... Short Circuit Testing Machine, Insulation test of 28-200Ah battery separator, short-circuit test of pole battery plate ... Automatic Short Circuit Testing MachineApplication: Insulation test of 28-200Ah battery separator, short-circuit test of pole plates;Move ... , adjustable and free of replacement, applicable to all 28-200Ah batteries; Test High Voltage: 300-3000VPower Supply: AC220V,50HZ,750WAir ...