Megger 1006-719 mit400/2 Insulation & Continuity Tester Your unit is calibrated prior to shipment with a new nist-traceable calibration certificate with data The nist calibration provides you assurance your instrument meets manufacturers specifications. Your instrument is ready to use day one meeting most quality system standards Designed for electrical and industrial testing Insulation testing up to 1000 V and 200 G&Omega; range Stabilized insulation test voltage