Vibrating Rod Point Level Switch for Solids


trumenVibrating rod is a single element tunned mechanical element-type level sensing device.

Electronics of LSV-R excites the piezo-electric-crystals inside the tuning rod, which makes the rod vibrate at it’s natural resonance frequency in free air.

trumenWhen Material touches the rod, vibration stops as resonance gets disturbed.

trumenAmplitudes of vibration are above threshold when rod is free to vibrate.

trumenAmplitudes of vibration, as sensed by the electronics falls below the threshold, Materials presence is thus detected by observing the amplitude of vibration.


  • Free flowing powders and granules.
  • Suitable for side as well as top mounting.
  • Minimum and maximum fail safe field selectable.
  • Process temperature max 200 ºC.
  • Process pressure max. 15 bar.


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