I was so excited to get this ESR meter and broke it immediately in the dumbest way possible! Well, here is how you repair a DE-5000 if you put the battery in backwards. This was filmed using the same setup right after I did the RAM video. So I had the loose fitting lens on the camera: https://www.youtube.com/watch?v=V_z1f... Here are the diodes I used to repair it: http://a.co/iSWT4Rj Just a simple 1N4148 switching diode.