Starting at $2,912.32
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  • World's only wired HART vibrating fork level detector
  • Pressure rating from VAC to 1450 psig at 122 °F (100 barg at 50 °C)
  • Temperature rating from -40 to 302 °F (-94 to 500 °F optional)
  • Threaded, flanged, or Tri Clamp process connections
  • Extended fork lengths Up to 157.5 in. (4,000 mm)
  • Safety Instrumented Systems IEC 61508 certified to SIL 2
  • Output: Loop-powered 4-20mA HART(configurable)
  • Excellent diagnostics coverage enables true predictive maintenance
  • Virtually unaffected by turbulence, foam, vibration, solids content, coating products, and liquid properties
  • Adjustable detection output delay prevents false detection in turbulent or splashing applications


The Rosemount 2140 is a vibrating fork level switch for applications including overfill prevention, high and low level alarms, and pump protection. Utilizing the wired HART® protocol, the 2140 can be easily integrated into automated systems without the need for additional wiring. Switch easily between HART 5 and HART 7 to further meet requirements. Providing reliable level detection of all liquids as well as sediments, the Rosemount 2140 offers greater ease-of-use and flexibility with smart diagnostics that continuously monitor electronic and mechanical device health, and a fully integrated remote proof-testing capability, helping to increase safety and efficiency of both plant and workers. The Rosemount 2140:SIS is certified to IEC 61508 (SIL 2) for safety-critical applications.