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Rosemount Annubar Flow Meter Series
To achieve more accurate measurements, the first step is to choose the best flow technology for various applications. For 35 years, Annubar technology
Product details

The characteristics of the Smont Annubar flowmeter include:

  • Integrated differential pressure flowmeter for the industry
  • Greatly reduce pressure loss to achieve energy-saving goals
  • Real time quality and energy flow measurement with integrated temperature design
  • 485 and 585 models have Flo tap design
  • No need to shut down the system during installation

Rosemount 485 Annubar flowmeter

The appearance of APT is the foundation of traffic measurement performance. The inventor of APT technology designed innovative T-shaped and robust bidirectional Annubar sensors. These acquired primary components are designed for wear resistance, deformation resistance, and blockage resistance, while achieving the highest accuracy and reliability.

Reduce energy costs
Greatly reduce * pressure loss
Annubar sensors can reduce blockages in pipelines, thereby lowering the costs of suction, compression, and fuel.
Reduce process variability
Reduce signal noise
Determine the location of the stagnation zone on the back of the T-shaped Annubar sensor to reduce noise and measurement errors that can cause process changes.
Enhance measurement accuracy at lower flow rates
Higher signal strength
The flat upstream surface of the T-shaped Annubar sensor forms a fixed separation point, providing measurement performance over a wider flow range.
Save installation time and costs
Integrated Thermowell Design
Add temperature measurement function without additional pipeline penetration, extended installation time, or increased installation costs. The thermocouple sleeve is integrated into the 485 Annubar sensor, allowing you to maintain and disassemble the RTD without interrupting the production process.
Reduce measurement errors
Accuracy is+/-0.75% of the flow rate
The front slot design of the sensor can measure an additional 70% of the velocity profile, enhancing sampling capability and improving measurement accuracy.

Rosemount 585 Annubar flowmeter

With 40 years of Annubar design experience, Emerson has designed the 585 Annubar measurement solution, which is strong and reliable enough to withstand the most demanding flow measurement environments.
Reliable performance in harsh applications
Robust sensor structure
The 585 Annubar sensor features a sturdy rod-shaped design, combined with various manufacturing materials, providing the highest strength possible.

Simplified bidirectional measurement
Symmetric sensor design
With the Rosemount 585, you don't need to combine two flow meters to measure bidirectional flow. There are dual direct installation transmitters available for selection, which are easy to install and cost-effective.
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