Rosemount 3051CFA Annubar Flow Meter

$400.00

The Rosemount 3051CFA Annubar Flow Meter uses averaging Pitot tube technology to measure gas, liquid, and steam flow in industrial pipelines. Its streamlined sensor design helps reduce permanent pressure loss while providing reliable differential pressure-based flow measurement.

Designed for industrial process applications, it offers flexible transmitter and communication options to suit different installation requirements. Factory-assembled configurations can simplify installation, while available diagnostic functions help support routine maintenance and troubleshooting.

🕑 Lead time: 6-8 weeks
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Product Introduction

The Rosemount 3051CFA Annubar Flow Meter from Emerson is designed for differential pressure-based flow measurement in industrial pipelines. Its averaging Pitot tube technology provides representative flow measurement with low permanent pressure loss and a compact sensor design.

Key Features

  • Averaging Pitot Tube: Measures differential pressure to determine flow rate.
  • Low Pressure Loss: Minimizes flow obstruction to help reduce operating energy consumption.
  • Flexible Configuration: Supports different transmitter and communication options depending on the selected model.
  • Simplified Installation: Factory-assembled options can reduce installation work and potential leak points.
  • Diagnostic Functions: Selected configurations help identify plugged impulse lines and electrical loop issues.

Applications

  • Oil and Gas: Process gas and liquid flow monitoring.
  • Chemical Processing: Flow measurement in process pipelines and transfer systems.
  • Power Generation: Suitable steam and utility flow measurement.
  • Industrial Utilities: Compressed air, fuel gas, and other utility flow monitoring.
  • Process Automation: Flow monitoring for control systems and consumption management.

Technical Highlights and Selection Considerations

The 3051CFA combines a streamlined sensor design with differential pressure measurement to support efficient flow monitoring. Depending on configuration, options may include wireless communication, Bluetooth® connectivity, local display, and flow diagnostics.

When selecting a model, confirm the pipe size, fluid type, operating pressure and temperature, flow range, installation conditions, and required communication protocol to ensure compatibility with your application.

Frequently Asked Questions

Q1: What does the Rosemount 3051CFA measure?

It measures flow using differential pressure and averaging Pitot tube technology. Suitable applications include gas, liquid, and steam flow measurement, subject to the selected configuration.

Q2: What is the main advantage of Annubar technology?

Its streamlined sensor helps reduce permanent pressure loss compared with more obstructive flow measurement arrangements.

Q3: Can the 3051CFA measure steam flow?

It can be used for suitable steam flow applications when the selected assembly and transmitter are properly configured for the process conditions.

Q4: Does the 3051CFA support wireless communication?

WirelessHART® and Bluetooth® features are available on applicable configurations. Confirm availability for the specific model.

Q5: What information is needed to select the correct model?

Provide the pipe size, process medium, operating conditions, flow range, connection requirements, and preferred output or communication protocol.

Averaging Pitot Performance & Pipe Sizes

Line Size Range 2 to 96 in. (50 to 2,440 mm) wide pipe range
Differential Pressure Range Up to 1,000 inH2O (2.48 bar) differential pressure
Rangedown / Turndown Up to 150:1 differential pressure rangedown (8:1 flow turndown)
Warranty Up to 5-year limited manufacturer warranty
Diagnostics Suite Basic Diagnostics, Process Alerts, Loop Integrity Diagnostics, and Plugged Impulse Line (PIL) detection

Materials, Protocols & Wireless Capabilities

Process Wetted Materials Corrosion-resistant 316L Stainless Steel or Alloy C-276 sensor probe
Communication Protocols 4-20 mA HART®, WirelessHART®, FOUNDATION™ Fieldbus, PROFIBUS® PA, 1-5 V Low Power HART®
Wireless Specifications Update rate: 1 sec to 60 min (user selectable); Power Module: up to 10-year life (field replaceable); Internal antenna range: 225 m (750 ft)
Safety Compliance SIL 2/3 certified to IEC 61508 by an independent 3rd party accreditation
Sour Gas Compliance NACE® MR0175 / ISO 15156 materials compliance