Chapter 5. Displaying and Co nf iguring Data 104 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 5.6.1 Transferring a F ile to a P C T o upload a log, meter , bitmap or site file to a PC: 1.
Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 105 5.6.2 Transferring a F ile from a PC t o the PT878 Once you have stored site or meter file s to a PC, you can th en transfer them back to the PT878 over the IR interface .
Chapter 5. Displaying and Co nf iguring Data 106 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 5.6.2 Transferring a F ile from a PC t o the PT878 (cont .) QuickBeam opens a window indicating that it is downloading the file. When the download is complete, the me ter returns to the Drive Manager .
Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 107 5.6.2 Transferring a F ile from a PC t o the PT878 (cont .) • From W indows Ex plor e r , right-click on the selected file. Select Send To Infrared Recipient or Nearby Computer .
Chapter 5. Displaying and Co nf iguring Data 108 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 5.6.4 Deleting a File T o delete a file in the File Manager , first be sure you have highlighted that file in the left window of the File Manager .
Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 109 5.6.5 Listing Files by Name If you want to list your files alphabeti cally by site name within the File Manager , press [MENU] to open the File Menu.
Chapter 5. Displaying and Co nf iguring Data 110 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 5.7 Accessing Meter Data —The About Option The About option di splays useful info rmation concerning the model number and software version of any given PT878.
Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 111 Chapter 6. Programming Meter Settings Along with display formats and site data, PT878 users can program global settings for the meter that suit their individual preferences.
Chapter 6. Programming Met er Settings 112 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.1 Entering t he Meter Menu T o enter the Meter Menu, press the [MENU] key at the lower right of the PT878 keypad. The Main Menu replaces the Status Bar at the top of the screen.
Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 113 6.2 Selecting Measurement Units The first option, Units, enables you to select either English or Metric units as global measurement units for the PT8 78.
Chapter 6. Programming Met er Settings 114 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.3 The Battery Charger The Battery option allows you to monito r the current run time and status of the internal rechargeable batteries, as well as to condition NiCad batteries to maintain the maximum life possible .
Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 115 6.3 The Batter y Char ger (cont .) 3. T o condition the batteries, press the [ENTER] key . The “Condition Battery” window should now read “Stop.
Chapter 6. Programming Met er Settings 116 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.4 Entering Date and T ime (cont .) 4. T wo alt ern ati ve s are availa bl e to change a highlighted number: • Use the numeric keys to enter the desired number .
Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 117 6.5 Changing Date and T ime Appearance In addition to setting the correct date and time, you can also change its presentation to suit local preference s.
Chapter 6. Programming Met er Settings 118 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.5 Changing Date and T i me Appearance (cont .) 2. The first series of prompts asks y o u to select separator symbols for the date, time and decimal.
Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 119 6.5 Changing Date and T ime Appearance ( cont .) A line at the bottom, the Date/T ime, Decimal Formats , displays how the format and separator selections will appear on the screen.
Chapter 6. Programming Met er Settings 120 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.6 Adjusting the Contrast For more comfortable viewing in a particular environment, the PT878 enables you to adjust the screen cont rast. T o adjust the screen contrast: 1.
Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 121 6.6 Adjusting the Contrast (cont .) • T o confirm the entries and return to Operate Mode, press [F3] (OK). The PT878 returns to Op erate Mode.
Chapter 6. Programming Met er Settings 122 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.8 Changing the Display Language IMPORT ANT: T o use this option, you must have pr eviously loaded a language translation file into the PT878.
Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 123 6.8 Changing the Disp lay Language (cont .) The meter restarts in Operate Mode in the desired language. Figure 8 2 below illustrates a French version of the display shown in Figure 58 on page 92.
Chapter 6. Programming Met er Settings 124 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.9 Changing Communications Settings (cont .) 1. From the Meter menu, scroll to th e Communications entry and press [ENTER] . The Communications window appears similar to Figure 83 below .
Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 125 6.9 Changing Communications Settings (cont .) Note: For mor e information on loadin g softwar e update s via IrDA, see Chapter 8, Servicing the PT878 , page 195.
Chapter 6. Programming Met er Settings 126 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.10 Resetting Forward and Re verse Totals On occasion, it might be necessary to clear and reset the forward and reverse totals computed by the Forwa rd and Reverse T otalizers.
Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 127 6.11 Setting Up User Tabl es When you program user functions (see page 61), you can also support them with up to six user tables of no n-linear or empirical data.
Chapter 6. Programming Met er Settings 128 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.11 Setting up User Tables (cont .) 3. The next step is to create a T able ID. a. Press [ENTER] to open the window . The screen now appears similar to Figure 86 below .
Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 129 6.11 Setting up User Tables (cont .) 4. The final prompt asks you to enter or change data in the user table. a. Press [ENTER] to open the window .
Chapter 6. Programming Met er Settings 130 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.11 Setting up User Tables (cont .) The program returns to the Edit T ables window . • T o confirm the entries and return to Operate Mode, press [F3] (OK).
Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 131 Chapter 7. Logging Data A powerful and flexible feature of th e PT878 is data lo gging. The meter enables you to choos e up to 12 parame ters to log. Y ou ca n also select the start time and date , end time and date, and time interval.
Chapter 7. Logging Data 132 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.1 Entering the Logging Menu T o enter the Logging Menu, press the [M ENU] key at the lower right of the PT878 keypad. The Main Menu replaces the Status Bar at the top of the screen.
Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 133 7.2 The Log Manager The Log Manager of fers users a way to check the status and memory size of all the logs currently pend ing, running or finish ed. T o select Log Manag er , scroll to the Manager entry on the Logging Menu and press [ENTER] .
Chapter 7. Logging Data 134 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.3 The File Menu The File menu allows you, not only to create new logs, but also to copy , rename or delete logs, as well as to prin t them or trans f er them to a PC.
Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 135 7.3.1 Setting up a New Log The New Log opti on enables you to crea te and set up parameters for a new log.
Chapter 7. Logging Data 136 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.3.1 Setting up a New Log (cont .) Figur e 92: General Log Format Window T o step through each parameter , press the [ T ] key . 1. The first prompt asks you to choose be tw ee n a linear or circ ul ar form at for the log.
Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 137 7.3.1 Setting up a New Log (cont .) 3. The next prompt ask s for the starting date and time. a. Press [ENTER] to enter the text box. The meter highlights the first number .
Chapter 7. Logging Data 138 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.3.1 Setting up a New Log (cont .) Figure 93: Log Measur ements W indow T o step through each entry , pres s the [ T ] key . 1. Press [ENTER] to open the first entry .
Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 139 7.3.1 Setting up a New Log (cont .) Figure 94: Select Measurement Window 2. Scroll to the desired output type. 3. Press [SEL] to confirm your selection. 4.
Chapter 7. Logging Data 140 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.3.2 Copying (Cloning) a Selected Log In the Clone Selected Log option, you can copy the parameters of a particular log, modify the p aram eters , and start the copy .
Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 141 7.3.3 Renaming a Log T o rename a log: 1. First, select the log you wish to re name in the Log Manager (shown in Figure 89 on page 133)). 2. Then open the File Menu, scroll to the Rename option, and press [ENTER] .
Chapter 7. Logging Data 142 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.3.4 Deleting a Log (cont .) Figure 95: Delete Conf irmation W indow 7.3.5 Deleting All Logs T o clear the Log Manager and memory of all logs, open the File menu, scroll to the Delete All Logs option, and press [ENTER] .
Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 143 7.3.7 Printing a Log T o print a file from the Log Manager: 1. Highlight the desired log in the windo w on the left of the Log Manager . 2. Press [MENU] , scroll to the Print option, and press [ENTER] .
Chapter 7. Logging Data 144 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.3.7 Printing a Log (cont .) The PT878 shows a message indicating th at its infrared sensor is looking for a printer . (If the sensor spots no pr inter , a window appears with this message.
Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 145 7.4 The Log Menu The Log Menu allows y ou to pause, rest art or end any or all logs that are currently pending or ru nning. (However , you cannot restart any finished logs, even if they were finished befo re the programmed end time.
Chapter 7. Logging Data 146 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.4.1 Stopping (Pausing) a Log T o stop a log that is curre ntly pending or running, 1. First, select the log you wish to pause in the Log Manager (shown in Figure 89 on page 133).
Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 147 7.4.4 Stopping All Logs T o stop al l log that are currently pend ing or running, open the Log Menu, scroll to the Pause All Logs option, and press [ENTER] .
Chapter 7. Logging Data 148 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.5 The View Menu Through the V iew menu, you ca n view the data of individual logs in graphical or spreadsheet formats. T o open the V iew menu from the Log Manager , press [MENU] .
Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 149 7.5.1 Displaying Log Details T o view details of a given log, be su re the log is highlighted in the left window of the Log Manager . Then scroll to the V iew menu and press [ENTER] .
Chapter 7. Logging Data 150 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.5.2 Displaying Log Data in Graphical Form T o view a log in graphical form, be su re the log i s highlighted in the left window of the Log Manager . Then scroll to the V iew menu and press [ENTER] .
Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 151 7.5.2 Displaying Log Data in Graphical Form (cont .) Figure 101: Y-Axis Window The Y -Axis window (show.
Chapter 7. Logging Data 152 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.5.2 Displaying Log Data in Graphical Form (cont .) If you wish to alter the time scale, press [F2] (T ime). The Enter T ime window appears similar to Figure 102 below .
Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 153 7.5.3 Displaying Log Data in Spreadsheet Fo rm T o view a log in spreadsheet form, be su re the l og is highlighted in the left window of the Log Manager .
Chapter 7. Logging Data 154 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.6 The Sort Menu The Sort Menu wi thin the Log Manager allows you to arrange your log list either alphabetically (By Name) or chronologically (By Date). Figure 104: Sort Menu in the Log Manager 7.
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 155 Chapter 8. Servicing the PT878 For user convenience, the PT878 offers a Service Menu.
Chapter 8. Ser vicing the PT878 156 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.1 Entering the Ser vice Menu T o enter the Service Menu, press the [MENU] key at the lower right of the PT878 keypad. The Menu Bar replaces the Status Bar at the top of the screen.
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 157 8.2 Printing Report s When used with an IR-compatible prin ter , the PT878 can print out a variety of data (current site, logs, drive co ntents, and user functions, tables, and settings) in the Reports option.
Chapter 8. Ser vicing the PT878 158 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.2 Printing Reports (cont .) Figure 107: Printout of a Typical Driv e Report.
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 159 8.3 Setting up the Thickness Gauge For greatest accuracy in flow applic ations, the PT878 can measure pipe wall thickness using an optional thickness ga uge transducer , instead of relying on the nominal pipe wall thickness.
Chapter 8. Ser vicing the PT878 160 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.4 Measuring Pipe Wall Thickness 8.4.1 Entering the Mat erial and Soundspeed IMPORT ANT: The factory r ecommends calibrating the thicknes s gauge periodically (as discussed on page 165) before measuring thickness.
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 161 8.4.1 Entering the Mat erial and Soundspeed (cont .) If you have selected a preprogram med material, you have completed entering data in this window .
Chapter 8. Ser vicing the PT878 162 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.4.2 Measuring Thickness in Numeric Format T o measure the actual thickness of a pipe, hold the calibrated transducer steady , press the [ W ] or [ X ] arrow key until you reac h the Display tab and press [ENTER] .
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 163 8.4.3 Displaying the Receive Signal in Graphical Format Used chiefly for diagnostic purposes , the Graph opt ion helps to determine why the thickness ga uge is not working if you suspect a problem.
Chapter 8. Ser vicing the PT878 164 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.4.3 Displaying the Receive Signal in Graphical Format (cont .) Figure 111: Graph Window in Zoom F ormat • Press [F1] (In) to zoom in to magnify screen details.
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 165 8.4.4 Calibrating the Thickness Gauge T ransducer T o zero the transducer of fsets, go to the Zero tab. Press the [ W ] or [ X ] arrow key until you reach the Zero tab and press [ENTER] .
Chapter 8. Ser vicing the PT878 166 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Dual-Point Calibration (cont.) 1. Press the [ T ] arrow key to enter the window . 2. The first prompt asks you to choo se between single and dual-point calibration.
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 167 Dual-Point Calibration (cont.) IMPORT ANT: Be sur e to hold the transd ucer steady until the GE wait cursor disappears.
Chapter 8. Ser vicing the PT878 168 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.4.5 Calculating Velocity (Pipe Material Soundspeed) The nominal soundspeed for your pipe material will give thickness measurements of reasonable accuracy .
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 169 8.4.5 Calculating Velocity (Pipe Material Soundspeed) (cont .
Chapter 8. Ser vicing the PT878 170 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.4.5 Calculating Velocity (Pipe Material Soundspeed) (cont .) 7. The “Calculated” box shows the th ickness value measured. The PT878 asks for confirmation of the calcu lated and current values.
