New Original 3051CG 2 Wire Pressure Transmitter

The Rosemount 3051CG is a 2-wire Coplanar™ Gauge Pressure Transmitter designed for precise and reliable gauge pressure measurement in industrial applications. It features Emerson’s patented Coplanar platform, allowing seamless integration with manifolds and remote seals. With a reference accuracy of ±0.04% of span, 10-year stability, and a 150:1 turndown ratio, the 3051CG delivers high performance across a wide range of pressures. It supports 4–20 mA HART®, WirelessHART®, and FOUNDATION™ Fieldbus protocols, making it ideal for process control systems that demand both flexibility and diagnostic insight. Its compact design, SIL 2/3 certification, and advanced diagnostics like Loop Integrity and Plugged Impulse Line Detection make it a trusted choice for safety-critical and space-constrained installations.

Specifications:

Selection Tips

1. Choose 3051CG for general-purpose air/gas pressure monitoring.
2. Use 3051CD when you need to measure pressure differences (e.g., across filters or orifice plates).
3. Opt for 3051HT in sanitary or clean-in-place (CIP) environments.

Applications:

Packing:

Frequently Asked Questions – Rosemount 3051CG

1. What does the 3051CG measure?

It measures gauge pressure, which is pressure relative to atmospheric pressure, using Emerson’s Coplanar™ platform for flexible integration.

2. What is the pressure range?

It supports a wide span—from 25 inH₂O to 2000 psi (1.72 mbar to 137.89 bar), depending on the selected sensor range.

3. What is the reference accuracy?

It offers ±0.04% of span accuracy, with a 150:1 turndown ratio, ensuring precise performance across a wide range of applications.

4. What output protocols are available?

1. 4–20 mA HART®
2. WirelessHART®
3. FOUNDATION™ Fieldbus

5. What mounting style does it use?

The 3051CG uses a Coplanar flange, allowing direct mounting to manifolds or remote diaphragm seals.

6. What are typical applications?

1. Tank level monitoring
2. Pump discharge pressure
3. Hydraulic and pneumatic systems
4. Process pressure in sealed systems

7. Is it SIL certified?

Yes, it is SIL 2/3 certified per IEC 61508, making it suitable for Safety Instrumented Systems (SIS).

8. What diagnostics are included?

It features:

1. Loop Integrity Diagnostics
2. Plugged Impulse Line Detection
3. Advanced Process Alerts

9. Can it be configured locally?

Yes. Models with a graphical LCD support local configuration via external buttons—even in hazardous areas.

10. How does it differ from the 3051CD0?

1. 3051CG: Measures gauge pressure, broader range, general-purpose
2. 3051CD0: Measures ultra-low differential pressure (±3 inH₂O), ideal for cleanroom and HVAC applications

Models of 3051CG Transmitters: