Level monitoring of conductive liquids, positive safety logic when filling and pumping out, sensitivity adjustable. Double insulation between power supply and contacts. Power supply and probes, contacts and probes. Sensitivity adjustable between 5 and 150 kOhm. Delay times: 0.5 or 7 s. Function (filling or pumping out) selectable via rotary switch on the front. Modular design for 35 mm DIN rails, LED status display, 16 A
