Digital Tube tester compare

Color Scheme
Green
Ideal
Orange
Not ideal
Red
Not nice

 
1) SOFIA
Manufacturer Homepage

2) Roe-Test
Hardware Version 9
Note, lower Versions have lower specifications, differences can be quite a lot.
Homepage

3) Alladin-II
Homepage
4) Amplitrex AT1000
Manufacturer Homepage
6) Etrace
Manufacturer
Homepage
6) Utrace
Manufacturer
Homepage
7) L3-3