Tube Tester Option

Larryi, I'm most interested in testing small octals so it may work for me. You are right--it's not clear what it does test exactly.  I wish someone had one who could review it. 

I own one of these little testers..  Work quite well. They have a power valve tester also. It does singles.

I have a Multi Miser that I love for power valves. It will do 4 at a time. 

I have a Hickok 539, what a complicated piece.. Maintenance is always an issue and accuracy, is at best within 10-15%.
You have to really pay attention to analog stick meters.. They are not known for accuracy UNLES YOU keep them that way.. ACCURATE

Good investment...

PM Ralph Karsten- Atmasphere.
Bob

If you don't live near a dealer who can test tubes for you a tube tester is not a bad investment. That one looks interesting but a bit limited perhaps look into what else is out there?

will this simple unit also test your tubes?

https://www.ebay.com/itm/124523483585?hash=item1cfe2d91c1:g:6hYAAOSwKm9f~K3J

I advise anyone having tube preamp, amp, tuner, phono to get a simple tube tester.

that one looks nice, I want more variety of tube types