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 171 8.5 Programming the Thickness Gauge (cont .) Figure 115: Thickness Ga uge Programming Window 1. Press the [ T ] arrow key to enter the window . 2.
Chapter 8. Ser vicing the PT878 172 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.5 Programming the Thickness Gauge (cont .) 4.
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 173 8.6 Displaying Diagnostic Parameters The Diagno stics option enables you to view current diagnostic parameters without having to o pen a display window in Operate M ode.
Chapter 8. Ser vicing the PT878 174 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.7 Calibrating the Analog Output and Inputs The Calibration option allows you to calib rate the analog output and in puts. T o enter the opti on, scro ll to the Calibrate entry on the Service Menu and press [ENTER] .
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 175 8.7.1 Calibrating the Analog Output (cont .) 1. Connect the digital multimeter to the analog output. 2. The next prompt ask s for the setpoint (4 or 20 mA).
Chapter 8. Ser vicing the PT878 176 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.7.2 Calibrating Inputs T o op en the Inputs window , press the [ X ] arrow key and press [ENTER] . The screen appears similar to Figure 1 18 below .
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 177 8.7.2 Calibrating Inputs (cont .) 4. Press the [ X ] arrow key to move to the Read box, and then press [ENTER] to read the low input. 5. The next prompt ask s for the value to which you want to set the high input (20 mA).
Chapter 8. Ser vicing the PT878 178 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.8 Setting up Signal Parameters The Signal Setup option enables you to set parameters th at aff.
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 179 8.8.1 Setting up Signal Parameters 1. Press the [ T ] arrow key to enter the window . 2. The first prompt asks for the Delta-T of fs et. Delta-T is the difference between the upstream and downstream transit time of the transduce rs.
Chapter 8. Ser vicing the PT878 180 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.8.1 Setting up Signal Parameters (cont .) 5. The next prompt asks for velocity aver ag ing.
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 181 8.8.2 Setting up Peak Detection The PT878 can use two different meth ods to identify the peak of the received signal. In the “Peak” method , the peak is iden tified by testing a derivative of the signal.
Chapter 8. Ser vicing the PT878 182 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.8.2 Setting up Peak Detection (cont .) 1. The first prompt asks for the pe ak detection method. Use the [ W ] and [ X ] arrow keys to mo ve to the appropriate radio button and press [ENTER] .
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 183 8.8.3 Selecting the Transmit Code The Pulse/Code tab allows users to se lect the transmit code used by the PT878 to make measurements. The defa ult option, “Auto,” directs the meter to select the optimal code, based on the pipe size.
Chapter 8. Ser vicing the PT878 184 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.9 Setting Error Limits The Error Limits option enables you to set limits for an incoming signal. When the signal falls outside the prog rammed limits, an error indication appears.
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 185 8.9 Setting Error Limits (cont .) d. Press the [ X ] arrow key to move to the maximum signal box, and repeat steps a, b and c. e. Press the [ W ] arrow key to return to the minimum signal box, and the [ T ] key to move to the next limit.
Chapter 8. Ser vicing the PT878 186 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.9.0 Setting Error Limits (cont .) Note: In the velocity and acceleratio n boxes, if the PT878 curr ently displays metric measur ements, th e F1 softkey displays the wor d “English.
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 187 8.10 The T est Option W ithin the Service Menu, th e T est option includes seven tests to ensure that the PT878 is performing properly: T est Screen, T est Keys, W atchdog T est, Impulse Response, W ave Sna ps hot, Simu late and Battery T e st.
Chapter 8. Ser vicing the PT878 188 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.10.1 T esting the Screen T o test the proper functioning of the PT878 screen, scroll to the T est Screen option in the T est Menu and press [ENTER] .
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 189 8.10.2 T esting the Keys The T est Keys option checks the functioning of the v arious keys on the keypad. T o start the test, sc roll to the T est Keys option on the T est Menu and press [ENTER] .
Chapter 8. Ser vicing the PT878 190 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.10.3 T esting the Wat chdog T imer C ircuit The PT878 includes a watchdog timer ci rcuit. If a software error causes the meter to stop respondin g, this circu it automatically resets the meter .
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 191 8.10.4 Setting Impulse Response The Impulse Response o ption enables you to force the meter to transmit in one direction only , without changi ng the AGC setting.
