Rosemount 2051cd Level Transmitter

Engineered for industry-standard performance and reliability, the rosemount 2051cd level transmitter provides a cost-effective solution for your differential pressure and level measurement needs. By leveraging the secure and robust WirelessHART® technology, this transmitter eliminates the complexities of traditional wiring, allowing for rapid deployment in remote or hard-to-reach locations. It delivers stable, accurate data that helps operators monitor tank levels and process conditions with confidence, ensuring operational safety and efficiency while minimizing installation costs.

Key Features and Benefits

Wireless Flexibility: Utilizes the IEC 62591 (WirelessHART®) standard to deliver >99% data reliability, enabling you to add measurement points quickly without the expense of cabling.
Coplanar™ Platform: The patented Coplanar design allows for direct mounting to manifolds and diaphragm seals, reducing potential leak points and simplifying installation.
High Accuracy & Stability: Offers reference accuracy of up to 0.05% of span and a rangedown of 100:1, ensuring precise monitoring even in dynamic process environments.
SmartPower™ Module: Features a long-lasting power module that provides up to 10 years of maintenance-free operation and can be replaced in the field without removing the transmitter.
Intuitive Interface: Equipped with a Local Operator Interface (LOI) for easy commissioning and configuration directly at the device.

Industry Applications and Technical Specifications

The rosemount 2051cd level transmitter is extensively used in industries such as chemical, oil and gas, and power generation where monitoring hydrostatic pressure and differential pressure levels is critical. It is ideal for open or closed tank applications and supports a variety of wetted materials like 316L SST and Alloy C-276 to withstand harsh media. With SIL 2/3 certification (IEC 61508), this device is integral to Safety Instrumented Systems (SIS), providing the diagnostic data needed for predictive maintenance and helping facilities achieve rigorous safety compliance.

Product Specifications

Parameter	Specification
Max. Operating Pressure	Up to 300 psi (20,68 bar)
Process Temperature Range	Based on fill fluid - Maximum 401°F (205°C), Minimum -157°F (-105°C)
Communication Protocol	WirelessHART®
Seal System Type	Direct Mount, Tuned-System
Transmitter Connection	Welded-Repairable
Process Connection	Flanged: ANSI/ASME, EN/DIN, JIS
Process Wetted Material	316L SST, Alloy C-276, Tantalum
Diagnostics	Basic Diagnostics
Certifications/Approvals	NACE®, hazardous location, see full specs for complete list of certifications
Update Rate	1 sec. to 60 min., user selectable
Power Module Life	Up to 10-year life, field replaceable (order separately)
Wireless Range	Internal antenna (225 m)

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