Megohmmeter `` MOM-3 ''.

Instruments for adjusting and controlling the PTA.Megohmmeter "MOM-3" (later "E6-2") has been produced since 1963. It is designed to measure high-resistance electrical resistance of conductors and insulators in the range from 1 kΩ to 10.000 MΩ. The megohmmeter is powered by an alternating current of 127 or 220 V industrial frequency. Power consumption 40 watts. The device was produced in three modifications. Photos by Oleg Volkov, Moscow.