MIT420/2 Insulation TesterMIT420 2 Insulation & Continuity Tester 50 100 250 500 1000V + 600 V CAT IV + PI & DAR, variable voltage, storage recall Insulation testing up to 1000 V and 200 G range Stabilised insulation test voltage (New) Single range, faster continuity testing from 0. 01 to 1 M (New) 600 V T RMS AC and DC voltage measurement Live circuit detection and protection User variable insulation test voltage from 100V to 1000V (New) depending on model Test result storage