BRAND : Nohken
FE2 FE22 FE7 FE8
FE2 FE22 FE7 FE8
The sensor operates in combination with a relay unit.
Without conductive liquid between electrodes, no current flows. With conductive liquid between electrodes, current flows.
The relay opens or closes its contacts depending on the presence or absence of the current. The relay unit RE7000 supplies small alternating current, so the sensor offers long service life without erosion.