MA-920

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Flow Measurement
Variable Area Flowmeters
Metal tube Variable Area Flowmeters for small flow

MA-920 is a metal tube variable area flowmeter designed for the measurement of small flow of liquids and gases. MA-920 covers tough applications with high pressure and temperature which are not suitable for glass tube purgemeters. In addition to local indication version, an alarm output option is available.

Catalogs and Brochures

*Specifications are subject to change without prior notice.

Features

  • Covers very low fl ow rates of 0.6 to 3 L/h
  • 2-wire 4 to 20 mA DC output
  • Magnetic fi eld sensor detects the fl oat movement with electronics to eliminate hysteresis.
    High accuracy and repeatability have been achieved.
  • Easy- to- read digital LED display
  • No liquid dampers are needed even for gas measurement applications
  • Ex d IIC T6 fl ameproof construction suitable even for Hydrogen atmosphere

Specifications

Measuring medium Liquids and Gases Viscosity limit for Liquid flow measurement

Meter size 1/2"：Viscosity 2.0 mPa・s (Max)
Meter size 3/4"、1"：Viscosity 5.0 mPa・s (Max)
Nominal diameter 1/4", 3/8", 1/2", 3/4", 1"
10A, 15A, 20A, 25A
Meter size 1/2", 3/4", 1"
Flow range Liquid (Water) *Measuring range is subject to liquid viscosity.
　Min. 0.6 to 3L/h
　Max. 60 to 600L/h

Gas (Air, 0°C, 1atm)
　Min. 10 to 100L/h(nor)
　Max. 2.2 to 22m³/h(nor)
Fluid Presure 2.94MPa Max.
High pressure type : Max.19.6 MPa (Material of high pressure type is SUS 316.)
Allowable pressure is subject to the flange rating when the connection is flange type.
Process connection Rc Thread, JIS 10K FF Flange
(Option) NPT or other screw Other flanges than JIS10KFF
Accuracy 10 L/h or more of F.S. (water) ±2%F.S.
Less than 10 L/h of F.S. (water) ±3%F.S.
100 L/h (nor) or more of F.S. (air) ±2%F.S.

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