Universal avometer `` School ''.

Instruments for adjusting and controlling the PTA.The universal avometer "Shkolny" has been produced by the "Fizelektropribor" Plant since the 1st quarter of 1950. Universal measuring device (avometer) - "School" is designed to measure DC voltage, from 0.2 to 500 volts; AC voltage of low frequency from 0.2 to 500 volts; direct current strength, from 10 μA to 0.5 A; AC current from 100 μA to 0.5 A; resistance, from 1 ohm to 2 megohms. The measuring ranges are divided into four scales. When measuring resistances, power is supplied from 3 elements FBS-0.25. Dimensions of the `` School '' device - 230x160x90 mm. Weight 1.3 kg.