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        • Lifecycle status

          Active / Available from OEM
          Apter Power assists with 3051CD2A22A documentation, quotations, procurement, and Coplanar hardware matching.

        3051CD2A22A

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        1001 reviews ｜ Need a Specific Revision?
        Emerson 3051CD2A22A is a coplanar differential-pressure transmitter with defined sensor and flange selections for DP, flow, or hydrostatic-level measurement.
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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 3051CD2A22A

        • Manufacturer:
          Emerson
        • Part Number:
          3051CD2A22A
        • Product Family:
          Rosemount
        • Product Type:
          Rosemount Coplanar Differential Pressure Transmitter
        • Stock:
          1
        • Measurement Reference:
          Differential pressure
        • Sensor Range Code:
          2
        • Minimum Calibrated Span:
          1.67 inH2O (4.15 mbar)
        • Upper Sensor Limit:
          +250 inH2O (+621.60 mbar)
        • Lower Sensor Limit:
          -250 inH2O (-621.60 mbar)
        • Reference Accuracy:
          +/-0.04% of span under stated reference conditions
        • Long-Term Stability:
          +/-0.2% of URL for 10 years under stated conditions
        • Total Response Time:
          100 ms nominal; 85 ms with option M6, RK, T9, or DA1
        • Mounting-Position Effect:
          Zero shift up to +/-1.25 inH2O (3.11 mbar), calibratable; no span effect
        • Overpressure Limit:
          3626 psig (250 bar)
        • Burst Pressure:
          10081 psig (695 bar) for coplanar or traditional flange
        • Silicone-Fill Process Temperature:
          -40 to +121 degrees C (-40 to +250 degrees F) with coplanar flange
        • Inert-Fill Process Temperature:
          -40 to +85 degrees C (-40 to +185 degrees F)
        • Process Connections:
          1/4-18 NPT on 2-1/8 in centers; process-adapter choices are configuration-dependent
        • Electrical Entries:
          1/2-14 NPT, G1/2, or M20 x 1.5 according to the completed housing code
        • Base Transmitter Weight:
          6.0 lb (2.7 kg) without options
        • Analog Output:
          Two-wire 4-20 mA
        • Digital Communication:
          HART digital signal superimposed on the analog output
        • Transfer Function:
          User-selectable linear or square-root output
        • External Power Supply:
          10.5-42.4 Vdc with no load
        • HART Communication Load:
          250 ohms minimum
        • Maximum Loop Resistance:
          43.5 x (power-supply voltage - 10.5) ohms
        • Update Rate:
          22 updates per second
        • Dead Time:
          45 ms nominal
        • Ambient Temperature:
          -40 to +85 degrees C (-40 to +185 degrees F)
        • Storage Temperature:
          -46 to +110 degrees C (-50 to +230 degrees F)
        • Humidity Limit:
          0-100% relative humidity
        • Turn-On Time:
          Less than 2 seconds for HART output
        • Software Damping:
          0-60 seconds, user-selectable for one time constant
        • Volumetric Displacement:
          Less than 0.005 in3 (0.08 cm3)
        • Vibration Effect:
          Less than +/-0.1% of URL under the IEC 60770-1 high-vibration test
        • Power-Supply Effect:
          Less than +/-0.005% of calibrated span per volt
        • Electromagnetic Compatibility:
          Meets EN 61326 industrial requirements and NAMUR NE 21
        • Supported Process Media:
          Liquid, gas, and vapor service
        • 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 Temperature Range

        Features:

        • The coplanar flange provides a compact interface for direct manifold and process-solution integration.
        • Flange sealing surfaces and manifold equalization valves require inspection before the transmitter is returned to service.
        • Process and ambient exposure must remain within the limits of the completed fill-fluid and housing selections.
        The listed configuration is a coplanar differential-pressure transmitter with an identified sensor and flange selection; purchasing uses the complete device identity rather than appearance alone.

        Within the plant system it performs medium-span differential, flow, or level measurement. The partial code identifies Range 2, HART output, and documented Coplanar material selections.

        Commissioning requires a documented check of the completed materials, housing, indication, approvals, manifold rating, gasket condition, and saved calibration. Complete the missing housing and approval choices from the nameplate before replacement.

        Availability is subject to Apter Power inventory and sourcing confirmation.
        Verified resources for Emerson Rosemount 3051CD2A22A: 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 differential pressure across filters, strainers, or heat-transfer equipment with a compatible coplanar manifold.
        • Supports process flow measurement when assembled with an approved differential-pressure primary element.
        • Measures closed-vessel level after density, impulse-head, and pressure-reference conditions are configured in the system.
        • Maintenance personnel compare local indication, digital value, and loop response when investigating disagreement.
        • A stable reference condition provides the baseline for evaluating drift after service.
        • The host database retains the calibrated scaling assigned to this identified coplanar DP assembly.
        • Pressure testing remains within the limits of the completed sensor and manifold arrangement.
        • Conduit routing prevents moisture from collecting at the electrical entries.
        • Process isolation devices are checked before this identified coplanar DP assembly is exposed to normal duty.
        • The completed order record determines the usable ambient range of the electrical assembly.
        • Remote seals or impulse piping are considered when the process temperature exceeds direct-mount limits.
        • Temperature review includes materials, manifold rating, seals, enclosure, and calibration before this identified coplanar DP assembly is accepted.
        Description
        3051CD2A22A is supplied as a coplanar differential-pressure transmitter with an identified sensor and flange selection. Its physical label distinguishes the installed configuration from visually similar hardware.

        In service, the assembly supports medium-span differential, flow, or level measurement. It transfers the differential-pressure variable to the host while allowing manifold-based isolation for maintenance.

        Commissioning acceptance requires verification of the completed materials, housing, indication, approvals, manifold rating, gasket condition, and saved calibration. Retain the checked configuration with the asset history.
        Alternative Names
        3051CD2A22A 3051CD-2A22A 3051CD 2A22A Rosemount 3051CD2A22A Emerson 3051CD2A22A EMR 3051CD2A22A Emerson Rosemount 3051CD2A22A Rosemount 3051CD2A22A Coplanar Differential Pressure Transmitter
        Technical notes
        3051CD2A22A flange or adapters must not be loosened under pressure; equalize, leak-test, and zero the Range 2 sensor after installation.
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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 sealing-surface inspection is needed before reusing a manifold with 3051CD2A22A?
        Inspect the coplanar faces, gasket seats, bolts, vents, and manifold passages for damage, contamination, corrosion, or incompatible materials.
        How should the Coplanar flange face be compared for 3051CD2A22A?
        Compare the flange geometry, pressure rating, seal materials, and vent orientation rather than relying on the family name.
        Which medium-span differential application suits 3051CD2A22A?
        It serves medium differential applications when the connected process hardware and calibrated operating window are properly engineered.
        What delivery constraint should be stated in a 3051CD2A22A stock inquiry?
        State the needed condition, quantity, destination, requested date, full nameplate, and whether the existing manifold will be reused.
        Does matching the base 3051CD name make a unit interchangeable with 3051CD2A22A?
        Matching the base name does not prove interchangeability; sensor, flange, materials, enclosure, output, and approvals still require confirmation.
        Where are the environmental limits for 3051CD2A22A documented?
        Check the Rosemount 3051C product data sheet and reference manual for environmental, manifold, and commissioning requirements.

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