Microvoltmeter `` V3-40 ''.
Instruments for adjusting and controlling the PTA.Microvoltmeter "B3-40" has been produced since 1976 by the Tallinn plant "Punane RET". Designed to measure sinusoidal alternating voltage in the range from 10 μV to 300 V. Frequency range from 5 Hz to 5 MHz. Input impedance 4 MΩ. Power consumption 15 VA. The dimensions of the device are 152x206x300 mm. Weight 7 kg.
