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Models

651, 681

Ranges

0 to 4000 psi, 0 to 275 bar; -40° to 400°F, -40° to 204°C

Certifications

IECEx, CSA, FM, INMETRO, RTN

Warranty

3 Years

The 651 single point RF level switch provides basic, single-point switching for use as an alarm or level indication. It’s virtually immune to process coatings on the probe, making it a useful solution for many tough level applications. With no moving parts, the 651 single point switch with self test is well-suited for applications where other technologies struggle with accuracy.

  • Low cost
  • Single-point switch for alarm applications
  • Pressure from vacuum to 4000 psi, temperature from -40°F to 400°F
  • Relay and current shift (8/16mA) output available
  • A variety of probe configurations are available to meet most application conditions

Additional materials