Rosemount 2051 Pressure Transmitter – Emerson
Rosemount 2051 Differential Pressure Flow Transmitter
Designed to provide industry-standard performance, the Rosemount 2051 Differential Pressure Flow Transmitter offers dependable differential pressure (DP) flow measurements. For easy installation, this DP flow transmitter can be pre-assembled to various primary elements. This safety-certified transmitter also features a local operator interface (LOI) with easy-to-use menus and built-in configuration buttons for device commissioning without tools.
Rosemount 2051 Pressure Transmitter
Rosemount Coplanar™ platform enables integration of primary elements, manifolds, and remote seal solutions
Best in Class performance with up to 0.05% high accuracy option
IEC 62591 (WirelessHART®) Protocol enables cost effective installations
Local Operator Interface (LOI) offers easy to use configuration capabilities at the transmitter
Protocols available include HART® 4–20 mA, FOUNDATION™ Fieldbus, PROFIBUS® PA, HART 1–5 Vdc Low Power
Selectable HART Revision prepares your plant for the latest HART capabilities while ensuring seamless integration with today’s systems
SIL2/3 safety certification to IEC 61508 is available with the full 4–20 mA HART offering to simplify compliance
Rosemount 2051 Pressure Transmitter – Emerson
Rosemount 2051 Specifications
- Up to 5-year limited warranty
- Rangedown
- Up To 100:1
- Measurement Range
- Up to 2000 psi (137,9 bar) differential
- Output
- Differential pressure, scaled variable
- Communication Protocol
- 4-20 mA HART®, WirelessHART®, FOUNDATION™ Fieldbus, PROFIBUS®, 1-5 V Low Power HART®
- Process Wetted Material
- 316L SST, Alloy C-276, Tantalum
- Diagnostics
- Basic Diagnostics
- Certifications/Approvals
- SIL 2/3 certified to IEC 61508 by an independent 3rd party, NSF, NACE®, hazardous location, see full specs for complete list of certifications
Rosemount 2051 Pressure Transmitter Features
- Available pre-assembled to primary elements for an installation-ready flow solution that ensures reliable performance
- Complete flow assemblies are leak-tested and calibrated to reduce leak points up to 70% and simplify installation
- Local operator interface offers easy-to-use menus and built-in configuration buttons for streamlined commissioning
- Performance up to 0.05% of span accuracy
- SIL 2/3 certified to IEC 61508 (via 3rd party) and prior-use certificate of FMEDA data for safety installations
Rosemount 2051T Pressure Transmitter
PART NUMBER | ALTERNATE P/N | PRESSURE TYPE | PRESSURE UPPER RANGE LIMIT | OUTPUT | PROCESS CONNECTION | ISOLATING DIAPHRAGM | SENSOR FILL FLUID | HOUSING MATERIAL / CONDUIT ENTRY SIZE | ADDITIONAL OPTIONS | SURFACE FINISH |
---|---|---|---|---|---|---|---|---|---|---|
2051TG1A2B21A | 2051TG1A2B21A | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | None | No |
2051TG1A2B21AQ16 | 2051TG1A2B21AQ16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | None | Surface finish certification for sanitary remote seals |
2051TG1A2B21AQ4 | 2051TG1A2B21AQ4 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Calibration Certificate | No |
2051TG1A2B21AQ4Q16 | 2051TG1A2B21AQ4Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Calibration Certificate | Surface finish certification for sanitary remote seals |
2051TG1A2B21AQ8 | 2051TG1A2B21AQ8 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Material Traceability Certification per EN 10204 3.1.B | No |
2051TG1A2B21AQ8Q16 | 2051TG1A2B21AQ8Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Material Traceability Certification per EN 10204 3.1.B | Surface finish certification for sanitary remote seals |
2051TG1A2B21AQ15 | 2051TG1A2B21AQ15 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Certificate of Compliance to NACE MR0175/ISO 15156 for wetted materials | No |
2051TG1A2B21AQ15Q16 | 2051TG1A2B21AQ15Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Certificate of Compliance to NACE MR0175/ISO 15156 for wetted materials | Surface finish certification for sanitary remote seals |
