Liquid Level Sensing Using Reed Switch Technology

Posted on Monday, April 25th, 2016

When measuring discrete levels of liquids, such as automobile brake fluid, reed switch technology is simple, inexpensive, and reliable. A magnet mounted on a float closes an adjacent magnetic reed switch as the magnet approaches. Typically, the reed switch is mounted in a plastic or non-magnetic metal tube, and a ring magnet mounted on a float rides up and down the tube on the liquid surface.  This is just one of the many examples of using reed switches for liquid level sensing. 

Please see the product information and applciation notes below for more information.

Liquid Level Sensing Product Information

Liquid Level Sensing Application Notes

For part numbers and data sheets:

CT05 Reed Switches

CT10 Reed Switches

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