Chapter 8. Ser vicing the PT878 192 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.10.4 Setting Impulse Response (cont .) 2. The second prompt asks for the percent of gain. a. Press [ENTER] to open the text box. b. Use the numeric keys to en ter the desired percentage.
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 193 8.10.7 T esting the Batt ery The Battery T e st option provides add itional battery information for service troubleshooting. T o enter the option, sc rol l down to the Battery T est entry in the Service Menu and press [ENTER] .
Chapter 8. Ser vicing the PT878 194 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.11 Resetting to Factory Default Parameters For various reasons, you might wish to return the PT878 to its original settings. The Factory Defau lts option enables you to return the meter to its preprogrammed default settings.
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 195 8.12 Updating PT878 Software By using a W indows-based PC with an infrared adapter , PT878 users can update the meter ’ s operating software without the need to change the hardware.
Chapter 8. Ser vicing the PT878 196 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.12.1 Updating Software Via IrOBEX T o begin updating software via IrOBEX, scroll do wn to the Flash Update entry in the Service Menu and press [EN TER] .
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 197 8.12.1 Updating Software Via IrOBEX (cont . ) 5.
Chapter 8. Ser vicing the PT878 198 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.12.2a Setting up the P C Note: The use of Hyperterminal is shown her e as an example. If you ar e using a differ ent communications softwar e, see its manual for detailed instructions.
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 199 8.12.2b Installing New S of twa re T o begin the loading procedure, scroll do wn to the Flash Update entry in the Service Menu and press [ENTER] .
Chapter 8. Ser vicing the PT878 200 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.12.2b Installing New So ftware (cont .) 2. The meter asks for confirmation. Re peat the options shown in S tep 1 above. The screen on both the PC an d the PT878 now appears similar to Figure 134 below .
Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 201 8.12.2b Installing New So ftware (cont .) 5. In the Hyperterminal windo w , pull down the T ransfer menu and cli ck Send File . A window opens similar to Figure 135 below .
Chapter 8. Ser vicing the PT878 202 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual [no content intended for this page - pr oceed t o next pag e].
Chapter 9. Diagnostics and Tr oubleshooting Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 203 Chapter 9. Diagnostics and Tr oubleshootin g The T ransPort is a reliable instrument that is easy to maintain. It will provide accurate flow measurement read ings as long as it is operated as described in this manual.
Chapte r 9. Diagnostics an d Troubleshooting 204 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 9.1 Error Code Messages Error Code messages appear on the screen while you are displaying measurements. When logs appear in graph form, errors are indicated by a vertical gray bar at the point of erro r .
Chapter 9. Diagnostics and Tr oubleshooting Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 205 E3 Vel oci ty Ran ge - Velocity exceeds programmed l imits (Velocity limit is programmed usi ng the Service Me nu Error Limits option as describe d in Chapter 8.
Chapte r 9. Diagnostics an d Troubleshooting 206 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 9.2 Displaying Diagnostic Parameters As part of its measurement menu, th e PT878 offers a list of diagnostic parameters to aid in troubleshooting in the event of flowcell, transducer , or electrical problems.
Chapter 9. Diagnostics and Tr oubleshooting Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 207 Xmit Corr Up Displays raw upstream signal correlated with transmit signal. N/A N/A Xmit Corr Dn Displays raw downstr eam signal corr elated with transmit signal.
Chapte r 9. Diagnostics an d Troubleshooting 208 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 9.3 Flowcell Problems Flowcell problems fall into two categ ories: fluid problems and pipe problems. Read the following sections carefully to determine if such problems exist.
Chapter 9. Diagnostics and Tr oubleshooting Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 209 9.3.2 Pipe Problems Improper pipe conditions and/or flow cell installation can cause problems with fluid flow measurement. Check the items below if you suspect this class of problem.
Chapte r 9. Diagnostics an d Troubleshooting 210 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 9.4 Transducer Problems Ultrasonic transducers are rugged. However , the y are subject to physical damage due to mishandling and chemic al attack.
Chapter 9. Diagnostics and Tr oubleshooting Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 211 9.4.1 Wetted Transducer Pr oblems (cont .) 4. PHYSICAL DAMAGE T ra nsducers may be physically damaged by dropping them o nto a hard surface or striking them against anothe r object.
