Flow meters, controllers, and chart recorders

K-TEK Vibrating Fork Level Switch

K-TEK Vibrating Fork Level Switch K-TEK Vibrating Fork Level Switch

Vibrating Fork Level Switch RS85

The Resonator utilizes a piezoelectric driven tuning fork that exhibits a large change in resonant frequency when immersed in any liquid. A "smart" microprocessor-based electronic unit keeps the sensor in a resonant state as it changes from dry to wet or wet to dry.


  • Direct Replacement for Ultrasonic Gap Switches, RF Capacitance Switches, Float Switches and Other Technologies 
  • Immune to Coating or Build-Up on Sensor 
  • Robust Sensing Element 
  • ¾” and 1” (NPT, BSPT) Process Connections 
  • Choice of International Flanges and Range of Tri-Clamp Fittings and Probe Finishes
    • Temperatures between -40oF to 350oF (-40oC to 177oC) with HT6 High Temp Ext. 
    • Pressures to 2000 psig (138 bar) 
    • Viscosity up to 20000 cP 
    • Density from 0.45 to 2.0
  • Single or Dual Compartment Housing with Viewing Cover 
  • Field Selectable Parameters with External Magnet or Internal Pushbuttons (Fail Safe, Density, Time Delay) 
  • Modular Electronics with Alarm Status LED 
  • Self-Test Diagnostics 
  • Extended Probe Lengths to 120 in (3048 mm)


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