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MVF Series

Micro Flow Vortex Gas Flowmeter

User's Manual

No. CP-SP-1190E

Thank you for purchasing an MVF Series
flowmeter.

This manual contains information for
ensuring the correct use of the MVF
Series flowmeter. It also provides nec-
essary information for installation,
maintenance, and troubleshooting.

This manual should be read by those
who design and maintain equipment
that uses the MVF Series flowmeter. Be
sure to keep this manual nearby for
handy reference.

TM

Summary of Contents for mF MVF Series

Page 1: ...l contains information for ensuring the correct use of the MVF Series flowmeter It also provides nec essary information for installation maintenance and troubleshooting This manual should be read by t...

Page 2: ...ere human safety may be put at risk RESTRICTIONS ON USE F TM and Micro Flow TM are trademarks of Yamatake Corporation in Japan NOTICE 2005 Yamatake Corporation ALL RIGHTS RESERVED Be sure that the use...

Page 3: ...t warns the user of the danger of electric shock White circles with a diagonal bar notify the user that specific actions are prohibited to prevent possible danger These icons graphically represent the...

Page 4: ...the pipe or might cause physical injury Do not disassemble this device If it is disassembled when pressure remains in the pipes the device could be damaged or someone could be injured by flying parts...

Page 5: ...allow foreign objects to enter the connector port and cause defective operation Do not flush when the device is mounted in the pipe Doing so might cause damage due to entry of foreign matter and caus...

Page 6: ...ble that may occur dur ing operation of this device Chapter 5 SPECIFICATIONS This chapter describes the specifications and external dimensions of this device Conventions Used in This Manual The follow...

Page 7: ...NSTALLATION MOUNTING WIRING Installation 6 Precautions for piping installation 6 Piping work 9 Wiring 11 Chapter 4 TROUBLESHOOTING Nothing on display 15 Error message faulty operation 15 Alarm display...

Page 8: ......

Page 9: ...ck made possible by silicon micro machining and thin film technolo gies By using this high sensitivity high speed sensor to detect vortex frequen cy measurement rangeability of 100 1 has been achieved...

Page 10: ...0 Pipe size 100A 4B 150 Pipe size 150A 6B 0 With temperature pressure compensation function L Without pressure compensation but with temperature compensation S Material SUS304 U JIS ANSI wafer N Air N...

Page 11: ...nnecting an electric wiring conduit and mounting the included waterproof gland Terminal block Used for wiring a power supply to the device for 4 20mAdc output inte grated pulse output and communicatio...

Page 12: ...SP 1183E Communications parameters switch This switch sets the communications parameters for the device For setup details refer to MVF Series Communications Functions CP SP 1183E Loader jack The loade...

Page 13: ...ng so might damage the device When mounting the device firmly fasten to prevent vibration WARNING If this device is used with flammable gases such as natural gas propane or butane mount it on the upst...

Page 14: ...subject to splashing by fluids e g oil chemicals Locations where strong magnetic or electrical fields are generated Handling Precautions Although this device can be installed outdoors if it is instal...

Page 15: ...ent error or faulty operation Note Remove the water using a dryer so that it does not cause dew condensation in the pipe Use a dust eliminating filter of less than 1 m mesh Use an oil eliminating mist...

Page 16: ...tween the pump or roots blower and this device to suppress the influence of pulsation as much as possible If the device is installed downstream of branched piping it may detect reverse flow rate Be su...

Page 17: ...enables proper alignment of the piping and this device Be sure to use the spacers Flow direction Flange Flange Example MVF100 Gasket Gasket spacers Chapter 3 INSTALLATION MOUNTING WIRING WARNING The m...

Page 18: ...the use of a spacer to ensure that the are correctly aligned around the pipe connection unit wafer and that they match up properly with the holes in the pipe flanges Diameter of gasket A gasket is req...

Page 19: ...ports One port has a red cap and the other has a plug Decide whether to use one port or 2 ports depending on the number of cables or desired separation of signal wires 2 Remove the red cap from the wi...

Page 20: ...o 12mm in diamater 6 Connect the wiring to the terminal block 7 Put the terminal cover back in place Procedure for using an electrical wiring conduit The wiring connection port thread is G1 2 1 Select...

Page 21: ...mA or the COM pluse output terminal as a common power supply terminal for external devices Be sure that the pulse output never exceeds the output rating of this device When driving a relay use a relay...

