All-Test Pro's Handheld Motor Genie AC Meter
All-Test Pro’s handheld Motor Genie troubleshoots low-voltage AC induction motors for insulation-to-ground faults, internal winding faults, phase unbalance, bad cables or connection and contamination. It measures impedance, phase angle, current/frequency response and insulation-to-ground resistance (500V or 1,000V). It weighs 1 lb. and comes with rechargeable batteries and a charger.