Right, but you can't expect a pocket sized tester like the Treedix to implement that, even if it is the USB standard test for compliance. The Treedix does measu

Right, but you can't expect a pocket sized tester like the Treedix to implement that, even if it is the USB standard test for compliance. The Treedix does measure resistance on the cable, however, so if a cable exceeds 250mΩ it would also flunk your more accurate test.