Differential Pressure Level Transmitter

Revolutionize your inventory monitoring and process control with the Rosemount 3051SAL Wireless Level Transmitter. This device transforms standard level measurement by merging the industry-standard Rosemount 3051S pressure platform with secure WirelessHART® technology. It is specifically engineered to replace high-maintenance wet legs and capillary systems, providing a high-performance differential pressure level transmitter solution that eliminates the costs and complexities of physical wiring. Whether for remote tank farms or intricate processing units, the 3051SAL delivers precise data to your control system with >99% network reliability.

Core Advantages & Technical Highlights

Tuned-System™ Architecture: The 3051SAL utilizes an innovative asymmetrical seal design that combats temperature-induced errors. By reducing fill fluid volume, it improves response time by up to 80% and reduces drift by 10-20% compared to traditional balanced systems.
Wireless Flexibility: Operating on the IEC 62591 (WirelessHART®) standard, this transmitter allows for rapid deployment in hard-to-reach locations. The self-organizing mesh network ensures data integrity even in obstructed industrial environments.
Maintenance-Free Operation: With an all-welded, hermetic SuperModule™ design, the device resists vibration and corrosion, backed by a 15-year stability guarantee and a 10-year power module life.
Enhanced Safety: Certified for SIL 2/3 applications, it offers advanced diagnostics to detect abnormal process conditions before they escalate.

Applications and Industry Suitability

The Rosemount 3051SAL is the superior choice for chemical reactors, separator vessels, and stock tanks involving corrosive or viscous fluids. Its broad compatibility with hygienic, flanged, and threaded connections (including 3-A® and EHEDG standards) ensures seamless integration into existing infrastructure. When selecting a differential pressure level transmitter for applications requiring vacuum protection or extreme temperature resilience (-157°F to 770°F), the 3051SAL stands out by delivering consistent accuracy without the drift inherent in impulse piping.

Product Specifications

Parameter	Specification
Max. Operating Pressure	Up to 10,000psi (689.48 bar)
Process Temperature Range	Based on fill fluid - Maximum 770°F (410°C), Minimum -157°F (-105°C)
Communication Protocol	WirelessHART®
Seal System Type	Direct Mount, Remote Mount, Tuned-System, Balanced System
Transmitter Connection	Welded-Repairable, All Welded
Process Connection	Flanged: ANSI/ASME, EN/DIN, GOST, & JIS Threaded: NPT, DIN, ISO Hygienic
Process Wetted Material	316L SST, Alloy C-276, Alloy 400, Tantalum, Gold-plated Alloy 400, Gold-plated 316L SST, see full specs for complete list of materials
Diagnostics	Basic Diagnostics, Loop Integrity, Process Intelligence, Plugged Impulse Line
Certifications/Approvals	NACE®, 3A, 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	Long range (225 m), extended range (800 m), remote (225 m) and high-gain remote (1 km)

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