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        3051DP3A

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        1001 reviews ｜ Need a Specific Revision?
        Emerson 3051DP3A is a Rosemount 3051 differential-pressure transmitter for DP, flow, and level loops using a traditional flange. Match the physical nameplate before supply.
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        Ships by Thursday, October 29
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for 3051DP3A

        • Manufacturer:
          Emerson
        • Part Number:
          3051DP3A
        • Product Family:
          Rosemount
        • Product Type:
          Rosemount Differential Pressure Transmitter
        • Stock:
          1
        • Measurement Reference:
          Differential Pressure
        • Sensor Range:
          Range 3: -1000 to +1000 inH2O
        • Analog Output:
          4–20 mA with HART
        • Process Interface:
          traditional 3051DP flange
        • 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 Temperature Range Diagnostics & Protection Compliance

        Features:

        • The traditional flange layout preserves compatibility with established impulse piping and manifold practices.
        • High- and low-side isolation must be sequenced correctly to avoid sensor overpressure during commissioning.
        • Process heat must not exceed the completed sensor, fill-fluid, flange, or remote-seal limits.
        This configuration is cataloged as a differential-pressure transmitter for broader-span process service; no unlisted feature is assumed during sourcing.

        The intended duty covers differential-pressure, flow, and level loops using the traditional flange platform. The broader Range 3 span is suited to higher differential duties within the completed transmitter limits.

        Acceptance depends on confirming the unlisted option segments, pressure containment, manifold rating, wetted materials, housing, alarm action, and approvals. Confirm the traditional flange and full option string before approving a replacement.

        Availability is subject to Apter Power inventory and sourcing confirmation.
        Verified resources for Emerson Rosemount 3051DP3A: 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.
        • Measures substantial pressure drop across process restrictions while maintaining correct high- and low-side connections.
        • Supports differential flow measurement on compatible primary elements in liquid, gas, or vapor service.
        • Provides closed-tank level input where static pressure and impulse-line head are included in the engineering calculation.
        • Ambient limits follow the selected electronics, display, housing, and approval options.
        • Process-temperature capability depends on wetted materials, fill fluid, flange, and any seal system.
        • Heat transfer into the housing is evaluated for traditional-flange differential service.
        • Status review is combined with process-isolation checks before invasive troubleshooting begins.
        • One-sided pressure and trapped process fluid are removed using the approved manifold sequence.
        • Protective devices and alarm action are proven before this broader-span DP assembly returns to control.
        • Permitted regulatory use is established by the approval marking on the delivered transmitter.
        • Process containment and field wiring are checked against the certified drawings.
        • The acceptance file records pressure containment, manifold, materials, and alarms for this broader-span DP assembly.
        Description
        3051DP3A is the stated ordering identity for a differential-pressure transmitter for broader-span process service. Acceptance starts with the physical label and project asset record.

        This configuration is intended for differential-pressure, flow, and level loops using the traditional flange platform. It communicates the measured differential to the host while retaining service access through the wired loop.

        Final selection depends on the unlisted option segments, pressure containment, manifold rating, wetted materials, housing, alarm action, and approvals. Confirm the delivered assembly against the approved order before commissioning.
        Alternative Names
        3051DP3A 3051DP-3A 3051DP 3A Rosemount 3051DP3A Emerson 3051DP3A EMR 3051DP3A Emerson Rosemount 3051DP3A Rosemount 3051DP3A Differential Pressure Transmitter
        Technical notes
        3051DP3A requires the equalizer to be opened before either block valve to prevent one-sided overload; recheck zero after securing the manifold and impulse lines.
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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.
        VIEW ALL FAQS
        What commissioning sequence protects 3051DP3A from one-sided pressure exposure?
        Follow the approved manifold isolation and equalization sequence so the sensor is not exposed to damaging differential pressure during startup.
        Which impulse-line arrangement should be preserved around 3051DP3A?
        Preserve the established impulse-line slope, high- and low-side routing, manifold ports, and vent or drain arrangement.
        Where would 3051DP3A be selected for a wider differential-pressure measurement?
        It supports broader-span differential service when static pressure, process connection, media, and calibrated operating window are suitable.
        What condition information assists sourcing of 3051DP3A?
        Provide condition expectations, quantity, destination, delivery date, nameplate images, and photographs of the flange and manifold.
        What must be validated before a newer pressure transmitter replaces 3051DP3A?
        A current transmitter requires a documented comparison of process interface, materials, enclosure, approvals, and loop configuration.
        Which HART procedures are relevant to the setup record for 3051DP3A?
        Review the applicable Rosemount 3051DP reference manual for manifold operation, HART service, and safe commissioning procedures.

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