Complex Of Electrical Operations: Measurement Of The Resistance Of Grounding Devices Of Vestations, Checking Of The Transitional Resistance Of The Circuit Between The Grounding Grounds And Equipment, Measuring The Insulation Resistance In Electrical Installations, Electrical Equipment And Electrics To 1000 V (Pair Of Wires). Current Collector (Automatic) 3-Pole, Measurement Of Full Resistance Of The Loop "Phase-Zero", In Equipment Up To 1000 V, Current Collector (Automatic), Measuring Current And Time Of Operation Of The Rom (Dif.