Sierraメーカー730の使用説明書/サービス説明書
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Sierra Series 730 Accu-Mass ™ Mass Flow Meters Instruction Manual Part Number IM-73-AM Revision E 0 5 /0 4 5 Harris Court, Building L Monterey, CA 93940 (831) 373-0200 (800) 866-0200 Fax (831) 373-4402 http://www.sierrainstruments.com Sierra Instruments b.
Customer Notice Sierra Instruments, Inc. is not liable for any damage or personal injury, whatsoever, resulting from the use of Sierra Instruments standard mass flow meters for oxygen gas. You are responsible for determining if this mass flow meter is appropriate for your oxygen application.
Series 730 Instruction Manual IM-73- E 1 Table of Contents Series 730 Mass Flow Meters...........................................................3 Safety Information..........................................................................4 Receipt of Components.
Series 730 Instruction Manual 2 IM-73- E Warnings and Cautions Warning! All wiring procedures must be performed with the power Off. Caution! All flow meter connections and fittings must have the same or higher pres- sure rating as the main pipeline. Caution! Do not connect power to the 4-20 mA terminals.
Series 730 Instruction Manual IM-73- E 3 Series 730 Mass Flow Meters Sierra’s Series 730 Accu-Mass ™ Flow Meters provide outstanding measurement accuracy and fast 200 millisecond response time. The meters monitor the mass flow rate of air and process gases in ranges from 0 to 250 scfm.
Series 730 Instruction Manual 4 IM-73- E Safety Information We use caution and warning statements in this book to draw your at- tention to important information. Warning! Caution! This statement appears with information that is important to protect people and equipment from damage.
Series 730 Instruction Manual IM-73- E 5 Installation Overview When selecting an installation site, make sure that: 1. Line pressure and temperature will not exceed the flow meter rating. Temperature should not vary more than 120°F (50°C) from the calibration temperature.
Series 730 Instruction Manual 6 IM-73- E Flow meter 10 D 5 D One 90° elbow before meter Flow meter 15 D 5 D Two 90° elbows before meter in one plane Flow meter 25 D 10 D Two 90° elbows before meter.
Series 730 Instruction Manual IM-73-D 7 Wiring Connections - NEMA 2 CE Enclosures NEMA 2 enclosures are supplied with a 6 -pin connector for direct connection to the supplied mating connector. The pin designations are given in Figure 3 below. Connect 15 VDC input power (300 mA load, maximum) to pin 1 and power ground to pin 5 .
Series 730 Instruction Manual 8 IM-73- E Output Signal Wiring All flow meters are equipped with either a calibrated 0–5 VDC, 0–10 VDC or 4–20 mA output signal. These linear output signals represent 0 to 100% of the flow meter user full scale. DC Output Wiring The 0-5 VDC or 0-10 VDC output signal can drive a minimum load of 1000 Ohms.
Series 730 Instruction Manual IM-73- E 9 Problem Possible Cause Solution Flow measurement is erratic or fluctuating Very erratic or non-uniform flow Follow installation requirements shown in Figure 2 .
Series 730 Instruction Manual 10 IM-73- E Returning Equipment to Factory Before returning any mass flow meter to the factory, you must com- plete a Sierra Calibration/Repair Data Sheet. You may download the data sheet to your computer by visiting the Sierra website at www.
Series 730 Instruction Manual IM-73- E 11 Product Specifications Operating Specifications Gases Most non-combustible, non-corrosive gases Mass Flow Rates Mass Flow Rate for Air (1) NPT Size Minimum Range Maximum Range 1/4-inch 0–0.035 scfm 0–4.5 scfm 1/2-inch 0–0.
No#. Color Signal 1 Black Sig. Ground 2 White Signal 3 Red DC input P ower 4 N/C 5 N/C 6 Green P ower Ground 7 (Brown or Orange) (Bridge) 730/600 WIRING C ONNECTIONS Blue Hi Rose Connector F emale Mating Connector Solder Side No#. Color Signal 1 Black Sig.
デバイスSierra 730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:
Sierra 730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Sierra 730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。Sierra 730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。Sierra 730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。
Sierra 730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Sierra 730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、Sierra 730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Sierra 730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。