Never. Test Equipment goes to the Cal lab on a periodic basis. They keep the gear working. Test cables, probes, etc. are user replaced and don't cost much. I have seen o'scopes and signal generators working well 40+…
USAF Tech School, about 1984. Fantastic hands on labs. Also showed the use of the "current tracer", which was real cool. But I have never used one since. There was a wand that would sense current, and there was a device…
Never. Test Equipment goes to the Cal lab on a periodic basis. They keep the gear working. Test cables, probes, etc. are user replaced and don't cost much. I have seen o'scopes and signal generators working well 40+…
USAF Tech School, about 1984. Fantastic hands on labs. Also showed the use of the "current tracer", which was real cool. But I have never used one since. There was a wand that would sense current, and there was a device…