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Old 10-17-2019, 03:41 PM
Rick Kellner Rick Kellner is offline
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Location: Hillsboro, OR
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Was reading on some electrician forums that in industrial environments, these runs of thermocouple extension wire are sometimes in the hundreds of feet.

I doubt it's the length per se, but perhaps one of the other variables you cite. I think my extension wire is in the ballpark of six feet long as well, but it's been just fine.

Definitely worth trying an alternate cable, although I'm still not entirely convinced that this setup wouldn't run with a different PID controller hooked up.
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