Chapte r 9. Diagnostics an d Troubleshooting 212 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 9.4.2 Clamp-on T ransducer Problems (cont .) 4. PHYSICAL DAMAGE T r a nsducers may be physically damaged by being dropped onto a hard surface or being struck against anot her object.
Chapter 10. Specif ications Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 213 Chapter 10. Specif ications This section contains specifications for the following: • Overall • Electrical • T ra nsducer • Fluid T ypes • Pipe Size and Materials • A vailable Options 10.
Chapter 10. Speci f ications 214 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Note: Accuracy depends on pipe size and whethe r measur ement is one-path or two-path. Accuracy to ±0.5% of r eading may be achievable with pr ocess calibration.
Chapter 10. Specif ications Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 215 Environmental Operating T emperatu re: –20 to 5 5°C (–4 to 131° F) Storage T emperatu re: –40 to 7 0°C (–40 to 158° F) Note: T o ensur e maximum battery life storag e, do not exceed 35 °C (95° F) for long periods.
Chapter 10. Speci f ications 216 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 10.3 Operational Specif ications Site Parameter Menu-driven operator interface usin g a keypad and Programming: “soft” function keys. On-line help functio ns including pipe tables.
Chapter 10. Specif ications Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 217 10.4 Transducer 10.4.1 Clamp-On Ultrasonic Flow T ransducers T emperature Range: Standard : –40° t.
Chapter 10. Speci f ications 218 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 10.6 Available Options Thickness Measuring Mode Standard GE Sensing & Inspectio n T echnologies T ra nsducer: dual e lement transducer Pipe Thickness Range: 1.
Appendix A . Menu Maps Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 219 Appendix A . Menu Maps Figure 137: Main Menu • Site Menu - Figure 138 on page 221.
Append ix A . Menu Ma ps 220 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual [no content intended for this page - pr oceed t o next pag e].
Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 221 Appendix A . Menu M aps Figure 138: Site Menu Menu Site Clear F1 Clear F2 Clear F3 File Drive Manager Menu Item Manager Save 1 View 2 Views 3 Views 4 Views Note: Press [F2] (Cancel) to canc el the entries and return to Menu.
Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 222 Appendix A . Menu M aps Figure 139: Pr ogram Menu with Pipe Option Menu Program Input Analog Output Digital Output User Functions.
Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 223 Appendix A . Menu M aps Figure 140: Meter Menu Units Battery Date/Time Condition English Metric Date Time Locale Meter Menu Backl.
Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 224 Appendix A . Menu M aps Figure 141: Logging Menu Logging Menu Log Manager Log File New Clone Log Rename Delete Dele te All Print .
Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 225 Appendix A . Menu M aps Figure 142: Service Menu Service Menu Reports T-Gauge Display T-Gauge Setup Diagnostics Signal Setup Erro.
Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 226 Appendix A . Menu M aps.
Appendix A . Menu Maps Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 227 Figure 143: T ransducer Option Menu Program Transducer Wetted Clamp-on (Preprogrammed Units) Special Frequ.
Append ix A . Menu Ma ps 228 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Figure 144: Lining Option Menu Program Lining Material Sound Speed None T a r E p o x y Glass (Pyrex) Asbestos Cement Mortar Rubber Teflon O th e r Thickn ess Note: Press [ F2] (Cancel) to cancel the entries and return to Menu.
Appendix A . Menu Maps Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 229 Figure 145: Fluid Option Menu Program Fluid Tracking Wind ows No Yes Other Sound Speed Oil Water 25 260 Se.
Append ix A . Menu Ma ps 230 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Figure 146: Path Option Menu Program Path (Wetted) (Clamp-on) Path Length Axial Lengt h Traverses Spacing Note: Press [F2 ] (Can ce l) to can c el the e ntrie s a nd re tu rn to M enu.
Appendix A . Menu Maps Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 231 Figure 147: Energy Option Program Energy Menu Fixed A ctiv e Supply A B Temperature Fixed A cti ve A B Tem.
Append ix A . Menu Ma ps 232 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Figure 148: Analog Inp ut Option Program Analog Input Menu Input A I nput B Functio n Units Label Zero Span Off Ge neral Purpose Note: Press [F2] (C ancel) to cancel the entries a nd return to Menu.
