The Rosemount™ 3051CFA Annubar™ Flow Meter is an advanced differential pressure flow measurement solution designed for accurate measurement of gas, liquid, and steam applications. Featuring the patented Annubar sensor design, it provides reliable flow measurement with reduced permanent pressure loss and simplified installation.

The Rosemount 3051CFA combines an averaging pitot tube sensor with a high-performance Rosemount 3051 pressure transmitter, enabling efficient flow measurement through a single pipe penetration. It supports multiple communication options including HART®, WirelessHART®, FOUNDATION™ Fieldbus, and PROFIBUS® PA for flexible integration into industrial automation systems.

Key Features

• Annubar™ averaging pitot tube flow measurement technology
• Accurate differential pressure-based flow measurement
• Reduced permanent pressure loss compared with traditional flow elements
• Single pipe penetration installation design
• Suitable for pipe sizes from 2 to 96 inches (50–2440 mm)
• Supports gas, liquid, and steam flow measurement
• Communication options include HART®, WirelessHART®, FOUNDATION™ Fieldbus, and PROFIBUS® PA
• Advanced diagnostics including plugged impulse line detection and process alerts
• Available with 316L stainless steel and Alloy C-276 wetted materials
  

Applications

• Oil & Gas flow measurement
• Natural gas monitoring
• Steam flow measurement
• Chemical processing systems
• Power generation utilities
• Refinery process control
• Industrial air and gas measurement
• Water and utility systems

Selection Notes

Before selecting the Rosemount 3051CFA Annubar Flow Meter, consider:

• Measurement medium type (gas, liquid, or steam)
• Pipe size and installation conditions
• Required flow range and accuracy
• Process temperature and pressure conditions
• Communication requirements
• Required material compatibility for corrosive applications

Proper configuration ensures stable flow measurement and improved process efficiency.

FAQ

Q1: What is the Rosemount 3051CFA Annubar Flow Meter used for?
The Rosemount 3051CFA is used for differential pressure-based flow measurement of gases, liquids, and steam in industrial processes.

Q2: What is the advantage of Annubar technology?
Annubar technology uses an averaging sensor design that provides reliable measurement while reducing permanent pressure loss and installation requirements.

Q3: What communication protocols does Rosemount 3051CFA support?
It supports HART®, WirelessHART®, FOUNDATION™ Fieldbus, PROFIBUS® PA, and other output options depending on configuration.