The Rosemount 2051C Pressure Transmitter is one of Emerson’s most trusted solutions for accurate, stable, and repeatable pressure measurement in industrial environments. Engineered for reliability and long-term performance, it is widely used across oil & gas, chemical, power generation, water treatment, and process automation applications. With advanced diagnostics, proven sensor stability, and multiple configuration options, the 2051C gives plants the measurement confidence needed for safe and efficient operations.
What Is the Rosemount 2051C?
The Rosemount 2051C is a compact, high-performance pressure transmitter designed to measure:
Gauge Pressure
Absolute Pressure
Differential Pressure (2051CD version)
The 2051C is built with Emerson’s capacitive sensor technology, delivering fast response, exceptional accuracy, and long-term stability even under harsh operating conditions.
Key Features That Make the Rosemount 2051C Stand Out
1. High Accuracy & Stability
The transmitter offers accuracy up to ±0.065% of span, ensuring dependable measurement in critical loops like pump control, filtration, reactor pressure, and process monitoring.
Its long-term stability reduces drift, calibration frequency, and unwanted downtime.
2. Rugged, Compact & Durable
The 2051C is designed to handle aggressive process conditions such as:
High temperature
High pressure
Corrosion
Vibration
It is built with robust housings and a compact footprint, making it easy to install in tight or complex piping systems.
3. Advanced Digital Communication
The 2051C supports:
HART® protocol
Optional FOUNDATION Fieldbus and PROFIBUS PA (depending on configuration)
This allows seamless integration with modern control systems and advanced diagnostics for predictive maintenance.
4. Multiple Configuration Options
The transmitter is customizable with:
A wide range of pressure ranges
Flange, manifold, and direct-mounted connections
Remote seals for challenging media
Integral LCD display
This flexibility makes it suitable for diverse industrial applications.
5. Low Total Cost of Ownership
The combination of stable performance, reduced recalibration, easy installation, and Emerson’s proven reliability results in lower lifecycle costs—something every engineering and maintenance team values.
Applications of Rosemount 2051C Pressure Transmitter
Oil & Gas
Pump discharge monitoring
Separator pressure
Wellhead control
Gas compression systems
Chemical & Petrochemical
Reactor vessel pressure
Heat exchanger monitoring
Process lines with corrosive media
Water & Wastewater
Filter and membrane pressure
Pump stations
Sludge and chemical dosing systems
Power Generation
Boiler feedwater pressure
Condenser vacuum monitoring
Cooling water systems
Food & Beverage
Sanitary process lines
Storage tank pressure
CIP and SIP systems (with appropriate seals)
Benefits for Plant Operation
✔ Precision in Critical Loops
Stable pressure measurement improves process consistency and product quality.
✔ Enhanced Plant Safety
Accurate readings help prevent overpressure events and equipment damage.
✔ Maintenance Optimization
Digital diagnostics and long-term stability reduce manual intervention.
✔ Scalability & Flexibility
Multiple mounting and electronic options allow the same device family to be used across the plant.
Why Plants Prefer the Rosemount 2051C
Operators choose the 2051C because it delivers:
Reliable performance
Proven Emerson quality
Easy commissioning
Compatibility with modern automation systems
Long-term return on investment
It remains one of the most widely deployed pressure transmitters for both new installations and retrofits.
Final Thoughts
The Rosemount 2051C Pressure Transmitter is built for industries that demand accuracy, reliability, and seamless integration. Its strong performance, versatile configuration options, and advanced diagnostics make it a dependable choice for both simple and complex pressure measurement tasks.
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