The KAR/SA/3W is a cable probe intended for level measurement in pressurised tanks and for aggressive media, such as ammonia. The materials of the wetted parts of the probe’s sensing element consist of PFA, PTFE and acid-proof steel AISI 316. The material of the gasket between probe and tank is aluminium. The measurement is based on the variation of the probe’s capacitance as a function of level. The probe is apparatus of equipment group II, category 1 G (Directive 2014/34/EU) and can be installed in Zone 0/1/2 hazardous area.