... tester Voltage test :+12V, -12V, +5V, -5V, +3.3V,+5V Stand by (SB) 12V power Good ( PG )Voltage ... source : 20/24 pi Power Supply 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 ... source:20/24pin(ATX-connector) Voltage test:+12V,-12V,+5V,-5V,+3 ...