... .01 M to 10 G ohmsInsulation test voltage: 50 V, 100 V, 250 V, 500 V and 1000 V, suitable for a variety of applicationsPass / fail ... K.Precision+ (1.5% + 3)Overload protection2 V RMS or DCOpen-circuit voltage test:< > 4 V, 8 VShort circuit current:> 200 mAInsulation technology ... M to 10 G.The test voltage50 V, 100 V, 250 V, 500 V, 1000 VThe test voltage accuracy:20% 0%Current short circuit test ...