Amprobe AMC-3

Tests insulation of wires, cables, transformers and electrical motors
The test voltage is obtained by means of a hand cranked, constant voltage generator
Does not require batteries or any external power supply, always ready for use
Sensitive ohmmeter for checking resistance of motor windings
Guard terminal eliminates effect of any surface leakage that may influence readings
Light and smooth operating crank
Rugged cross coil movement
High impact housing
Spring loaded terminal connection