a simplet thermistor that outputs resistance as a function of temperature urn:davisweather:7817 Davis_7817 Thermometer 21 Calibration Curve Temperature Resistance -40,328.4 -35,237.7 -30,173.9 -25,128.5 -20,95.89 -15,72.23 -10,54.89 -5,42.07 0,32.51 5,25.31 10,19.86 15,15.69 20,12.49 25,10 30,8.06 35,6.536 40,5.331 45,4.373 50,3.606 55,2.989 60,2.49 origin is at the measuring tip of the thermistor the x axis is orthogonal to z but indeterminate the y axis is orthogonal to z but indeterminate the z axis is along the long axis of symmetry (or shaft) of the thermistor