The Rosemount 3051GP is a coplanar gauge pressure transmitter designed for high-performance process measurement. This specific configuration features a 316L stainless steel architecture and advanced diagnostic options for industrial reliability.
01 Model Code Detailed Explanation
The meaning of each segment of the model code is outlined in the table below:
| Code Segment | Description | Technical Details |
| 3051 | Product Series | Rosemount 3051 Pressure Transmitter |
| G | Measurement Type | Gauge Pressure |
| P | Structure Type | Coplanar Platform |
| 3 | Pressure Range | -14.7 to 800 psi (-1.01 to 55.2 bar) |
| A | Output Signal | 4-20 mA with HART Digital Signal |
| 2 | Process Connection | 1/2-14 NPT Female |
| B | Diaphragm Material | 316L Stainless Steel wetted parts |
| 2 | Fill Fluid | Inert Fill Fluid (Fluorinert® FC-43) |
| 1 | Housing Material | Polyurethane-covered Aluminum, 1/2-14 NPT conduit entry |
| A | Configuration | Placeholder for standard configuration |
| B4 | Mounting Bracket | Stainless steel bracket with stainless steel bolts |
| L5 | Bolt Material | 316 Stainless Steel Bolts |
| M5 | Display Type | LCD Display (5-digit) |
02 Key Specification Summary
Based on the model code analysis, the core specifications of the device are as follows:
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Measurement Type: Gauge Pressure (Coplanar).
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Range Limits: -14.7 to 800 psi (-1.01 to 55.2 bar).
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Output: 4-20 mA HART digital communication.
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Wetted Material: 316L Stainless Steel diaphragm and process isolators.
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Fill Fluid: Inert Fluorinert FC-43 (suitable for oxygen or high-stability service).
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Hardware Integrity: All-stainless steel external hardware (L5 bolts and B4 bracket) for superior corrosion resistance.
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Local Interface: Integrated 5-digit LCD display for real-time process monitoring.
03 Operational Excellence and Maintenance
The 3051GP coplanar design allows for versatile mounting, enabling direct integration with manifolds or remote seal systems.
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Structural Integrity: The use of L5 stainless steel bolts ensures that the transmitter remains serviceable in humid or corrosive environments where standard carbon steel hardware might seize.
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Process Compatibility: 316L Stainless Steel provides excellent resistance to a wide variety of industrial chemicals and hydrocarbons.
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Diagnostic Capability: The HART signal allows for remote calibration and health monitoring, reducing the need for physical inspections in difficult-to-reach locations.
04 Procurement and Technical Support
Xi’an Yunrui Trading Co., Ltd. (Yunrui) assists in the technical verification of Rosemount 3051 series transmitters to ensure they meet exact site requirements.
Technical support includes assistance with range calibration and manifold selection. By maintaining a strategic inventory in the Xi’an warehouse, lead times for the 3051GP3A2B21AB4L5M5 and similar models are significantly reduced. Specialized logistics services manage international compliance and documentation, ensuring that these high-precision instruments arrive on-site ready for immediate installation.
