[dieseljeep]

Originally Posted by bandersen

Is it a WT-110A ? It's actually a pretty good tester. Like the Hickok, it uses mutual conductance. Here's one that sold for $250.

http://www.ebay.com/itm/RCA-WT-110A-...-/150999237542

I have to look at it again! The one shown, has a lot more cards. No other pictures available.
When testing it out, I thought it was better than the simple emissions testers. It's an interesting piece, to be sure.