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From: chrisq <devzero@nospam.com>
Newsgroups: sci.electronics.design
Subject: Re: Converting a NTC voltage into temperature in Celcius
Date: Tue, 8 Apr 2025 11:07:11 +0100
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On 4/8/25 10:54, Jean-Pierre Coulon wrote:
> The resistance vs temperature relation is well known. But we are using 
> one with an industrial controller that sends 100 uA into it and provides 
> the corresponding voltage.
> 
> Are there any cheap converters on the market, to convert this voltage 
> into a nice linear voltage vs temperature relation ? Then there there 
> are many voltage-to-display converters.
> 
> Bye,
> 

Use a lookup table in software, major points, then interpolate between
them, to required accuracy.

Chris