testing method very very easy to find if the value of new and old transisor are same means its in good condition if not means it not working or u can find hfe value .brGone are those days when you need to kill a lot of your time learning the art of testing a Bipolar Junction Transistor BJT using an analog multimeter or .brpetey demos a quick and simple fix for the el cheapo multimeters with hfe test . these meters have sockets for the transistors that do not make proper contact .brThis video demonstrates how to do a quick and dirty test of a bipolar junction transistor (BJT) with nothing more than a multimeter. You cant accurately measure .