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3051GP2A2B

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Emerson 3051GP2A2B is a Rosemount 3051 gauge-pressure transmitter for moderate-pressure monitoring in existing loops. Confirm the traditional process interface.
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Technical specifications for 3051GP2A2B

  • Manufacturer:
    Emerson
  • Part Number:
    3051GP2A2B
  • Product Family:
    Rosemount
  • Product Type:
    Rosemount Gauge Pressure Transmitter
  • Stock:
    1
  • Measurement Reference:
    Gauge Pressure
  • Sensor Range:
    Range 2: -14.7 to +150 psi
  • Analog Output:
    4–20 mA with HART
  • Process Interface:
    traditional gauge-pressure process connection
  • Process-Port Thread:
    1/4-18 NPT on the transmitter flange
  • Flange-Adapter Connection:
    1/2-14 NPT Class 2 when official flange adapters are fitted
  • External Power Supply:
    10.5-42.4 Vdc at the transmitter terminals
  • HART Communication Load:
    250 ohms minimum
  • Permitted AC Noise:
    0.2 V peak-to-peak maximum for communication troubleshooting
  • Configuration Protocol:
    HART using a compatible Field Communicator or host
  • Configurable Range Values:
    Lower and upper range values can be reranged within the sensor limits
  • Transfer Function:
    Linear or square-root selection for the traditional 4-20 mA output
  • Damping:
    Software-configurable damping for the primary variable
  • Engineering Units:
    Pressure engineering units are configurable through the HART interface
  • Loop Test:
    Fixed analog-output loop test is available for commissioning
  • Analog Output Trim:
    Digital-to-analog output trim is supported
  • Zero Trim:
    Single-point zero offset trim is supported after final mounting
  • Sensor Trim:
    Two-point lower and upper sensor trim is supported
  • Factory Trim Recall:
    Factory sensor trim can be recalled on 4-20 mA output units
  • Write Protection:
    Security setting prevents changes to transmitter configuration
  • Multidrop Addressing:
    HART multidrop addressing follows the installed device revision and host configuration
  • Diagnostic Indication:
    Sensor, electronics, configuration, pressure-limit, temperature-limit, saturation, and loop-test conditions are reported
  • Installation Requirement:
    All four flange bolts must be installed and tightened before pressure is applied
  • Impulse-Piping Requirement:
    High- and low-side impulse legs must preserve correct routing, equal head, and process isolation
  • Tariff Code:
    Please confirm the destination before shipping.
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Applications Monitoring Protection Humidity Range

Features:

  • The established gauge platform supports direct process connection with an atmospheric sensing reference.
  • The atmospheric reference and any thread adapter require inspection for blockage, leakage, or incompatible sealant.
  • Mounting must limit vibration transfer and prevent condensate from entering the housing or reference opening.
The current record covers a gauge-pressure transmitter with a partially specified traditional process interface, and omitted choices are not inferred from nearby family codes.

The operating application is moderate gauge-pressure monitoring in existing process loops. Range 2 provides a moderate gauge-pressure span for an existing 4-20 mA HART loop.

Replacement planning must reconcile the omitted process connection details, materials, vent path, enclosure, indication, host configuration, and approvals. Verify the partial traditional-flange configuration and any adapter hardware from the installed nameplate.

Availability is subject to Apter Power inventory and sourcing confirmation.
Verified resources for Emerson Rosemount 3051GP2A2B: Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Monitors plant utility or distribution pressure where the completed traditional connection matches existing piping.
  • Provides pressure feedback for pump and compressor operation within the engineered process limits.
  • Supports replacement in control panels when the receiving loop and alarm behavior are preserved.
  • Process trends are reviewed together with valve position, equipment state, and reference-leg condition.
  • Status changes are time-correlated with wiring or process interventions.
  • The alarm record distinguishes measurement limits from device failure during moderate gauge-pressure monitoring.
  • Process isolation and venting prevent trapped pressure from reaching service personnel during startup or maintenance.
  • The housing seal is inspected after any internal access.
  • Protective settings are coordinated with the receiving system used for moderate gauge-pressure monitoring.
  • Condensation control combines enclosure integrity, cable routing, and installation orientation.
  • A vented gauge reference remains open to atmosphere without becoming a water-entry path.
  • Humidity exposure is reviewed alongside the completed process fitting, vent path, enclosure, host settings, and approvals selection.
Description
3051GP2A2B identifies a Rosemount 3051 assembly built as a gauge-pressure transmitter with a partially specified traditional process interface. Unlisted option choices are not inferred from nearby catalog numbers.

Its operating scope covers moderate gauge-pressure monitoring in existing process loops. It supplies a process pressure variable for routine control, indication, or equipment condition monitoring.

A supply comparison must cover the omitted process connection details, materials, vent path, enclosure, indication, host configuration, and approvals. Resolve any difference before the unit is released for installation.
Alternative Names
3051GP2A2B 3051GP-2A2B 3051GP 2A2B Rosemount 3051GP2A2B Emerson 3051GP2A2B EMR 3051GP2A2B Emerson Rosemount 3051GP2A2B Rosemount 3051GP2A2B Gauge Pressure Transmitter
Technical notes
3051GP2A2B must be isolated and vented before process hardware is disturbed; confirm the Range 2 flange, adapter pattern, and loop configuration before service.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What adapter inspection prevents a process leak when installing 3051GP2A2B?
Check thread type, adapter rating, seal condition, engagement depth, material compatibility, and approved sealing practice.
What adapter or flange detail must be matched around 3051GP2A2B?
Reconcile the process fitting, atmospheric reference, receiving input, saved settings, and enclosure orientation with the installed unit.
How can 3051GP2A2B be retained in a moderate-range gauge loop?
It supports moderate gauge-pressure service when the completed materials, connection, and process limits match the measurement point.
What schedule information should a 3051GP2A2B quote request include?
Include the delivery schedule, condition requirement, quantity, destination, full nameplate, and process-connection photographs.
Which engineering comparison is needed before replacing 3051GP2A2B with a 3051TG?
A newer in-line model requires engineering comparison of mechanics, materials, configuration, approvals, and host behavior.
What HART manual section supports troubleshooting of 3051GP2A2B?
Consult the legacy Rosemount 3051GP documentation and the appropriate HART reference manual for loop troubleshooting.