... 43388. All kinds of contact resistance, Li-battery, alkaline cell and lead accumulator determination of degradation ... inspection can be tested by AT520 series. AT520L Battery Tester SPECIFICATIONSParametersAC resistance, DC voltage, ΘAccuracyResistance:0. ... Δ%, q, sorting resultMax ReadingResistance: 3,200(32/3), Voltage: 6,000Adjustment Short-circuit reset for all range, REL functionComparator1 group ...