The resistance between two measurement electrodes changes due to the presence or absence of a product. In single rod probes, the electrically conductive metal deposit acts as a counter electrode.
PRODUCTS

Liquipoint FTW31
Rod probe for multipoint detection for up to 5 switching points.

Liquipoint FTW32
Cable probe for multipoint detection for up to 5 switching points.

Liquipoint FTW33
Compact flush mount detection probe.

Probe 11371
Level detection electrode in tanks with conductive liquid products.

Nivotester FTW325
Switch module for conductive detection probe.