24h Support 100% Output control Long life span Product reproducibility

For emergency situations of jams and malfunctions, use our 24-hour production of temperature sensors and measurement and regulation equipment. While you are on your way to us, we are already working. Find out more >

We guarantee you 100% output control of ELPRO temperature sensors.Find out more >

We follow the principles of sustainability, so we design and manufacture in such a way that we can calibrate, repair, recycle, reuse. Find out more >

We store data, sketches and specifications about temperature sensors permanently, so they can be repeated in 1, 10, 20 years. Find out more >

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Capacitive relays

Capacitive relays from the German manufacturer JOLA operate according to the capacitive measuring principle. Used to detect electrically non-conductive liquids.
Electrically non-conductive liquids are e.g. heating oil, petrol and diesel.