... calculate and display PI (polarization index) & DAR..Supports insulation analysis by Polarization Index (PI), Dielectric Absorption Ratio (DAR), ... .Accessories: temp probe, AC adaptor/charger,interface wire & software, carrying bagOrder Information.Instrument, 1 piece.LR14 alkaline battery, ... Black and Blue) 1 for each,each 3 meter.Data Analysis Software, 1 piece.Crocodile clip (red, black, blue),each ...