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PassMark USB Power Delivery Tester

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Product Description

USB Power Delivery Tester

For troubleshooting USB ports and USB chargers

  • Test the power delivery capability of USB ports, USB chargers, and USB power banks.
  • Check if a USB host is capable of delivering its maximum specified wattage without failing.
  • Detect the wattage a USB charger (wall-wart) claims to support, which in turn controls the charging speed of mobile phones and other USB connected battery devices.
  • Check that voltage levels remain within specification under high load.
  • Measure the exact power usage of USB devices.
  • Use it with the USB 3.0 Loopback Plug, to test communication speed, data integrity, and power delivery of USB ports simultaneously.
  • QC4+ and PPS support available in model PM125.


Diagnose USB power

Test Power Delivery

  • Tests the power delivery capability of USB Ports up to 100Watts according to USB Battery Charging 1.2 and USB Power Delivery standards
  • Tests the power delivery capability of USB Chargers (Detects proprietary chargers and adjust the maximum current accordingly).
  • Negotiates voltage levels with host PD controller chip to switch between different voltage levels. Dissipates 50 watts continuously, and up to 100 watts for short periods.
  • Current cab be adjusted with milliamp precision using rotary encoder or via software



  • Measure Electrical ripple at 1kHz
  • Measure the capacity of USB power banks and battery packs in mAh.
  • Test communication speed, data integrity, an dpower delivery of USB ports simultaneously 


  • Built-in protection against overcurrent, over coltage, over temperature and ESD.
  • Isolated USB Monitoring port which protects the monitoring machine.



  • Controllable and configurable over USB interface. THe API which allows you to change the load, read the current and voltage levels and update the LCD contents.
  • Bootloader which allows updating the firmware in Field.
  • Python Script example is now included.


Warranty Information

PassMark USB Power Delivery Tester

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