Flow Measurement Gas Flowmeter for Hazardous Areas

Editor: Dr. Jörg Kempf

The ST75 thermal dispersion gas flowmeter from Fluid Components International (FCI) is now Atex and IECEx approved for potentially explosive environments.

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(Picture: FCI)
(Picture: FCI)

Designed for line sizes of 6–50 mm, the ST75 is based on platinum RTD sensors with microprocessor electronics calibrated for a wide range of gases including natural gas, nitrogen, carbon dioxide, argon and compressed air. Temperature compensation ensures accuracy of ±2% of reading with ±0.5% repeatability. The ST75 provides three outputs: mass flowrate, total flow, and gas temperature. The turndown ratio is factory preset within the range 10:1–100:1. The transmitter can be mounted up to 15 m from the sensor.

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