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Insulation test voltages 50 volts; 100 volts; 250 volts; 500 volts; 1,000 volts Live circuit detection prevents insulation test if voltage of more than 30 volts is detected Auto-discharge of capacitive voltage for added user protection AC/DC voltage, DC milliVolts, AC/DC milliamps, resistance, continuity Testing for capacitance, diode, temperature, min/max, and frequency