... current: 3 mA USB 2.0, Graphic Windows Software Application:This meter is an insulation resistance tester with broad ... display PI (polarization index) & DAR..Supports insulation analysis by Polarization Index (PI), Dielectric Absorption Ratio (DAR), step voltage measures, temperature ... 3 meter.Data Analysis Software, 1 piece.Crocodile clip (red, black, blue),each for one. 5KV Digital Insulation Tester