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

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Rosemount 2051 Pressure Transmitter – Emerson

Rosemount 2051 SpecificationsRosemount™ 2051 Differential Pressure Flow Transmitter

Warranty
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

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

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