IdOIL-20-OS for Oil Interface and Sludge Detection
The idOil-20 is an easy to use oil separator alarm control unit that offers all necessary basic features. It can be equipped with up to three different types of idOil sensors that are identified automatically with a one-touch commissioning feature.
In these situations, an integrated alarm buzzer will sound, the display will show the alarm information and the relays will switch.

For different idOIL-20 models see the below;
Oil interface and sludge use the idOIL-20-OIL
Oil interface, sludge, and high level use idOIL-20-LOS