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Rosemount™ 2051L Wireless Level Transmitter
Rosemount 2051L Wireless Level Transmitter provides level measurements with a variety of process connections, materials and WirelessHART®technology.
The SmartPower™ module of this wireless device provides up to 10-year, maintenance-free operation as well as field replacement. For improved performance over traditional installations, this transmitter has Tuned-System™ assembly and direct mounting options.
Rosemount™ 2051L Wireless Level Transmitter


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
Seal System Type
Direct Mount, Tuned-System
Transmitter Connection
Process Connection
Process Wetted Material
316L SST, Alloy C-276, Tantalum
Basic Diagnostics
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)


  • WirelessHART® technology is secure, cost-effective and delivers >99% data reliability
  • Tuned-System Level assembly and direct mounting produce optimal performance for level applications
  • Optimized seal system construction ensures a quality measurement in harsh process conditions
  • SmartPower module provides up to 10-year maintenance-free operation and field replacement without transmitter removal
  • Easy installation enables quick instrumentation of measurement points without the cost of wiring