Rosemount 3051CD2A22A1AM5 Differential Pressure Transmitter

• Product Name: Rosemount 3051CD2A22A1AM5 Differential Pressure Transmitter
• Full Model Code: 3051CD2A22A1AM5
• Manufacturer: Emerson (Rosemount)

Rosemount 3051CD2A22A1AM5 Coplanar Pressure Transmitters are the industry standard for differential, gage, and absolute pressure measurement. The coplanar platform enables seamless integration with manifolds, flow, and level solutions.
■ Loop Integrity and Plugged Impulse Line Diagnostics detect issues that might compromise the integrity of the output signal (code DA1).
■ Bluetooth connectivity enables efficient, reliable, and safe configuration and maintenance (code BLE).
■ Back-lit graphical display with local language capability (code M6).
■ Safety certification and proof testing (code QT and T9)

Applicable Standards & Certifications for Rosemount 3051CD2A22A1AM5 Pressure Transmitter

The transmitter shall conform to the following international standards as applicable:

• Functional Safety: SIL2 capable per IEC 61508 (when configured with appropriate options)
• EMC/EMI: IEC 61326, EN 61326
• Hazardous Area Approvals: ATEX, IECEx, FM, CSA (specify where required)
• Pressure Equipment Directive (PED)
• Environmental Protection: IP66/67, NEMA 4X
• Quality: Manufacturer ISO 9001 certified
• Calibration Standards: Traceable to national standards (e.g., NIST)

GENERAL REQUIREMENTS

The pressure transmitter shall:

• Be designed for continuous industrial process service
• Provide high reliability, long-term stability, low drift, and advanced diagnostics
• Be compatible with HART® communication protocol (standard)
• Be loop powered (2-wire, 4-20 mA) unless another protocol is specified

PERFORMANCE SPECIFICATIONS for Rosemount 3051CD2A22A1AM5 Pressure Transmitter

Pressure Types

Transmitter shall measure:

• Gauge Pressure (PG)
• Absolute Pressure (PA) — where certified reference vacuum is provided
• Differential Pressure (PD) — if differential model is specified

Measurement Ranges

Provide ranges (select as required):

• Gauge/Absolute: 0–15 psi to 0–10,000 psi (or equivalent metric units)
• Differential (if applicable): 0–5 inH₂O to 0–250 inH₂O (or equivalent)

Accuracy

Transmitter shall have the following minimum performance:

• Total Accuracy: ±0.04% of span (including linearity, hysteresis, and repeatability)
• Optional Enhanced Accuracy: ±0.025% of span

Temperature Limits

• Operating Ambient: –40°C to +85°C (–40°F to +185°F)
• Process Temperature: –40°C to +105°C (–40°F to +221°F)
• Storage Temperature: –40°C to +100°C (–40°F to +212°F)

Long-Term Stability

• Typical drift: ≤±0.1% of URL per year

Overpressure

• Shall withstand at least 2× full scale pressure without degradation (unless otherwise specified)

SENSOR & WETTED PARTS MATERIAL

• Wetted materials shall be corrosion resistant; 316L stainless steel minimum
• Optional alloys: Hastelloy, Monel, or others as required by process fluid compatibility
• Sealing materials compatible with process fluid

OUTPUT & COMMUNICATION

Analog Output

• Standard: 4–20 mA, two-wire, HART® digital communication superimposed
• Optional: Foundation Fieldbus or PROFIBUS PA (if specified)

Digital Communication

• HART® version (specify if a specific version is required)
• Configuration, calibration, and diagnostics accessible via host system or handheld communicator

Power Requirements

• 12–42 V DC loop supply (typical)
• Power consumption shall not exceed specified limits for selected protocol

HOUSING & MOUNTING

Enclosure

• Rugged, corrosion-resistant housing (aluminum or stainless steel per project requirements)
• Environmental protection rating: IP66/67, NEMA 4X

Display & Local Interface

• Optional local LCD display with configurable units, status, and diagnostics

Mounting

• Options for direct, pipe, or remote mounting as specified

DIAGNOSTICS & FEATURES

The transmitter shall provide:

• Self-diagnostic functions including sensor health, over-range/under-range warnings
• Zero and span drift compensation
• Auto-trim calibration functions
• Programmable failsafe and alarm limits

CALIBRATION & TESTING

Each unit shall be:

• Factory calibrated to specified range(s)
• Tested for zero and span accuracy
• Pressure tested at rated pressure levels
• Supplied with a calibration certificate traceable to national standards

DOCUMENTATION

Supplier shall provide in English:

• Manufacturer’s datasheets
• Installation, operation and maintenance manual
• Calibration certificate
• Hazardous area certificates (if applicable)
• Configuration and loop wiring diagrams

INSTALLATION & COMMISSIONING

Supplier shall:

• Provide installation instructions and best-practice guidelines
• Assist with startup/configuration as required
• Verify loop integrity with host or DCS

WARRANTY & SUPPORT

• Manufacturer’s minimum warranty of 12 months from commissioning (or 18 months from shipment)
• Technical support via phone/electronic channels
• Availability of spare parts and calibration services

QUALITY ASSURANCE

• Supplier shall be ISO 9001 certified
• Products shall comply with project quality plan requirements
• Inspection and test records shall be provided upon request

OPTIONAL FEATURES 

• Dual 4–20 mA outputs
• Redundant sensors
• High-temperature process seals
• SIL diagnostic equipment package
• Remote electronics housing with extended temperature range