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Rosemount™ 2051 Coplanar™ Pressure Transmitter
The Rosemount 2051 Coplanar Pressure Transmitter is industry-standard for differential and gage measurements.
This safety-certified transmitter features a Local Operator Interface with easy-to-use menus and built-in configuration buttons, allowing you to easily commission the device. Engineered with the patented coplanar technology, this device offers installation flexibility for integrated flow or level solutions. With optional WirelessHART® technology, you can add measurement points fast, even in remote and hard-to reach-locations.​
Rosemount™ 2051 Coplanar™ Pressure Transmitter


Reference Accuracy
Up to 0.05% of span
Up to 5-year limited warranty
Up to 100:1
Communication Protocol
4-20 mA HART®, WirelessHART®, FOUNDATION™ Fieldbus, PROFIBUS®, 1-5 V Low Power HART®
Measurement Range
Up to 2000 psi (137,9 bar) Differential, Up to 2000 psig (137,9 bar) Gage
Process Wetted Material
316L SST, Alloy C-276, Tantalum
Basic Diagnostics
SIL 2/3 certified to IEC 61508 by an independent 3rd party, NSF, NACE®, hazardous location, see full specs for complete list of certifications
Wireless 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)


  • Patented coplanar technology allows direct mounting for flow and level solutions that provide installation flexibility
  • Delivered fully assembled to manifolds, diaphragm seals or primary flow elements for straightforward installation
  • Local Operator Interface offers easy-to-use menus and built-in configuration buttons for streamline commissioning
  • SIL 2/3 certified to IEC 61508 (via 3rd party) and prior-use certificate of FMEDA data for safety installations
  • Several primary elements provide a flow solution that is factory leak-tested and calibrated to simplify installation
  • Wireless Features
    • WirelessHART® technology is secure and cost-effective and delivers >99% data reliability
    • 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