- Control of presence or not of conductive liquid on the floor
- Monitoring in technical room, computer room, etc.
- Detection in retention basins, underground cable trays, etc.

The resistive level detector, associated to a resistive relay, detects the variation of resistor value caused by the presence of a conductive liquid between two electrodes. This variation generates an alarm signal via a resistive relay.

With the integrated resistor (680 kOhm), the ES5000 relay secures the detection loop by detecting any cable break or short circuit.