The Rosemount 3051CG5A02A1KS5I1Q4Q8V5 is a high-performance coplanar gauge pressure transmitter from Emerson's industry-leading 3051C series. This complete assembly includes a factory-mounted 0305RC22B11 two-valve integral manifold, providing a leak-tested, ready-to-install pressure measurement solution for demanding industrial applications.
The 3051C platform represents the industry standard for differential, gauge, and absolute pressure measurement, featuring patented Coplanar technology that enables direct mounting and seamless integration with manifolds, flow, and level solutions. With a pressure range of up to 2000 psi (13.8 MPa), this transmitter delivers reliable, accurate measurement in process control
Exceptional Stability & Accuracy
10-year installed stability of 0.2% of URL provides long-term reliability and reduced calibration frequency
Reference accuracy up to ±0.04% of span for precise measurement
Integrated Manifold Design
Factory-assembled and leak-tested with the 0305RC22B11 manifold to reduce potential leak points by up to 70%
Simplifies installation and commissioning compared to separate transmitter and manifold components
2-valve configuration enables convenient isolation and venting for maintenance
Advanced Diagnostics & Safety
SIL 2/3 certified to IEC 61508 for safety instrumented systems
Power advisory diagnostics help detect on-scale failures due to electrical loop issues
Local Operator Interface (LOI) with external buttons allows configuration in hazardous areas without removing the transmitter cover
Flexible Communication
4–20 mA HART Protocol output for seamless integration with existing control systems
HART 7 and HART 5 compatibility reduces inventory requirements
| Parameter | Specification |
|---|---|
| Measurement Type | Gauge Pressure |
| Pressure Range | –14.2 to 2000 psi (–0.97 to 137.89 bar) / 13.8 MPa |
| Output Signal | 4–20 mA with digital HART Protocol |
| Reference Accuracy | Up to ±0.04% of span |
| Stability | 0.2% of URL for 10 years |
| Power Supply | 10.5–42.4 V dc (no load) |
| Process Connection | 1/2-14 NPT (manifold) |
| Wetted Materials | 316L SST diaphragm, 316 SST manifold |
| Housing | SST, M20 x 1.5 conduit entry |
| Certifications | ATEX Intrinsic Safety (I1), SIL 2/3 |
| Manifold | 0305RC22B11 (2-valve, Coplanar, 316 SST) |
The 3051CG5A02A1KS5I1Q4Q8V5 with integral manifold is suitable for a wide range of industrial pressure measurement applications:
Process Control & Monitoring — Reliable gauge pressure measurement in chemical, petrochemical, and refining processes
Oil & Gas — Wellhead monitoring, pipeline pressure, and separation systems
Power Generation — Steam, feedwater, and fuel gas pressure measurement
Water & Wastewater — Pump discharge, filter monitoring, and distribution systems
Flow Measurement — When paired with primary elements, enables DP flow measurement with totalization
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