Thanks for your idea. Saves me a lot off money. Did you use shielded copper
> Op 25 februari 2018 om 18:47 schreef Sid Wood via KRnet
> The Type K Thermocouple is a low voltage system; typically a few millivolts.
> That's okay because the receiving electronic units are designed for that low
> voltage. When you need an extension for the thermocouple leads, you can use
> copper wire quite satisfactorily. You must keep the thermocouple leads as
> close to the same length as possible so that the voltages from each
> thermocouple will be the tracking the same. The voltage is generated by the
> junction, not the wires by themselves. The Iron and Constantan does have
> more resistance than copper, so the need for matching the lengths. The Iron
> wire and Constantan wire is much harder than copper wire; copper style crimp
> connectors will not reliably stay attached to the thermocouple wires. You
> need to use screw type terminal barrier strips for each connection and put a
> lock washer under the head of each screw to maintain pressure on the bare
> thermocouple wire. The copper extension wires can be any convenient length;
> the copper wires do not need to be matched in length. Copper crimp lugs
> will work fine for the copper wire.
> This copper wire extension has worked quite well for the EGT and CHT sensors
> in my KR-2.
> Sid Wood
> Tri-gear KR-2 N6242
> California, MD, USA
> I have received with my garmin set theromcouples for the EGT. Alcor inc p/n
> 86255. I need an extention for both sensors. I already bought type K
> thermocouples for the CHT via ebay (4?) with a big overlengt. Can I use this
> wire to extend the alcor type or do I have to buy the same brand for to much
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Steph and his dad are building the KR-2S see http://www.masttotaalconcept.nl/kr2
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