Metravi 1000 V Digital Insulation Tester is a testing device ideal for testing circuits and transformers' electrical parameters. The 1000 V Digital Insulation Tester is a safety device that tests the electrical parameters and prevents various electrical shocks and fuses. The Digital Insulation Tester's face components include a 3½ digital display with Backlight LCD, knobs for fixing the test leads and batteries. Insulation Tester has various features. The insulation tester's digital display contains 3999 counts, Auto-ranging for Insulation Resistance up to 40G, LED light for indicating high voltage output status and can display actual insulation test voltage. Product Attributes: AC/DC Current: 400 mA Brand: Metravi Name of the Product: Digital Insulation tester Insulation Resistance: 40 GOhm Model: DIT 321 Test Voltage Range: 250/500/1000 V Accuracy: ± 0.8% Item Weight: 650 g Dimensions : 17 x 15.6 x 6.4 Centimetres