I have see few diffrent manufacter verison about the AFCI tester however one thing it bulked me is the cost and how well they will perform as it should designed.

Normally I am pretty much old school person if you supect issue with affected circuit I will just start at basic first like check the switch et receptales once you pass that part then get out the megger tester device and check to see if that pass or not.

{ In France it is mantory we have to run megger test every circuit before it will be engerized }

Merci.
Marc

Pas de problme,il marche n'est-ce pas?"(No problem, it works doesn't it?)