3051CD Digital Pressure Transmitter

3051CD Digital Pressure Transmitter

The Rosemount 3051CD Digital Pressure Transmitter is a high-precision differential pressure device designed to enhance process performance with industry-leading accuracy (up to ±0.04% of span), long-term stability, and flexible output options including 4–20 mA with HART®, WirelessHART®, and digital protocols. Built on the Coplanar™ platform, it supports seamless integration with manifold systems and is suited for demanding applications such as flow, level, and pressure measurement in industries like oil and gas, power, and water treatment. It also features advanced diagnostics, remote configuration capabilities, and SIL 2/3 safety certifications.

Applications for the Rosemount 3051CD Digital Pressure Transmitter, now structured using paragraph numbers for clarity:

1. Flow Measurement: The 3051CD is commonly used in conjunction with primary flow elements like orifice plates or averaging pitot tubes to determine flow rates of gases, liquids, and steam by measuring differential pressure.

2. Level Measurement: It measures liquid levels in pressurized and atmospheric tanks by comparing pressures from different points in the vessel, delivering precise level readings even in challenging environments.

3. Filter Monitoring: By tracking pressure drops across filters, it helps determine when maintenance or replacement is required, ensuring optimal system performance and avoiding process disruptions.

4. Equipment Diagnostics: Pressure data from the 3051CD supports predictive maintenance by identifying issues with pumps, valves, or pipelines before they lead to costly failures.

5. Energy Optimization: In steam or compressed air systems, it contributes to energy efficiency tracking, helping facilities monitor consumption and identify leaks or inefficiencies.

6. Industry Versatility: The transmitter is widely used in oil & gas, chemical processing, power generation, water & wastewater, and pharmaceuticals—delivering reliable measurements in both standard and hazardous environments.

Frequently Asked Questions – Rosemount 3051CD

1. What type of pressure does the 3051CD measure?

It measures differential pressure (DP), ideal for flow, level, and filter monitoring applications.

2. What is the accuracy of the 3051CD?

It offers up to ±0.04% of span accuracy, making it suitable for high-precision applications.

3. What output protocols are supported?

The transmitter supports 4–20 mA with HART®, WirelessHART®, FOUNDATION™ Fieldbus, and PROFIBUS® PA.

4. Is the 3051CD SIL certified?

Yes, it is SIL 2/3 certified, making it suitable for safety-critical installations.

5. Can it be used for level measurement?

Absolutely. It’s commonly used in pressurized or open tanks to measure liquid levels via differential pressure.

6. Does it support remote configuration?

Yes, with Bluetooth® connectivity (optional), users can configure and diagnose the device wirelessly.

7. How stable is it over time?

It provides ±0.2% of URL stability over 10 years, reducing the need for frequent recalibration.

8. What is the turn-down ratio?

It supports a turn-down ratio of up to 150:1, offering wide rangeability.

9. Is it compatible with diaphragm seals and manifolds?

Yes, the 3051CD is built on the Coplanar™ platform, allowing seamless integration with Emerson’s manifold and seal systems.

10. Is factory calibration included?

Yes, Emerson fully calibrates the transmitter at the factory, with optional field calibration available.