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Tokyo Keiso W-500 Mag-Wheel Flowmeter

Made in Japan

Manufacturer: Tokyo Keiso

Model: W-500

The W-500 series is a flowmeter with a wheel for liquids. A magnet is built into the wheel, and the fl ow rate is measured by detecting the number of rotations of the wheel, which is proportional to the fl ow rate.
With various materials and functions, the W-500 series can be used for a wide variety of applications including plant and water treatment facilities.

Features

  • Either a resin or metal flow tube can be selected.
  • Local or separate flow indication without power supply, 4 to 20 mA
    DC output (2-wire), and pulse output can be selected.
  • Flow rate range is from 0.7 to 3.5 m³/h (min.) to 50 to 400 m³/h (max.).
  • Easy reassembling/assembling, cleaning, and maintenance
  • Excellent cost performance

Specifications

Measuring object Liquids without solids (Viscosity: Less than 2 mPa・s)
Flow range Max. 50 to 400 m³/h
Min. 0.7 to 3.5 m³/h
Fluid pressure Max. 0.7 MPa (Test pressure: 1.0 MPa)
Fluid temperature 0 to 80°C (PVC flow tube: 0 to 60 °C)
Process
connection
Flange connection: 15A to 200A JIS10kFF
Rc screw connection: Rc1/2, Rc3/4, Rc1
Function
W-521: 4 to 20 mA DC output (2-wire) type

Power Supply: 24 V DC ± 10 %
Output: 4 to 20 mA DC output (2-wire)
Accuracy: ± 3 % F.S.(15A to 25A)
± 2 % F.S.(40A to 200A)
W-551: (Local flow indication without power supply type)

Accuracy: ± 4 % F.S.
W-552: Separate flow indication without power supply type

Accuracy: ± 4 % F.S.
Cable: Max. 10 m from detector to indicator
W-553: Open collector pulse output type

power supply: 10 to 26 V DC, 23 mA
Output: Open collector pulse output(Unscaled pulse)
Accuracy: ± 3% F.S.(15 A to 25 A)
± 2% F.S.(40 A to 200 A)
Material
Body: SUS304, SUS316, PVC
Wheel: PPS (Magnet molded)
Shaft: Quartz glass
O-ring: O-ring

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