84S Sanitary Vortex Flowmeter

The Foxboro Model 84S is part of a family of intelligent, high performance sanitary vortex flowmeters designed for food and pharmaceutical sanitary liquid service, and CIP systems. They transmit a 4 to 20 mA, digital, and pulse output signal, as applicable, using HART® communication protocol for remote configuration, calibration, and monitoring. An on-board LCD indicator/configurator is also offered for local configuration.


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  • Liquid, gas, or steam applications.
  • Complies with 3-A sanitary standards.
  • Best in class accuracy:

– ±0.5% of reading in liquids

– ±1.0% of reading in gas and steam.

  • Widest rangeability in class.
  • ActiveTuning™ algorithm:

– Real time Reynolds number (RD) low flow correction down to RD of 5000.

– Compensation for piping effects.

– Adaptive filtering and signal conditioning.

– Tunable for specific operating conditions.


Document title Document type Document Date Download
84 Series Intelligent Vortex Flowmeter Datasheet
Data Bulletin 01/11/2006