Hi Everyone!
 
How many reflow profiles do ya'll put the same thermocouples through
before you think about replacing them?
 
I've typically used them until they quit working or the insulation
deteriorates so bad that I don't want to use them anymore. I was told
that was not a good practice. That your typical K thermocouple starts
drifting after only 4 or 5 thermal cycles. I said; "Really?" I didn't
want to debate a whole lot because it was a customer who said this, so I
just agreed and went on.
 
So, do any of you know this to be a fact, and do any of you trash a
thermocouple after only 4 or 5 profiles and replace them with new ones?
 
Kind regards,
 
Steve Gregory

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