This is my current go-to-tester. I acquired this tube tester from a Customer and it has been calibrated and several
This is a Hickok 532 tube tester that has been repaired and calibrated. The meter is new. A Bias fuse
This is a Weston 981 Mutual Conductance tube tester that was not functional when I received it for calibration. One
This is a Hickok 752A that I restored electronically and calibrated. This is a very nice tester and is very
This 539C was not working because all three meters were bad. The meters were replaced with digital meter replacements and
This is a restored Precision 912P Tube Tester. Included is a CD with a copy of the manual and tube
Very nice newer model Precision 10-12 Tube Tester.