... Auto-calculate and display PI (polarization index) & DAR..Supports insulation analysis by Polarization Index (PI), Dielectric Absorption Ratio (DAR), step voltage ... at 15 sec or 30 sec.Power consumption: 15VA (by adaptor) / 6VA (by batteries).Batteries: 1.5Vx6, LR14; rechargeable NiMH 7.2V ... ,Black and Blue) 1 for each,each 3 meter.Data Analysis Software, 1 piece.Crocodile clip (red, black, blue),each ...