Volt-milliammeter `` M-193 ''.

Instruments for adjusting and controlling the PTA.Voltmilliammeter "M-193" since 1952 produced the Leningrad plant "Vibrator". The M-193 volt-milliammeter is a portable laboratory multi-range device of a magnetoelectric system with a shadow pointer and direct reading, designed to measure the magnitude of direct current and voltage. The device, having high sensitivity and low power consumption, finds application in measurements in low-power circuits in laboratories or workshop practice.