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Float Level
Magnetic Tracking

Single point as well as multi point float level switches use hermetically sealed reed contacts that are actuated by a magnet in the rising or descending float. As the float rises and falls, the magnetic field causes the switch inside the stem to open or close.

These switches are available as single or in multi float configurations for a multiple alarm setpoints activation. Switches can be supplied as normally open as well as normally closed and are typically used for pump control. 


  • Liquids with min. 0.5 kg/dm3 or 0.8 kg/dm3 density
  • Multi-point level switch in closed tanks
  • Chemicals with dense vapour or gas layer above the surface
  • Foaming liquids

  • Operation without power supply
  • Reed switches separated from process
  • Wetted parts stainless steel or plastic
  • Up to 5 switch points
  • Vertical adjustability of all switch points
  • Various process connections
  • Explosion-proof models