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Rosemount™ 2051CFP Wireless Integral Orifice Flow Meter
Featuring a wireless solution with >99% data reliability, the Rosemount 2051CFP Wireless Integral Orifice Flow Meter is an industry-standard flow meter designed with WirelessHART®technology.
This device is customized with a primary element that is provided in a meter run and facilitates highly accurate flow measurement in small line sizes (0.5 - 1.5 in. or 15 - 40 mm). This wireless flow meter is easy to install and offers quick commissioning of measurement points without the cost of wiring.
Rosemount™ 2051CFP Wireless Integral Orifice Flow Meter


�5-year limited warranty
Up to 150:1 (8:1 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
Process Wetted Material
316 SST
Basic Diagnostics
NACE®, hazardous location, see full specs for complete list of certifications
Update Rate
1 sec. to 60 min., user selectable
Power Module Life
Up to 10-year life, field replaceable (order separately)
Wireless Range
Internal antenna (225 m)


  • WirelessHART® technology is secure, cost-effective and delivers >99% data reliability
  • Primary element integrated in a meter run for ease of installation
  • Integral orifice plate suitable for small line sizes 0.5- 1.5 in. (15 - 40 mm) for optimal accuracy and repeatability
  • Complete flow assemblies are leak-tested and calibrated to reduce leak points up to 70% and simplify installation
  • SmartPower™ module provides up to 10-year maintenance-free operation and field replacement without transmitter removal
  • Easy installation enables quick instrumentation of measurement points without the cost of wiring