Fluke 1550C Insulation Resistance Tester 5 kV, with measurement storage and PC interface Selectable test voltages in 50 V steps from 250 to 1000 V, and 100 V steps above 1000 V Measurements can be stored in up to 99 memory locations, with each location assigned a unique, user defined, label for easy recall Long battery life gives the user over 750 tests between charges Automatic calculation of Dielectric Absorption (DAR) and Polarization Index (PI) with no additional setup Capacitance and leakage current measurement