Sierra Accu-Mass 730 Instruction Manual Download Page 1

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Sierra Series 730 Accu-Mass

™

Mass Flow Meters

Instruction Manual

Part Number IM-73-AM

Revision

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.v. Bolstoen 30A 1046 AV Amsterdam The Netherlands

+31(0)20-6145810 Fax +31(0)20-6145815

Summary of Contents for Accu-Mass 730

Page 1: ...Part Number IM 73 AM Revision E 05 04 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 v Bolstoen 30A 1046 AV...

Page 2: ...publication may be copied or distributed transmitted transcribed stored in a retrieval system or translated into any human or computer language in any form or by any means electronic mechanical manua...

Page 3: ...bstructed Flow Requirements 5 Installation 6 Wiring Connections NEMA 2 Enclosures 7 Wiring Connections NEMA 4 Enclosures 7 Output Signal Wiring 8 Troubleshooting the Flow Meter 8 Returning Equipment t...

Page 4: ...meter repair verify that the line is de pressurized Caution Always remove main power before disassembling any part of the flow meter Caution Printed circuit boards are sensitive to electrostatic disc...

Page 5: ...of a 304 stainless steel probe which is inserted in the gas stream The sensor consists of two sensing ele ments a velocity sensor and a temperature sensor which automati cally corrects for changes in...

Page 6: ...ial Do not return any equipment to the factory without first contacting Sierra Customer Service Technical Assistance If you encounter a problem with the flow meter review the configura tion informatio...

Page 7: ...measured 5 For remote installations verify the supplied cable length is sufficient to connect the flow meter sensor to the remote electronics Do not extend or shorten the supplied cable be tween the...

Page 8: ...umber of diameters of straight pipe required downstream of the flow meter Flow Flow Flow Flow Flow Flow Figure 2 Recommended Pipe Length Requirements for Installation Installation The following instru...

Page 9: ...input power 300 mA load maximum to pin 1 and power ground to pin 5 See Output Sig nal Wiring for signal wiring instructions Figure 3 NEMA 2 CE Enclosure Wiring Connections Warning All wiring procedure...

Page 10: ...s 3 Verify the flow meter is installed with the correct number of up stream and downstream pipe diameters as shown in Figure 2 4 Verify the flow direction indicator is correctly aligned pointing downs...

Page 11: ...flow Correct alignment with the flow indica tor pointing downstream in the direc tion of flow No response to flow from sensor assembly No power Turn on power to the flow meter Flow profile distortion...

Page 12: ...ts com Or contact Customer Service at service sierrainstruments com Email or 800 866 0200 or 831 373 0200 in the US or 31 0 20 6145810 in Europe Return shipments to USA Headquarters Sierra Instruments...

Page 13: ...DC 300 mA Output Signal Linear 0 5 VDC or 0 10 VDC proportional to mass flow rate 1000 Ohms minimum load resistance or linear 4 20 mA proportional to mass flow rate 400 Ohms maximum resistance Perform...

Page 14: ...ite Signal 3 Red DC input Power 4 N C 5 N C 6 Green Power Ground 7 Brown or Orange Bridge Black Connector Female Mating Connector Solder Side No Color Signal 1 Red DC input Power 2 White Signal 3 Blac...