... Voltage Digital Insulation Tester Test Voltage Range DC250V~5KV Insulation Resistance 0.01M~5T Ohm Good quality MS5215 High Voltage Digital Insulation TesterFeatures·Checking the insulation of high-voltage ... Voltage Range DC250V to DC5KV·Voltage Set: Wide adjust: 250V, 500V, 1000V, 2.5kV, 5kV Fine adjust: 250V to 1kV, step 25V, 1kV to 5kV, step 100V ...