Page 22: ...r shielded cables for the wiring of RS 485 commu nications Be sure to apply terminating resistors 150 1 2W For communications of wiring details refer to MVF Series Communications Functions CP SP 1183E...

Page 23: ...Temperature sensor sensor Alternatively dust moisture or oil from the fluid may have adhered to the sensor Er04 Pressure sensor The cause may be an error or burnout of the pressure compensating sensor...

Page 24: ...mit alarm AL05 Flowrate upper limit alarm Temperature upper limit alarm AL08 Pressure upper limit alarm AL09 Flowrate upper limit alarm Pressure lower limit alarm AL10 Temperature lower limit alarm Pr...

Page 25: ...4Vdc Current consumption 100mA max Output signal 1 point Instantaneous flowrate output 4 to 20mAdc Allowable load resistance 600 max Maximum Current value 23 2mA Integrated pulse Open collector output...

Page 26: ...3kPa We will calculate the following items 1 Minimum measurable flow rate 2 Maximum measurable flow rate 3 Accuracy after temperature and pressure compensation examples for 100 and 150m3 h normal 1 M...

Page 27: ...ssure MPa 0 1013 MPa In this case the pressure measurement accuracy is 1 FS in the 0 to 1MPa range In order to calculate the volumetric flow rate accuracy Re is first calculated from the mass flow rat...

Page 28: ...1 fluid pressure MPa 0 01 0 7 1 4 DR Based on these conditions At 150m3 h normal the accuracy is 3 2 RD Specifying volumetric flow rate accuracy The volumetric flow rate accuracy is specified as follo...

Page 29: ...Q 20 20 Q 516 600 5 2 5 2 Q 9 9 Q 17 17 Q 516 700 5 2 5 2 Q 9 9 Q 15 15 Q 516 800 5 2 5 2 Q 9 9 Q 13 13 Q 516 900 5 2 5 2 Q 9 9 Q 12 12 Q 516 980 5 2 5 2 Q 9 9 Q 11 11 Q 516 Operating Minimum Accuracy...

Page 30: ...3 1 RD 17 1 Q 32 32 Q 74 74 Q 1706 0 80 19 2 Qmin 4 6 RD 3 0 RD 19 2 Q 32 32 Q 74 74 Q 1919 0 90 21 3 Qmin 4 6 RD 3 0 RD 21 3 Q 36 36 Q 74 74 Q 2131 0 98 23 0 Qmin 4 6 RD 3 0 RD 23 0 Q 38 38 Q 74 74 Q...

Page 31: ...2 0 90 72 5 Qmin 4 6 RD 3 0 RD 72 5 Q 121 121 Q 156 156 Q 7246 0 98 78 2 Qmin 4 6 RD 3 0 RD 78 2 Q 130 130 Q 156 156 Q 7825 Operating Minimum mea pressure surable flow rate Accuracy MPa Q min 0 10 31...

Page 32: ...1 28kPa 0 2000 4000 6000 8000 10000 12000 14000 16000 18000 16 0 14 0 12 0 10 0 8 0 6 0 4 0 2 0 0 0 Pressure loss kPa Flow rate m h normal 3 0 2000 4000 6000 8000 10000 12000 14000 14 0 12 0 10 0 8 0...

Page 33: ...25 External dimensions Unit mm MVF050 Pipe size 50A MVF080 Pipe size 80A 117 50 127 61 126 60 367 130 208 59 70 117 50 127 61 96 44 351 130 208 59 70 Chapter 5 SPECIFICATIONS...

Page 34: ...26 MVF100 Pipe size 100A MVF150 Pipe size 150A 117 50 127 61 212 100 428 130 208 59 120 Eyebolt 117 50 127 61 151 71 5 400 130 208 59 80 Chapter 5 SPECIFICATIONS...

Page 35: ...MEMO 27...

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Page 37: ...the gasket moved from page 9 Subject changed to Dimensions of gasket 11 to 14 Description of Wiring section completely changed Old pages are 11 to 13 15 16 Old pages are 14 and 15 17 Contact rating c...

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Page 39: ...hange without notice Advanced Automation Company 1 12 2 Kawana Fujisawa Kanagawa 251 8522 Japan URL http www azbil com Printed on recycled paper 07 Printed in Japan 1st Edition Issued in Sep 2005 W 3r...

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