General Introduction
Tokyo Keiso M-900 variable area flowmeter comes with main characters as bel
1.1 Compact design
Small and light design offers easy installation onto panels as well as process pipings.
1.2 High sensitivity
The pivot bearing and light weight pointer enable to follow float movement swiftly.
1.3 Suitable for corrosive and opaque fluids
Anti-corrosive materials such as titanium and MA276 are available to meet your specifications.
1.4 Easy reading of scale and pointer
The long pointer and wide linearized scale plate make your reading easier.
1.5 Supporting devices
Various supporting devices to meet your requirements are available such as flow control needle valve, strainer and constant flow valve
2. Short Specifications
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Model
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AM7000
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Measuring fluid
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Liquids, gases
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Flow range
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Liquids: Water (density 1.0g/cm³, viscosity 1.0mPa·s)
Min. 0 to 2 L/h
Max. 0 to 600 L/h
Gases: Air (0°C, 1atm)
Min. 0 to 60 L/h(nor)
Max. 0 to 17000 L/h(nor)
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Fluid temperature
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Std.: 0 to 149°C
Option: -20 to -1°C (low temperature type)
150 to 200°C (high temperature type)
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Fluid pressure
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Std. up to 10MPa
Opt. up to 20MPa
(Subject to flange rating for flange connection version)
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Material
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Body: SUS304
Tapered tube: SUS304
Float: SUS304
(Options: SUS316, SUS316L, MA276 (equiv. to Hastelloy C), Titanium)
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Process connection
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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)
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Indication accuracy
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±1.5%F.S. as standard. ±1.0%F.S. available on request.
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Additional functions
/Enclosure
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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
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Indication accuracy
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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.)
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Range ability
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10 : 1 (10 : 2 for small ranges)
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