Liquid-level switches used in aircraft, nuclear-power plants, medical equipment, and other critical applications must be precise and reliable. For that to happen, design engineers must know the ...

Sometimes we need a non-contact liquid level sensor. There are several ways to build that, but the easiest is to try an optical liquid level sensor. You may already have an idea in mind since you are ...

The electromechanical devices operate with a float containing a permanent magnet riding on the surface of a liquid. A stem containing a reed switch is actuated by the magnet and guides the float ...