Appendix A . Menu Maps Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 233 Figure 149: Analog Output Option Program Analog Outpu t Menu Function Off 0-20 mA 4-20 mA Data Source Zero Span On Error Hold Last Val ue Force Low Force Hi gh Note: Press [F2 ] (Can ce l) to can c el the e ntrie s a nd re tu rn to M enu.
Append ix A . Menu Ma ps 234 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Figure 150: Digital Output Option Program Digital Output Menu Function Off Pulse Totalizer Frequency Te.
Appendix A . Menu Maps Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 235 Figure 151: User Functions Option Program User Functions Menu Function User1 User2 User3 User4 User5 User6 User7 User8 Label Units Symbol Decimal Places 0 1 2 34 Equation Note: Press [F2] (Can cel) to cancel the en tries and return to Menu.
Append ix A . Menu Ma ps 236 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Figure 152: Correction F actor s Option Program Correction Factors Menu Reynolds Correction Calibration.
Appendix A . Menu Maps Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 237 Figure 153: Communications Option Meter Menu Communicat ions Node ID Comm Interface IrDA IR 232 Baud Rate 300 600 120 0 2400 4800 9600 19.2K 38.4 K 57.6K 115.
Append ix A . Menu Ma ps 238 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual [no content intended for this page - pr oceed t o next pag e].
Appendix B. Measuring P and L Dimensions Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 239 Appendix B. Measurin g P and L Dimensions If you are using wetted transducers, the PT878 requires you to enter the path length (P) and the axial dimension (L).
Append ix B. Measuring P and L Dimensions 240 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual T o determine P , you need the following: • the pipe inside diameter (ID) • the wa.
Appendix B. Measuring P and L Dimensions Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 241 Use the following formula to determine the P dimension: [ID + 2(WT)]/(cos MA) = 2 (CL- F.
Append ix B. Measuring P and L Dimensions 242 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual [no content intended for this page - pr oceed t o next pag e].
Appendix C. Temperatur e Transmitter Installation Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 243 Appendix C. T emperature T ransmitter Installation The PT878 requires a supply and retu rn temperature input to measure energy rate and consumption.
Appendix C. T emperature Transmitter Installation 244 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual C.2 M ounting RTDs on the Pipe The factory supplies a clamping fixture to mount the R TDs to the pipe; however , you must assemble the clampi ng fixture before you can mount the R TDs to the pipe.
Appendix C. Temperatur e Transmitter Installation Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 245 C.2.2 Mounting the R TD to the Pipe Use the steps below to fast en the R TD to the pipe: 1. Prepare the pipe where you intend to place the R TD.
Appendix C. T emperature Transmitter Installation 246 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual C.3.1 Connecting the R TD to the 4 t o 20-mA Transmitter R TDs should have two common lead s and one signal lead. If you are using a GE R TD, the wire colors may vary; ho wever , two of the R TD wires will be the same color .
Appendix C. Temperatur e Transmitter Installation Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 247 C.3.2 Connecting the Tr ansmitt er to the PT878 If you are using the GE DTR, simply plug the LEMO connector into the I/O connector as shown in Figure 156 below .
Appendix C. T emperature Transmitter Installation 248 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual [no content intended for this page - pr oceed t o next pag e].
Appendix D. Ultrasonic Thickn ess Gauge Theory of Operation Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 249 Appendix D . Ultrasonic Thickness G auge Theory of Operation All ultrasonic thickness ga uging involves timing the round trip of a sound pulse in a test material.
Append ix D. Ultrasonic Thickn ess Gauge Theory of Operation 250 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual D .1 Fact ors Affecting Performance and Accuracy A.
Appendix D. Ultrasonic Thickn ess Gauge Theory of Operation Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 251 D .1.1 Transducer Positioning/Alignment For proper sound coupling the transducer must be pressed firmly against the test surface.
Append ix D. Ultrasonic Thickn ess Gauge Theory of Operation 252 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual D .1.2 Calibration The accuracy of measurements are only as good as the accuracy and care with which the gauge has been calibrate d.
Appendix E. Material Safe ty Data Sheet for Couplant Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 253 Appendix E. Material Safety Data Sheet for Couplant (T o comply with 29 CFR 1910.1200) Effective Date 4/1 /98 Note: N/A = not applica ble or not available E.
Appendix E. Material Sa fety Data Sheet for Couplant 254 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual E.3 Physical Data (nominal) Boiling Point: >220°F Freezing Point: <20°F V apor Pressure: N/A Evaporation Rate: N/A Solubility in W ater: complete Appearance and Odor: wa ter white, opaque gel; bland odor pH: 7.