2051TG1A2B21AQ25 | 2051TG1A2B21AQ25 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Certificate of Compliance to NACE MR0103 for wetted materials | No |
2051TG1A2B21AQ25Q16 | 2051TG1A2B21AQ25Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Certificate of Compliance to NACE MR0103 for wetted materials | Surface finish certification for sanitary remote seals |
2051TG1A2B21AP8 | 2051TG1A2B21AP8 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | 0.065 percent accuracy and 5 year stability | No |
2051TG1A2B21AP8Q16 | 2051TG1A2B21AP8Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | 0.065 percent accuracy and 5 year stability | Surface finish certification for sanitary remote seals |
2051TG1A2B21AQS | 2051TG1A2B21AQS | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Prior-use certificate of FMEDA data | No |
2051TG1A2B21AQSQ16 | 2051TG1A2B21AQSQ16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Prior-use certificate of FMEDA data | Surface finish certification for sanitary remote seals |
2051TG1A2B21AT1 | 2051TG1A2B21AT1 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Transient Terminal Block | No |
2051TG1A2B21AT1Q16 | 2051TG1A2B21AT1Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Transient Terminal Block | Surface finish certification for sanitary remote seals |
2051TG1A2B21AC1 | 2051TG1A2B21AC1 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Custom Software Configuration | No |
2051TG1A2B21AC1Q16 | 2051TG1A2B21AC1Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Custom Software Configuration | Surface finish certification for sanitary remote seals |
2051TG1A2B21AC4 | 2051TG1A2B21AC4 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | NAMUR alarm and saturation levels, high alarm | No |
2051TG1A2B21AC4Q16 | 2051TG1A2B21AC4Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | NAMUR alarm and saturation levels, high alarm | Surface finish certification for sanitary remote seals |
2051TG1A2B21ACN | 2051TG1A2B21ACN | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | NAMUR alarm and saturation levels, low alarm | No |
2051TG1A2B21ACNQ16 | 2051TG1A2B21ACNQ16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | NAMUR alarm and saturation levels, low alarm | Surface finish certification for sanitary remote seals |
2051TG1A2B21AP1 | 2051TG1A2B21AP1 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Hydrostatic testing with certificate | No |
2051TG1A2B21AP1Q16 | 2051TG1A2B21AP1Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Hydrostatic testing with certificate | Surface finish certification for sanitary remote seals |
2051TG1A2B21AP2 | 2051TG1A2B21AP2 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Cleaning for Special Service | No |
2051TG1A2B21AP2Q16 | 2051TG1A2B21AP2Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Cleaning for Special Service | Surface finish certification for sanitary remote seals |
2051TG1A2B21AP3 | 2051TG1A2B21AP3 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Cleaning for < 1 PPM Chlorine/Fluorine | No |
2051TG1A2B21AP3Q16 | 2051TG1A2B21AP3Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Cleaning for < 1 PPM Chlorine/Fluorine | Surface finish certification for sanitary remote seals |
2051TG1A2B21AV5 | 2051TG1A2B21AV5 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | External Ground Screw Assembly | No |
2051TG1A2B21AV5Q16 | 2051TG1A2B21AV5Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | External Ground Screw Assembly | Surface finish certification for sanitary remote seals |
2051TG1A2B21AGE | 2051TG1A2B21AGE | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | M12, 4-pin, Male Connector (eurofast) | No |
2051TG1A2B21AGEQ16 | 2051TG1A2B21AGEQ16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | M12, 4-pin, Male Connector (eurofast) | Surface finish certification for sanitary remote seals |
2051TG1A2B21AGM | 2051TG1A2B21AGM | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | A size Mini, 4-pin, Male Connector (minifast) | No |
