... Agilent 43388. All kinds of contact resistance, Li-battery, alkaline cell and lead accumulator determination of degradation ... factory inspection can be tested by AT520 series. AT520L Battery Tester SPECIFICATIONSParametersAC resistance, DC voltage, ΘAccuracyResistance:0.5 ... group record, NG-LO, GD-IN, NG-HI display and output. beep is adjustableTriggerInternal, manual, external (optional ...