EMERSON
Measurement Instrumentation
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Rosemount™ 3051SFA Annubar™ Flow Meter

The Rosemount 3051SFA Annubar Flow Meter offers high accuracy with a proprietary T-shaped pitot tube, minimizing pressure loss to save energy.

The Rosemount 3051SFA Annubar Flow Meter is a no-equal solution with a proprietary, averaging pitot tube that delivers superior measurement accuracy over a wide flow range. Its proprietary T-shaped sensor is engineered with an integrated thermowell, capable of obtaining measurements via a single pipe penetration while maintaining a small profile in the pipe to reduce permanent pressure loss and increase energy savings. This flow meter is also engineered with built-in flow calculations for fully compensated mass flow measurements and is offered with multiple communication protocols including WirelessHART®.

Key Features

  • Designed with built-in flow calculations for direct reporting of fully-compensated mass flow
  • Advanced diagnostics provide diagnostic coverage to detect abnormal process conditions and electrical loop issues
  • Callendar-Van Dusen sensor matching improves temperature accuracy enabling best-in-class flow calculations
  • Ultra for Flow performance class enables optimized flow measurement with a ±0.04% of reading accuracy
  • T-shape Annubar design features very low permanent pressure loss
  • Integral thermowell of sensor adds process temperature measurement without additional pipe penetrations
  • All-welded, SuperModule™ design offers industry-leading 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, measurement inaccuracies and keeps particulates from clogging
  • SIL 2/3 certified to IEC 61508 (via 3rd party) and prior-use certificate of FMEDA data for safety installations
  • WirelessHART® technology is secure, cost-effective and delivers >99% data reliability without the cost of wiring
  • SmartPower™ module provides up to 10-year maintenance-free operation and field replacement without transmitter removal