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Rosemount™ 2051CFP Integral Orifice Flow Meter
The Rosemount 2051CFC Integral Orifice Plate Flow Meter offers dependable flow measurements.
This flow meter is engineered with an integral orifice primary element, which is provided in a meter run and facilitates accurate flow measurement in small line sizes (0.5 - 1.5 in. or 15 - 40 mm). This safety-certified transmitter also features a local operator interface (LOI) for easy field commissioning.
Rosemount™ 2051CFP Integral Orifice Flow Meter


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 1.5 in. (15 to 40 mm)
Differentiual 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 integrated in a meter run for ease of installation
  • Orifice plate suitable for small line sizes 0.5- 1.5 in. (15 - 40 mm) for flow measurement accuracy and repeatability
  • 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