The SK75-PE is a 75 m long PE measuring probe with replaceable test probe and bayonet crocodile clip, developed as an accessory for the PROFITEST PRIME test device. It is suitable for standard-compliant measurement of protective conductor resistances (RLO, RISO) and can carry currents of up to 25 A for short periods (10 s load), designed for 300 V CAT IV and 16 A continuous current.