Emerson Rosemount™ 3051SFA Wireless Annubar™ Flow Meter

Product Benefits

  • WirelessHART® technology is secure, cost-effective and delivers >99% data reliability.
  • Ultra for flow performance class enables an optimised flow measurement with a ±0.04%.
  • All-welded, resilient SuperModule™ sensor offers best-in-class accuracy in harsh environments and applications.
  • Flowmeters come fully configured, leak-tested and ready to install right out of the box for fast installation.
  • Sensor stagnation zone positioned to reduce noise, and measurement inaccuracies and keeps particulates from clogging.
  • The T-Shape sensor design offers very low permanent pressure loss.
  • SmartPower™ module provides up to 10-year maintenance-free operation and field replacement without transmitter removal.
  • The easy installation enables quick instrumentation of measurement points without the cost of wiring.

Technical Data

  • Warranty: Up to 15-year limited warranty
  • Rangedown: Up to 200:1 (14:1 flow turndown)
  • Measurement Range: Up to 2000 psi (137,89 bar) differential, Up to 3626 psia (250,00 bar) absolute, Up to 3626 PSIG (250,00 bar) gage
  • Line Size: 2 to 96 in. (50 to 2440 mm)
  • Output: Differential pressure, static pressure, scaled variable
  • Communication Protocol: WirelessHART®
  • Process Wetted Material: 316 SST, Alloy C-276
  • Diagnostics: Basic Diagnostics, Loop Integrity, Process Intelligence, Plugged Impulse Line
  • Certifications/Approvals: NACE, hazardous location, see full specs for a 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: Long range (225 m), extended-range (800 m), remote (225 m) and high-gain remote (1 km)


  • Gas/Steam Measurements with Low DP requirements.

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