Benning IT 100 insulation and resistance tester. For insulation and low-resistance measurements on electrical systems, devices, cables, motors and generators. Digital display. Multiple display. With screen backlighting. Measurements: Lowest resolution DC voltage 10 mV. Max. Voltage measuring range DC 600 V. Lowest resolution AC voltage 10 mV. Max. Voltage measuring range AC 600 V. Lowest resolution resistance 0.1 Ohm. Max. Resistance measuring range 0.6 MOhm. Insulation resistance measuring range 0.3 MOhm - 20000 MOhm. Nominal test voltage 50 V. Nominal test voltage 100 V. Nominal test voltage 250 V. Nominal test voltage 500 V. Nominal test voltage 1000 V. Low-resistance measurement up to 40 Ohm. Resistance measurement with 200 mA test current for testing protective conductor connections. Polarisation index (PI). Dielectric absorption rate (DAR). Special features: Red LED for test/external voltage, no test start possible when external voltage is present, zero adjustment of the test leads up to 2 ?, lock function for continuous insulation and low-resistance measurement, display illumination can be set to temporary or permanent, automatic saving of the last measurement function (V AC/ V DC, resistance / continuity test), continuity test with acoustic signal, self-test of the internal fuse. Automatic measuring range selection. Measuring circuit category Cat IV. Max. Max. voltage measuring circuit category 600 V. Includes bag, test leads, crocodile clips, rubber protection frame, 4 x 1.5 V Mignon/ AA/ LR6 battery, fuse 0.315 A (757213)