... 1,Simple operation 2,direct display 3,all euquipments for LIB insulation resistance tester is widely used in testing ... is the spec for insulation resistance tester: FeaturesSimple operation,direct displayFast measurement speed,wide resistance measurement range Fail alarm with ... 10V,25V,50V,100V,250V,500VVoltage Accuracy 2%Resistance Measurement Range 105Ω—1013ΩResistance Accuracy <1012Ω 5% ≥1012Ω 10 ...