IRT3 Insulation Resistance Tester

The IRT3 is an affordable, rugged Megohmeter used to check motor and generator windings, power transformers, and electrical lines. Its multiple output ranges make it suitable for a wide variety of applications. AC Voltage Measurement to 600 Volts. Insulation resistance readings from 0 to 400 Megohms. Three test-voltage ranges (250, 500, 1000 V DC).