Campbell Scientific 108-L Temperature Probe - Manual (Page 25)

Appendix C. Conversion of Thermistor
Resistance or Voltage Ratio to
Temperature
TABLE C-1. Voltage Ratio, Resistance, and Temperature 1
Actual
Temperature
(°C)
100K6A1iA
Thermistor
Resistance (Ω)
P5 Edlog
Instruction
= Vs/Vx * 200
P55 Edlog
Instruction Output
(°C)
CRBasic
Therm108()
Output (°C)
-10 612407 0.31 -9.02 -10.00
-9 578366 0.32 -8.20 -9.00
-8 546408 0.34 -7.37 -8.00
-7 516394 0.36 -6.51 -7.00
-6 488196 0.38 -5.63 -6.00
-5 461695 0.40 -4.74 -5.00
-4 436779 0.42 -3.83 -4.00
-3 413346 0.44 -2.91 -3.00
-2 391300 0.46 -1.97 -2.00
-1 370551 0.49 -1.01 -1.00
0 351017 0.51 -0.05 0.00
1 332620 0.54 0.93 1.00
2 315288 0.56 1.91 2.00
3 298954 0.59 2.91 3.00
4 283555 0.62 3.91 4.00
5 269034 0.65 4.91 5.00
6 255335 0.67 5.93 6.00
7 242408 0.71 6.94 7.00
8 230206 0.74 7.96 8.00
9 218684 0.77 8.98 9.00
10 207801 0.80 10.00 10.00
11 197518 0.84 11.02 11.00
12 187799 0.87 12.04 12.00
13 178610 0.91 13.05 13.00
14 169921 0.95 14.07 14.00
15 161700 0.99 15.08 15.00
16 153921 1.03 16.09 16.00
17 146558 1.07 17.09 17.00
18 139586 1.11 18.10 18.00
19 132983 1.15 19.09 19.00
20 126727 1.19 20.09 20.00
21 120799 1.24 21.08 21.00
22 115179 1.28 22.07 22.00
23 109850 1.33 23.06 23.00
24 104795 1.37 24.05 24.00
25 100000 1.42 25.04 25.00
26 95449 1.47 26.02 26.00
27 91129 1.51 27.01 27.00
28 87027 1.56 27.99 28.00
29 83131 1.61 28.98 29.00
30 79430 1.66 29.96 30.00
C-1