very inexpensive digital temp gauge

I extended the wire with some old car speaker wire of a similar gauge. i measured the room temp at 22c before I extended the wire and it still showed 22c after extending by another 2 metres. I soldered the wires together and covered with the joints with heat shrink.

Cheers
Mark

Quote:

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Originally Posted by Discomark

I extended the wire with some old car speaker wire of a similar gauge. i measured the room temp at 22c before I extended the wire and it still showed 22c after extending by another 2 metres. I soldered the wires together and covered with the joints with heat shrink.

Cheers
Mark

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Is it a thermistor or thermocouple?

Quote:

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Originally Posted by Dougal

Is it a thermistor or thermocouple?

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Says its a thermistor on the Autospeed site.
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