I have a Sencore TC162 tube tester that I inherited from my grandfather. I know this is supposed to be a rather limited tester, but I'd like to get it calibrated. I powered it on with a variac and tested some tubes, and they all tested at the low end of the 'good' range. Could be accurate, but I don't think so. I have instructions for calibrating it myself, but I'd rather give it someone who knows what they're doing. Any recommendations would be welcome, thanks.
From what I can gather from other American owners -- yes its very limited at the bottom end of testers but it will certainly give an indication of the life of a tube.
Resistors inside need to be checked for changed values and that's what qualifies as "calibrating " as looking inside there is not a lot of actual electronics apart from the FET circuit --check values round or near it.
You have got to work out if you want to pay as much (or more ) than its worth to calibrate it unless its of sentimental interest.
Resistors inside need to be checked for changed values and that's what qualifies as "calibrating " as looking inside there is not a lot of actual electronics apart from the FET circuit --check values round or near it.
You have got to work out if you want to pay as much (or more ) than its worth to calibrate it unless its of sentimental interest.