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Flow Measurement

Gas Flowmeter for Hazardous Areas

| Editor: Dr. Jörg Kempf

(Picture: FCI)
(Picture: FCI)

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

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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