Question

How to measure change of resistance in thermistor at different temperatures

Answer 1

hiii there.... here's ur answer..

As with any resistor, you can use the ohmmeter setting on your multimeter to measure thermistor resistance. The resistance value displayed on your multimeter should correspond to the ambient temperature near the thermistor. The resistance will change in response to temperature change.

For example, assume a thermistor with a resistance of 10K ohms at 25°C, a 10 bit ADC, and adcVal = 366.

Rt = 10,000 * ((1023 / 366) – 1)

= 10,000 * (2.03)

= 17,951 ohms

Once you calculate the value for Rt, you can use a look-up table containing temperature-resistance data for your thermistor to find the corresponding temperature. The calculated resistance for the thermistor in the above example corresponds to a temperature of approximately 10°C.

9 18,670

10 17,926

11 17,214

I hope this will help u

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