UT502A Auto discharge 2000 count LCD display, overload indication, backlight AC voltage measurement, auto power o? PI and DAR measurement, auto resistivity calculation Low resistance returning to zero function to improve accuracy LCD backlight Continuous low resistance measurement Continuous measurements mode, red warning light and buzzer function Specifications Product size 150mm x 100mm x 71mm Display 70.6mm x 34mm AC voltage 30V~600V Resistance 0.01? - 200? Insulation Resistance 0.01M? - 5G? Load current 1mA Insulation Test Voltages 500V, 1000V, 2500V Power 1.5V battery (LR6) x 6 Display Count 2000 DAR 60s/15s and 60s/30s