... inspection can be tested by AT520 series. AT520L Battery Tester SPECIFICATIONSParametersAC resistance, DC voltage, ΘAccuracyResistance:0.5% Voltage ... all range, REL functionComparator1 group record, NG-LO, GD-IN, NG-HI display and output. beep is adjustableTriggerInternal ... such as Precise Resistance Meters, DC Resistance Meters, LCR Digital Electric Bridges, Insulation Resistance Meters, etc. The main ...