I need to find a replacement for the defective temperature probe of some device (laboratory incubator), which is basically a NTC thermistor. The only information about the defective unit is the following:
- Nominal resistance 2252 Ohm @ 25 deg. C
- operating range -50 deg. C to +150 deg. C.
- Tolerance 0 to 50 deg. C +/- 0.2%.
This is the only information I was able to get from the manufacturer (the part is obsolete). So, I don't know the beta or Steihart-Hart coefficients for this part. However, I have the new thermistor of another manufacturer with exactly the same parameters and with the known beta. How can I determine whether the new thermistor could be used as a replacement? The device has the possibility of automatic temp. calibration.