USB SOS (short circuit - overvoltage - sensor)

Product no.: PM119

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Available delivery methods: DHL Express Delivery, DHL standard delivery | Switzerland, DHL standard delivery, DHL standard delivery, DHL standard delivery, Own carrier number

Protect your expensive USB devices by first connecting the PassMark USB SOS device to detect faulty ports that would otherwise cause damage.

The PassMark USB SOS device itself is almost indestructible to test USB ports with protection up to + -100V.

The large PASS symbol lights up green when all voltages are within the specification.



  • Fastest and easiest way to check the supply voltage and short circuit in USB ports and USB chargers.
  • Check overvoltage or undervoltage on the VBUS
  • Check whether there is a short circuit between VBUS and one of the data lines
  • Detect invalid voltages on data lines


Diagnose dangerous bad ports

Seven individual red LEDs indicate errors (outside the specified voltages):

  • VBUS
  • D+
  • D-
  • RX+
  • RX-
  • TX+
  • TX-





Compact design for convenient quick tests

The PassMark USB SOS short circuit tester is the perfect addition to your important PC repair toolkit.




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