Thermistor or thermocouple?

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Macflame
Posts: 29
Joined: Mon Feb 09, 2015 11:22 pm
Location: Sheffield, U.K.

Thermistor or thermocouple?

Post by Macflame » Fri Feb 13, 2015 2:21 pm

On the hotend on the Mini, is it a thermistor or thermocouple?
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brainzilla
Posts: 141
Joined: Sat Nov 29, 2014 5:41 pm

Re: Thermistor or thermocouple?

Post by brainzilla » Sat Feb 14, 2015 2:17 am

It's a PT100 sensor.
That means it's platinum-based and has a resistance of 100 Ohms at 0°C.
Hence the pretty huge analog part of the printer's mainboard…
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Macflame
Posts: 29
Joined: Mon Feb 09, 2015 11:22 pm
Location: Sheffield, U.K.

Re: Thermistor or thermocouple?

Post by Macflame » Sat Feb 14, 2015 1:03 pm

Many thanks for your quick and very helpful reply.
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