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The FM4000 series metal tube level gauges are improved versions of the FM-1000 series level gauges that Tokyo Keiso has been manufacturing for many years.
Liquid level is indicated by rotating flappers in an indicator by the action of a magnet integrated in a float.
Alarm switches and/or analog output (4 to 20 mA DC) transmitters can be additionally provided for on-site checking and remote monitoring and control purposes.
Specifications for PVC or fluorocarbon resin linings are the same as those for the FM-1000 series.
All pressure-resistant parts and wetted parts are made of metal and hence free from breakage or liquid leakage.
Fluorescent color flappers enable easy observation of liquid levels even from a distance. Indicators are free from blurs and smudges that are common with glass gauges.
In addition to on-site indication, an alarm switch and an analog output (4 to 20 mA DC) transmitter can be additionally provided for minimizing the total cost of level control.
Pressure: Max. 40 MPa
Liquid temperature: −196 to +400℃
Measurable liquid density: Min. 0.39 g/cm³
Interface measurement: Density difference 0.2 g/cm³ and density sum 1.2 g/cm³ or higher
(These gauges cannot withstand the combination of maximum values.)
Gauges can be manufactured to meet customers’ specifications such as connection size, measurement range, density, and vent and drain designs. Contact us for details.
Gauges certified for high-pressure gases are available on request (up to 9.9MPa).
Contact us for details. (The actual structure may differ from the drawing.)
High-precision analog output (4 to 20 mA DC) transmitter using the magnetostrictive effect can be additionally provided. Conforms to IECEx, ATEX explosion-proof, and HART7.
Conforms to IECEx and ATEX explosion-proof.
Measuring medium | Liquids without sticking or freezing at 600 mPa・s or below |
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Measuring range |
Max. 4800 mm Min. 250 mm |
Process Temperature | -196 to +400℃ |
Process Pressure | 40 MPa max. |
Process Connection | Flange |
Accuracy | ±15 mm |
FlowMeasurement
LevelMeasurement
Related Instruments
Guidance Download
* Please scan the QR code with your smartphone to access this website page.