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Rosemount™ 2051CFC Compact Orifice Flow Meter
rosemount 2051cfc orifice plate flowmeter
Easy-to-install and designed to deliver industry-standard performance, the Rosemount 2051CFC Compact Orifice Flow Meter offers dependable flow measurements.
Built with either a compact orifice plate, a patented 4-hole conditioning plate, or averaging pitot tube, this flow meter provides measurements for closed loop control, general purpose monitoring, and custody transfer applications. Available in line sizes up to 12 in. (300 mm), this primary element is designed for gas, liquid and steam service and operates well in harsh process conditions. This device is offered with multiple communication protocols, including WirelessHART®.
Rosemount™ 2051CFC Compact Orifice Flow Meter


Up to 5-year limited warranty
Up to 100:1 (5:1 flow turndown)
Measurement Range
Up to 1000 inH2O (2,48 bar) differential
Line Size
0.5 to 12 in. (15 to 300 mm)
Differential pressure, scaled variable
Communication Protocol
4-20 mA HART®, WirelessHART®, FOUNDATION™ Fieldbus, PROFIBUS®, 1-5 V Low Power HART®
Process Wetted Material
316 SST
Basic Diagnostics
SIL 2/3 certified to IEC 61508 by an independent 3rd party, NACE®, hazardous location, see full specs for complete list of certifications


  • Complete flow assemblies are leak-tested and calibrated to reduce leak points up to 70% and simplify installation
  • Primary element design delivers reliable and accurate flow measurement for gas, liquid and steam service
  • Orifice plate available in 0.5 - 12 in. (15 - 300 mm) line sizes for application flexibility
  • Local operator interface offers easy-to-use menus and built-in configuration buttons for streamlined commissioning
  • SIL 2/3 certified to IEC 61508 (via 3rd party) and prior-use certificate of FMEDA data for safety installations