FCI wet gas MASSter sensor for the ST80 Series flowmeters

Wednesday, 20 November, 2019 | Supplied by: AMS Instrumentation & Calibration Pty Ltd


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Fluid Components International (FCI) has announced an optional wet gas MASSter sensor for the ST80 Series flowmeters. The sensor is said to deliver accurate, repeatable gas flow measurement in the presence of moisture and condensation droplets. Available with the FCI Model ST80, the WG sensor can be applied for use in entrained moisture and rain-shielding applications.

The sensor configuration features a mechanical design that shunts moisture, condensation and water droplets away from the thermal flow sensor, thus maintaining an accurate gas flow measurement while minimising errors that could occur from a cooling effect on the sensor that might cause a spike or false high reading. The MASSter sensor option can be used in applications that have either moisture entrained in the gas (annular mist) or for protection against down the pipe rain in larger, vertical stacks.

The measuring principle of thermal mass flow meters involves heat transfer caused by gas flow. Any moisture or condensate in the gas stream that contacts the heated sensor can cause a sudden, momentary change in the heat transfer that can result in a spiked or fluctuating reading, which creates inaccurate or unstable flow measurement.

This solution to wet gas measurement featuring the MASSter sensor option for the ST80 Series flowmeter means that safety approvals remain in place because this is a mechanical solution, and there is no increase in energy consumption to power the instrument, and no impact on sensor service life.

Online: www.ams-ic.com.au
Phone: 03 9017 8225
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