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Features: Judge continuity of the cables or wires • Track the cables or wires, and diagnose the break point • Receiver the tone signal on the cables or wires (telephone line) • Identify the state in the working telephone line (clear ring, busy) • Send a single solid tone or a dual alternating tone to the object cables or wires.
Features: 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 trade. • Plug 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 PG flicker too, then the power is failed.