power supply tester Voltage test :+12V, -12V, +5V, -5V, +3.3V,+5V Stand ... pi Power Supply Tester The SD power supply tester is a robust voltage tester for PC power supply.ATX,BTX and ITX compliant, power ... in specialized tradeThe methods of operationPlug power supply 24 pin and P4,P6 or P8 into the corresponding jack of the ... ,4pin(P4),8pin(Dual-CPU),6pin(PCI-Express) power supply tester