... Agilent 43388. All kinds of contact resistance, Li-battery, alkaline cell and lead accumulator determination of degradation and ... factory inspection can be tested by AT520 series. AT520L Battery Tester SPECIFICATIONSParametersAC resistance, DC voltage, ΘAccuracyResistance:0.5% ... 3 times/second, 1 time/secondResult DisplayShow, ΔABS, Δ%, q, sorting resultMax ReadingResistance: 3,200(32/3), Voltage: 6, ...