Supco M500 Insulation Tester / LED Megohmmeter D99182 The Dirt Bag is the

The Dirt Bag is the best way to ensure you catch every metal shaving before it gets lost in your electrical panel

Overall Length:  6" (152 mm)

Waterproof (IP67) and dustproof

It measures resistance

Supco M500 Insulation Tester / LED Megohmmeter D99182 The Dirt Bag is theSupco M500 Insulation Tester LED Megohmmeter This reliable, battery operated instrument, complete with LED indicators, will accurately measure insulation values up to 1000 Megohms at 500 volts and also indicate the condition of insulation on the zone scale. Full range scale up to 1000 Megohms Zone scale to indicate condition of insulation Operates on 2 "C" batteries (not included) Impact resistant thermoplastic case Operating manual included Test