Flowmeters for Steam Measurement

Racine Vortex released its RNS Series (Insertion) and RWS Series (Wafer) Vortex Steam Flow Meters to measure noncondensing steam and saturated process steam at pressures up to 150 psi for applications such as boiler monitoring. Both meters have no moving parts and are loop-powered devices with standard HART communication for ease of field programming and system integration. Both meters also work in operating temperatures of – 20F to 366F.

An internal RTD and optional external pressure sensor provide data to the internal flow meter software, which compensates for changes in temperature and pressure to achieve an accurate flow measurement. Accuracy of both meters is ±1% of reading, with repeatability of 0.5%. The RNS and RWS meters are precalibrated for specific uses and can be rescaled in the field with the use of the provided PC-based software program. (

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