A New Way To Test USB Ports?

A New Way To Test USB Ports?

We learn more about a great new product from Klein Tools.

Sockets with a USB port were first introduced to the market in 2013 but they weren’t included under BS 1363 standards until 2016. As a result, the quality of products made before this time can vary.

Testing times

In 2016 Electrical Safety First tested a number of USB charging sockets. Worryingly, of the 12 tests carried out, only one of them was passed by all nine samples. While product quality has improved recently as more brands have entered the market and standards are catching up, testing remains critical to ensuring safety.

In the past, testing and measuring the outputs of USB charging points was tricky as there wasn’t any trusted equipment on the market that could accurately do the job. Until now…

The UK’s first USB testers

Klein Tools’ range of USB meters and testers are perfect for troubleshooting wall sockets, car chargers, portable power banks and other USB ports with charging capabilities.

The compact ET900 measures USB-A power delivery devices, the ET910 tests and measures USB-A ports and max current output, and the ET920 measures both USB-A and USB-C connectors.

The Klein Tools testers are durable and have drop protection for up to 2m and hardwearing cables to help access even difficult to reach ports. There’s no need for batteries either as they’re powered by the USB port being monitored or tested.


  1. Connect the tester to the USB port. The equipment can continuously monitor up to 1,000 hours of voltage, current, capacity/charge delivered, energy and resistance (calculated). It can also detect voltage and current overloads.
  2. Read the measurements from the hi-res back lit LCD display.
  3. Use the mode button to store and recall up to 10 data readings

For more information on Klein Tools’ range of USB testers visit: www.kleintools.eu/

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