Appendix E. Material Safe ty Data Sheet for Couplant Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 255 E.6 Health Hazard and First Aid Data Routes of Entry: 1 Skin: not likely Eyes: not normally Ingestion: not normally Inhalation: no 1 SOUNDSAFE ® contains only food grade and cosmetic grade ingredients.
Appendix E. Material Sa fety Data Sheet for Couplant 256 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual E.8 Control Measures Respiratory Protection: not required V ent ilation: no.
Appendix F . Establishing IR Comm unications Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 257 Appendix F . Establishing IR Communications As discussed in Chapter 2, the PT878 includes an infrared transceiver for communication with IR products th at comply with the IrDA protocol.
Append ix F . Esta blishi ng IR Communications 258 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Windows 2000/XP Both W indows 2000 and XP include infrared drivers in their operating systems. From the Control Panel, click on Add New Har dwar e and select the appropriate IR port, whether built- in or using an external dongle.
Appendix G. Glossary Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 259 Appendix G. Glossar y AGC — Automatic gain control, which sets the receive amplifier base d on measured signal strength. This electro nic circuit automatically adjusts the gain of the receive amplifier to ma intain the correct receive signal amplitude.
Appendix G. Gloss ary 260 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Impulse Response — Option in the Service Menu tha t enables you to force the meter to transmit in one direction only , without changing the amplifier gain setting.
Appendix G. Glossary Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 261 Soundspeed — Speed at which a sound wave travels through a given material.
Appendix G. Gloss ary 262 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual T r ansit-T ime — Flow measurement techniq ue based on the principle that when ultrasonic pulses are tra.
Index Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 263 A About Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 Acceleration Limit . . . . . . . . . . . . . . . . .
Index 264 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual C (cont.) Clamp-On Transducers, Path Parameters for . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Clearing Softkey . . . . . . . . . . . . . . . . . . . . . .
Index Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 265 E Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Electronics Description . . . . . . . . . . . . . . .
Index 266 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual G Gate Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 Graph Display . . . . . . . . . . . . . . . .
Index Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 267 Log Copying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 Creating . . . . . . . . . . . . . . . . . . . . . .
Index 268 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual N Node ID for Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124 Noise Threshold . . . . . . . . . . . . . . . . . . . . . . . .
Index Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 269 PT878 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Keypad . . . . . . . . . . . . . . . . . . . . .
Index 270 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual S (cont.) Site Creating a Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Creating a New . . . . . . . . . . . . . . . .
Index Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 271 T Task Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Test Keys . . . . . . . . . . . . . . . . . . .
Index 272 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual T (cont.) Transducers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Axial Dimension . . . . . . . . . . . .
Index Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 273 W Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277 Watchdog Test . . . . . . . . . . . . . . . . .
Index 274 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual [no content intended for this page - pr oceed t o next pag e].
Warranty Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 275 Warr ant y Each instrument manufactured by GE Sensing is warranted to be free from defects in material and workmanshi p.
Warranty 276 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Retu rn Pol icy If a GE Sensing instrument malfunctio ns within the warranty period, the following procedure must be completed: 1. Notify GE Sensing, givin g full deta ils of the problem, and provide the model number and serial nu mber of th e instrument.
CERT-DOC-H5 August 2004) GE Infrastructure Sensing DECL ARA TION OF CONFORMITY TÜV ESSEN ISO 9001 U.S. TÜV We, Panametrics Limited Shannon Industrial Estate Shannon, County Clare Ireland declare u n.
CERT-DOC-H5 August 2004) GE Infrastructure Sensing DECL ARA TION DE CONFORMITE TÜV ESSEN ISO 9001 U.S. TÜV Nous, Paname trics Li mited Shannon Industrial Estate Shannon, County Clare Ireland déclar.
CERT-DOC-H5 August 2004) GE Infrastructure Sensing KONFORMIT Ä TS- ERKLÄRU NG TÜV ESSEN ISO 9001 U.S. TÜV Wir , Panametrics Limited Shannon Industrial Estate Shannon, County Clare Ireland erkläre.
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デバイスGE PT878の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
GE PT878をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはGE PT878の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。GE PT878の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。GE PT878で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
GE PT878を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はGE PT878の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、GE PT878に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちGE PT878デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
