The following scale provides the factory specifications for the Resistance (in ohms) for the corresponding temperature (in degrees Fahrenheit). There is a slight tolerance for variance as noted in the table. Variance outside of this scale should be considered as defective and replaced.

Resistance Temperature Detector Scale
Temperature (°F)Resistance (O ohms)
32 ± 1.91000 ± 4.0
75 ± 2.51091 ± 5.3
250 ± 4.41453 ± 8.9
350 ± 5.41654 ± 10.8
450 ± 6.91852 ± 13.5
550 ± 8.22047 ± 15.8
650 ± 9.62237 ± 18.5
900 ± 13.62697 ± 24.4