Thanks, Mark. Years ago I used to make thermocouple probes and fixtures
similar to this for taking heat rise profiles & calibrating various
pieces of composite curing equipment around the plant. The only thing I
would have done different would be testing them in boiling water as well
as ambient. I got similar results - nothing seemed to be critical in the
manner of construction or anything else that had a major effect on
accuracy. I'm sure if I was going for a finer degree of accuracy I could
have found that some of my probes were worse than others. Looking for a
range rather than a pinpoint helped - which is what we're doing
measuring CHT.
Chris K.
On 6/8/2017 7:46 PM, Mark Langford via KRnet wrote:
But the Revmaster heads come with 12mm spark plugs, and at $35 each, I
really didn't want to shell out $140 for four CHT probes, so I bought
some K-type thermocouple wire for $9.50 off ebay (free shipping),
12mm-#8 ring terminals for $0.55 each from Digikey, and built all four
CHT probes for $18.
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