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> 2007
> Hewlett-packard frequency counter model 5381A 80MHZ
Hewlett-packard frequency counter model 5381A 80MHZ
This Frequency Counter was part of my father's test equipment collection. He purchased it new, I believe in the 1970s. I believe it to work fine, as he was using it up until a couple years ago. But I have no way of testing or knowing its actual condition. The LED's light up when plugged in.