Tube tester: Orange VT 1000

I wanted to try one but it does not do 6dj8/6922....   it is geared toward the musician crowd.

How nice if those still available in record shops and drugstores!

https://www.ourfavoritegadgets.com/images/vintage-tv-tube-tester.jpg

@oddiofyl 

Yes, 6922 is one of the tubes I also wanted to be able to test. 

@imhififan 

There it is. The wonder machine from the past:) I have never seen anything like it. Cool!!!

I used to pull tubes from every item in the house just to take them down to the Thrifty Drug Store and test them.  I probably ruined more tubes than I realized - it drove my Dad nuts.

Drug store testers were "service tube testers" and only performed cathode emissions testing, which is really only good for telling you if a tube is good or bad, in a vague way.  If you are going to collect more than a few NOS or used tubes then you are going to want to use a mutual conductance tester.

I won't get into which tester to select because I don't want to write a book and also there are guys on this forum who know a hell of a lot more about this than I do.

Here are some good reads I have found on the subject.
http://www.tungsol.com/html/faqs7.html
http://www.alltubetesters.com/articles/howto_test_tubes.htm
http://www.alltubetesters.com/articles/tester_guide.htm
http://amplitrex.com/
http://www.maximatcher.com/