Rosemount™ 3051SFA Annubar™ Flow Meter
$400.00
The Rosemount™ 3051SFA Annubar™ Flow Meter is an advanced averaging pitot tube flowmeter designed for accurate flow measurement of gases, steam and liquids. It uses multiple sensing ports to average the flow profile across the pipe, improving accuracy compared to traditional single-point measurements.
This flow meter integrates with the Rosemount 3051S Differential Pressure Transmitter, forming a complete solution for differential pressure flow measurement. In addition, its low permanent pressure loss helps reduce energy consumption in industrial systems.
Typical applications include steam flow, compressed air systems, natural gas pipelines and process industries.
Not Recommended For:
• Very low velocity flows where differential pressure is minimal
• Highly viscous or slurry media with heavy particle buildup
Selection Notes
• Confirm the flow medium, such as gas, steam or clean liquids
• Verify the required pipe size, as Annubar probes are designed for various diameters
• Check the expected flow velocity, ensuring sufficient differential pressure is generated
• Choose suitable installation type, including insertion or flanged mounting
• In addition, confirm compatibility with a differential pressure transmitter such as the 3051 series
Why Choose the Rosemount 3051SFA Annubar
• Averaging Pitot Technology for Higher Accuracy
The Annubar uses multiple pressure sensing points along the probe. Therefore, it provides a more representative measurement of the flow profile.
• Low Permanent Pressure Loss
Unlike traditional orifice plates, the design minimizes pressure drop. As a result, energy efficiency improves across the system.
• Wide Application Flexibility
It works with gases, steam and liquids. In addition, it supports a wide range of pipe sizes and industrial processes.
• Easy Installation with Minimal Intrusion
The insertion design reduces installation complexity. Consequently, downtime during installation is minimized.
• Reliable Performance with Proven DP Technology
When combined with a differential pressure transmitter, it delivers stable and repeatable results. This makes it suitable for critical flow monitoring.
• Durable Industrial Construction
The probe is built from robust materials. Therefore, it performs well in high-temperature and high-pressure environments.
FAQ
Q: What is an Annubar flow meter?
A: It is an averaging pitot tube flow device that measures differential pressure across multiple sensing points to calculate flow rate.
Q: What media can it measure?
A: It is suitable for gases, steam and clean liquids, including compressed air and natural gas.
Q: How does it compare to orifice plates?
A: It offers lower pressure loss and easier installation, while maintaining good accuracy.
Q: Does it require a transmitter?
A: Yes. It is typically used with a differential pressure transmitter, such as the Rosemount 3051 series.
| Warranty | Up to 15-year limited warranty |
|---|---|
| Rangedown | Up to 200:1 (14:1 flow turndown) |
| Measurement Range | Up to 1000 inH2O (2,48 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, process temperature, scaled variable, mass flow, volumetric flow, energy flow |
| Communication Protocol | 4-20 mA HART®, WirelessHART®, FOUNDATION™ Fieldbus |
| Process Wetted Material | 316 SST, Alloy C-276 |
| Diagnostics | Basic Diagnostics, Loop Integrity, Process Intelligence, Plugged Impulse Line |
| Certifications/Approvals | SIL 2/3 certified to IEC 61508 by an independent 3rd party, NACE, hazardous location, see full specs for 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) |
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