Measuring range of insulation resistance: test voltage 100 V: 0, 1 MOhm 99, 9 MOhm (3%+5) 100 MOhm 500 MOhm (5%+5) test voltage 250 V: 0.5 MOhm 99.9 MOhm (3%+5) 100. MOhm 99. 9 MOhm (5%+5) 1 GOhm 1.99 GOhm (5%+5) test voltage 500 V: 1 MOhm 99.9 MOhm (3%+5) 100 MOhm 999 MOhm (5%+5) 1 GOhm 3, 99 GOhm (5%+++5% + 5) Test Voltage 1000 V: 2 MOhm 99, 9 MOhm (3%+5) 100 MOhm 999 MOhm (5%+5) 1 GOhm 10 GOhm (5%+5) test current: 1 mA 1.2 mA short circuit current: other measuring ranges.

DC voltage DC: 30 1000 0 V ( 2 AC voltage AC: 30 750 V (2%+3) Small resistances: 0.1 ohm 999, 9 ohms (1%+3) Additional functions: automatic measurement range change dielectric absorption test polarisation index comparison function battery warning high voltage.

Warning LCD backlight buzzer analogue bargraph: 30 segments automatic automatic My power supply: 8 x batteries 1.5 V (LR14). Display: 123 x 58 mm. Product dimensions: 202 x 155 x 94 mm. Weight: 1.2 kg. Box contents: 3 x test leads with crocodile clips, batteries, case.