... factory inspection can be tested by AT520 series. AT520L Battery Tester SPECIFICATIONSParametersAC resistance, DC voltage, ΘAccuracyResistance:0.5% Voltage: 0.1 ... , ΔABS, Δ%, q, sorting resultMax ReadingResistance: 3,200(32/3), Voltage: 6,000Adjustment Short-circuit reset for all range, REL functionComparator1 group ...