2051TG1A2B21AGMQ16 | 2051TG1A2B21AGMQ16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | A size Mini, 4-pin, Male Connector (minifast) | Surface finish certification for sanitary remote seals |
2051TG1A2B21AQ4 | 2051TG1A2B21AQ4 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | None | No |
2051TG1A2B21AQ4Q16 | 2051TG1A2B21AQ4Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | None | Surface finish certification for sanitary remote seals |
2051TG1A2B21AQ4Q8 | 2051TG1A2B21AQ4Q8 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Material Traceability Certification per EN 10204 3.1.B | No |
2051TG1A2B21AQ4Q8Q16 | 2051TG1A2B21AQ4Q8Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Material Traceability Certification per EN 10204 3.1.B | Surface finish certification for sanitary remote seals |
2051TG1A2B21AQ4Q15 | 2051TG1A2B21AQ4Q15 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Certificate of Compliance to NACE MR0175/ISO 15156 for wetted materials | No |
2051TG1A2B21AQ4Q15Q16 | 2051TG1A2B21AQ4Q15Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Certificate of Compliance to NACE MR0175/ISO 15156 for wetted materials | Surface finish certification for sanitary remote seals |
2051TG1A2B21AQ4Q25 | 2051TG1A2B21AQ4Q25 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Certificate of Compliance to NACE MR0103 for wetted materials | No |
2051TG1A2B21AQ4Q25Q16 | 2051TG1A2B21AQ4Q25Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Certificate of Compliance to NACE MR0103 for wetted materials | Surface finish certification for sanitary remote seals |
2051TG1A2B21AQ4P8 | 2051TG1A2B21AQ4P8 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | 0.065 percent accuracy and 5 year stability | No |
2051TG1A2B21AQ4P8Q16 | 2051TG1A2B21AQ4P8Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | 0.065 percent accuracy and 5 year stability | Surface finish certification for sanitary remote seals |
2051TG1A2B21AQ4QS | 2051TG1A2B21AQ4QS | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Prior-use certificate of FMEDA data | No |
2051TG1A2B21AQ4QSQ16 | 2051TG1A2B21AQ4QSQ16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Prior-use certificate of FMEDA data | Surface finish certification for sanitary remote seals |
2051TG1A2B21AQ4T1 | 2051TG1A2B21AQ4T1 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Transient Terminal Block | No |
2051TG1A2B21AQ4T1Q16 | 2051TG1A2B21AQ4T1Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Transient Terminal Block | Surface finish certification for sanitary remote seals |
2051TG1A2B21AQ4C1 | 2051TG1A2B21AQ4C1 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Custom Software Configuration | No |
2051TG1A2B21AQ4C1Q16 | 2051TG1A2B21AQ4C1Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Custom Software Configuration | Surface finish certification for sanitary remote seals |
2051TG1A2B21AQ4C4 | 2051TG1A2B21AQ4C4 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | NAMUR alarm and saturation levels, high alarm | No |
2051TG1A2B21AQ4C4Q16 | 2051TG1A2B21AQ4C4Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | NAMUR alarm and saturation levels, high alarm | Surface finish certification for sanitary remote seals |
2051TG1A2B21AQ4CN | 2051TG1A2B21AQ4CN | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | NAMUR alarm and saturation levels, low alarm | No |
2051TG1A2B21AQ4CNQ16 | 2051TG1A2B21AQ4CNQ16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | NAMUR alarm and saturation levels, low alarm | Surface finish certification for sanitary remote seals |
2051TG1A2B21AQ4P1 | 2051TG1A2B21AQ4P1 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Hydrostatic testing with certificate | No |
2051TG1A2B21AQ4P1Q16 | 2051TG1A2B21AQ4P1Q16 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Hydrostatic testing with certificate | Surface finish certification for sanitary remote seals |
2051TG1A2B21AQ4P2 | 2051TG1A2B21AQ4P2 | Gage pressure transmitter | -14.7 to 30 psi | 4-20mA with digital signal based on HART protocol | 1/2-14 NPT Female | 316L SST | Silicone | Polyurethane covered aluminum; 1/2-14 NPT | Cleaning for Special Service | No |