... inspection can be tested by AT520 series. AT520L Battery Tester SPECIFICATIONSParametersAC resistance, DC voltage, ΘAccuracyResistance:0.5% ... μΩ- 32ΩVoltage: 1mV - 60V DCSignal SourceAC 1kHz, open-circuit voltage < 20mV, measurement current: < 10mARangeAutomatic and manual with ... as Precise Resistance Meters, DC Resistance Meters, LCR Digital Electric Bridges, Insulation Resistance Meters, etc. The main ...