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3051CD0A

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Emerson 3051CD0A is a coplanar transmitter for highly sensitive differential-pressure, flow, or level measurement. Complete the partial code before ordering.
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Technical specifications for 3051CD0A

  • Manufacturer:
    Emerson
  • Part Number:
    3051CD0A
  • Product Family:
    Rosemount
  • Product Type:
    Rosemount Coplanar Differential Pressure Transmitter
  • Stock:
    1
  • Measurement Reference:
    Differential pressure
  • Sensor Range Code:
    0
  • Minimum Calibrated Span:
    0.10 inH2O (0.24 mbar)
  • Upper Sensor Limit:
    +3.0 inH2O (+7.45 mbar)
  • Lower Sensor Limit:
    -3.0 inH2O (-7.45 mbar)
  • Reference Accuracy:
    +/-0.10% of span under stated reference conditions
  • Long-Term Stability:
    +/-0.2% of URL for one year
  • Total Response Time:
    700 ms nominal
  • Mounting-Position Effect:
    Zero shift up to +/-1.25 inH2O (3.11 mbar), calibratable; no span effect
  • Overpressure Limit:
    750 psi (51.7 bar)
  • Burst Pressure:
    10081 psig (695 bar) for coplanar or traditional flange
  • Silicone-Fill Process Temperature:
    -40 to +100 degrees C (-40 to +212 degrees F) for differential-pressure range 0
  • Inert-Fill Process Temperature:
    0 to +85 degrees C (+32 to +185 degrees F) for differential-pressure range 0
  • 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 Communication & Connectivity Diagnostics Temperature Range

Features:

  • The coplanar flange supports compact manifold integration for careful isolation and equalization.
  • Zero verification should follow mounting, equalization, venting, and stabilization at a valid reference condition.
  • Thermal gradients, vibration, trapped condensate, and unequal impulse heads can materially influence sensitive measurements.
The supplied hardware is a coplanar transmitter for highly sensitive differential-pressure measurement, traceable to its complete nameplate and project record.

The installation uses this hardware for very-low differential process, flow, or level applications. Range 0 is intended for very low differential spans where installation effects require careful control.

Match the low-range sensor, coplanar flange, fill fluid, manifold leakage, impulse-line balance, enclosure, and approvals before the unit is returned to service. Use matched impulse routing and allow stabilization before the final zero trim.

Availability is subject to Apter Power inventory and sourcing confirmation.
Verified resources for Emerson Rosemount 3051CD0A: 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 small pressure loss across clean filters or low-resistance process equipment.
  • Supports low differential air or gas service when impulse lines remain dry, balanced, and leak-free.
  • Provides sensitive flow or level input after the connected primary element and reference legs are fully engineered.
  • The selected electronics determine whether maintenance data shares the wired measurement loop.
  • Communicator access requires a supported device description and suitable loop conditions.
  • Shielding, grounding, and terminal polarity are checked as part of the connection review for very-low differential service.
  • Stored status and alarm behavior provide a starting point for structured troubleshooting.
  • A controlled reference test distinguishes sensor response from host scaling or wiring error.
  • Maintenance findings are correlated with operating conditions present during very-low differential service.
  • Fill-fluid and diaphragm selections control the process-temperature boundary of the sensing system.
  • Rapid thermal changes are allowed to stabilize before calibration or zero verification.
  • The installation limits heat conduction during very-low differential service.
Description
3051CD0A represents the recorded Rosemount 3051 hardware as a coplanar transmitter for highly sensitive differential-pressure measurement. The full code controls the configuration considered for supply.

The completed installation uses it for very-low differential process, flow, or level applications. It detects small differential changes that depend heavily on installation balance and process-connection integrity.

The installed record must establish the low-range sensor, coplanar flange, fill fluid, manifold leakage, impulse-line balance, enclosure, and approvals. Escalate every unresolved suffix or interface difference before shipment.
Alternative Names
3051CD0A 3051CD-0A 3051CD 0A Rosemount 3051CD0A Emerson 3051CD0A EMR 3051CD0A Emerson Rosemount 3051CD0A Rosemount 3051CD0A Coplanar Differential Pressure Transmitter
Technical notes
3051CD0A measurements are highly sensitive to mounting position and impulse-line head; equalize both process ports and perform zero trim only after final 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.
Why should 3051CD0A be zero-checked only after the manifold and impulse lines stabilize?
At very low differential, trapped fluid, unequal head, valve leakage, or mounting stress can shift zero and invalidate the check.
Which flange and fill-fluid selections must be verified for 3051CD0A?
Verify coplanar flange faces, manifold passages, seals, fill fluid, venting, and pressure containment before installation.
How can 3051CD0A support sensitive differential-pressure service?
Use it for sensitive differential service where the process connection can maintain a stable, balanced reference.
What destination documentation should be requested with 3051CD0A availability?
Request supply with destination documents, condition, quantity, delivery target, calibration needs, and clear nameplate images.
Why should a range-one or range-two sensor not replace 3051CD0A without review?
A different sensor range changes resolution and calibration capability; it requires engineering review rather than a simple swap.
Which official table confirms the special range-zero constraints for 3051CD0A?
Check the Rosemount 3051C ordering table and reference manual sections for low-range performance and installation effects.