PSU Tester.The SD power supply tester is a robust voltage tester for PC power supply.ATX,BTX and ITX compliant, power supplies can be tested.LCD's indicate the status of voltage.The PC/SPS is suitable for the ambitious hobby user,as well as for a quick functional check in specialized tradeThe methods of operationPlug power supply 24 pin and P4,P6 or P8 into the corresponding jack of the power test suite Power on the supply of power,will hear (DuDu" ring,if no flicker then the power supply output voltage is normal If a certain voltage signal was not detected,or the detected voltage value over the normal,will issue a "DuDu" long buzzer,if the corresponding voltage value or PC flicker too,then the power is failed SpecificationVoltage source:20/24pin(ATX-connector) Voltage test:+12V,-12V,+5V,-5V,+3.3V,5V stand by (SB) 12V power good(PG) Connectors:floppy,HDD,CDROM,SATA,4pin(P4),8pin(Dual-CPU),6pin(PCI-Express)

Power Tester