EGT mixture/Tcouples

[Brandon L. Walters]

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>The last time I checked, 8 thermocouples ran about $240.
That's for nice ones w/connectors, right?

FWIW, I like to buy the thermocouple wire on a 100' roll, from Omega or
Marlin, and make my own.  For really hot work, like heat treat furnaces,
headers, etc, it's nice to have a friend with a TIG set, then you can
(with practice) make very nice round bead junctions with type K wire.
Just give it several twists so you can burn back 'till it sticks, before it pops
back open.

If you accept more error, extension grade T-Couple wire is cheaper.

Fastening the bead under a washer or something would be cheaper than
buying a probe tip or well.

If your amplifier is in a cool place, and the exhaust is so hot, maybe you
could get by just reading the millivolts and process that.

An Alternate Source, for thermocouples, wire, and probes:
	Marlin Mfg. Corp
	12404 Triskett Rd.
	Cleveland, OH 44111
	(216)941-6200

Brandon Walters

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