Also this device can be referred to: M-163, M 163.
M163 megaohmmeter shield with measuring unit magnetoelectric system designed to measure the resistance of alternating current.
Dimensions - 135×135×175 mm.
Accuracy class - 2,5.
Vibration and shock resistance.
Measuring range - 0 to 2 MOhm.
Display type M163 - an arrow.
Scale position - vertical.
Insulation test voltage measuring circuit - 2 kV.
Method of mounting - mounting on the panel.
Mains voltage - 127 V.
Supply frequency - 50 Hz.
Mass M163 - not more than 3,2 kg.
The torque created by the interaction of the arrow between the field permanent magnet and a current which passes through the winding frame. Megaohmmeter M163 with frame connected to an arrow that moves on the scale. Rotation angle of the arrow is set at equal torque and torque spring.