Rosemount 3051SFA Annubar Flow Meter
The Rosemount 3051SFA Annubar Flow Meter is a no-equal solution with a patented, averaging pitot tube that delivers superior measurement accuracy over a wide flow range. Its patented 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®.
Specifications
| 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) |
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
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