M 900


แบรนด์ : TOKYO KEISO


  • Compact design
    • Small and light design offers easy installation onto panels as well as process pipings.
  • High sensitivity
    • The pivot bearing and light weight pointer enable to follow float movement swiftly.
  • Suitable for corrosive and opaque fluids
    • Anti-corrosive materials such as titanium and MA276 are available to meet your specifications.
  • Easy reading of scale and pointer
    • The long pointer and wide linearized scale plate make your reading easier.
  • Supporting devices
    • Various supporting devices to meet your requirements are available such as flow control needle valve, strainer and constant flow valve


Short Specifications

Measuring fluidLiquids and Gases
Flow rangeLiquids: Water (density 1.0g/cm³, viscosity 1.0mPa·s)
 Max. 0 to 600 L/h
 Min. 0 to 2 L/h

Gases: Air (0°C, 1atm)
 Max. 0 to 17000 L/h(nor)
 Min. 0 to 60 L/h(nor)
Fluid temperature
Std. 0 to 149°C
-20 to -1°C (low temperature type)
150 to 200°C (high temperature type)
Fluid pressureStd. up to 10MPa
Opt. up to 20MPa
(Subject to flange rating for flange connection version)
MaterialBody: SUS304
Tapered tube: SUS304
Float: SUS304
(Options: SUS316, SUS316L, MA276 (equiv. to Hastelloy®C), Titanium)
Process connection
Standard type: 
Rc 3/8 Thread (On request Rc1/4, 1/2 or 10,15,20,25mm flange)
Large flow type: 
Rc 1/2 Thread (On request Rc3/8, 3/4 or 15,20,25mm flange)
Additional functions/
M-90□: Local indication / IP54 equivalent
M-91□: Local indication + Pneumatic transmission / IP54 equivalent
M-95□: Local indication + Alarm output with reed switch / IP54 equivalent
IS-M-95□: Local indication + Alarm output with reed switch / Intrinsically safe
M-96□: Local indication + Alarm output with photo electric switch / IP54 equivalent
Indication accuracy
Standard type: 
±3%F.S.(High accuracy type ±2%F.S.)
Small flow type: 
±5%F.S. for measurement less than 10L/h or 300L/h(nor) for gas measurement
(High accuracy type±3%F.S.)
Range ability10 : 1 (10 : 2 for small ranges)


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