Emerson Rosemount Transmiiter 3051 Series 3051TG2A2B21AWR3M5HR5 3051CD2A22A1AB4WR3M5HR5 Pressure Transmitters Intelligent Original New

The Rosemount 3051 Series is a benchmark pressure and differential pressure transmitter from Emerson, boasting a global installed base exceeding 10 million units. Integrating pressure, level, and flow measurement capabilities, it is renowned for its high accuracy, exceptional stability, and robust diagnostic capabilities, and is widely utilized across industries such as petrochemicals, power generation, metallurgy, and pharmaceuticals. I. Core Models and Measurement Types

1. 3051C Coplanar™

3051CD: Differential Pressure (DP), up to 137.9 bar

3051CG: Gage Pressure (GP), up to 137.9 bar

3051CA: Absolute Pressure (AP), up to 275.8 bar

2. 3051T In-Line

3051TG: Gage Pressure, up to 689.5 bar

3051TA: Absolute Pressure, up to 689.5 bar

3. 3051L Level

Flange / Extended Diaphragm Mount; suitable for tank and reactor level measurement; up to 20.7 bar

4. 3051HT Sanitary

3A/EHEDG certified; polished surface finish; suitable for sterile food and pharmaceutical applications

5. 3051CFA/CFC Flow

CFA (Annubar): Averaging Pitot Tube Flowmeter; large pipe diameters (50–2440 mm)

CFC (Compact Orifice): Integrated Orifice Plate; easy installation

II. Key Performance Parameters

Accuracy: Standard ±0.075%; Reference Class 3051P reaches **±0.04%**

Turndown Ratio: Up to 150:1 (S Series: 200:1); covers a wide range of operating conditions

Long-Term Stability: ±0.2% of URL over 10 years; minimizes the need for frequent calibration

Static Pressure Limit: 3051H model up to 250 bar; suitable for high-pressure differential pressure applications

Output / Communication:

Standard: 4–20 mA + HART (compatible with Rev 7/5)

Optional: WirelessHART, FF Fieldbus, PROFIBUS PA, Low Power 1–5 V