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26
temperature decreases 1 ℃ the corresponding resistor value would increase about
100ohm. But it is not linear relationship between resistance and temperature, so it's just
an estimation algorithm.
You'd better measure the following temperature resistance is more accurate, and more
likely to get the temperature. Normally at surrounding -18℃,5℃,25℃, the corresponding
resistance is about 17kohm,5kohm,2kohm. If the measured value is not within the normal
scope, the sensor is bad and needs to repair or change.
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