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Liquid Level Reed Sensor
  • A float with a magnet rises and falls with liquid level
  • The magnet activates a reed switch when in close proximity

Coolant Truck GIF

Defining a liquid level reed sensor is quite simple. There is a float that rises and falls with the level of a liquid. The float can only float up and down in a controlled orientation. When the float reaches the detection point, whether it was rising or falling, it will activate a reed switch that is in close proximity to the float. When the float moves away from the reed switch, the contacts will open.

PTM Published on: 2012-02-07