71
SunTouch
®
Control System Installation and User’s Guide
Temperature vs. Resistance Data
The SunTouch
®
Control System
use 10k Ohm thermistor sensors. When the solar sensor is disconnected
from the SunTouch Control System, the sensor will read 10k Ohm at 77º F (25ºC). Refer to the
following table for the resistance at other temperatures. An accurate reading should give a temperature
setting that is accurate
Temperature Resistance Temperature Resistance
°C °F
Ohm °C °F Ohm
-26
-15
139,300 16
60
15,310
-25 -13 130,300
18 65 13,480
-23 -10 118,000
21 70 11,880
-21 -5 100,200 24 75 10,500
-20 -4 97,000
25 25 77 10,000
-18 0 85,350
27 27 80 9,298
-15 5 72,910
29 29 85 8,250
-12 10 62,480
30 30 86 8,056
-9 15 53,640
32 32 90 7,331
-10 14 55,300
35 35 95 6,530
-7 20 46,230
38 38 100
5,826
-5 23 42,300
40 40 104
5,326
-4 25 39,910
41 41 105
5,209
-1 30 34,560
43 43 110
4,663
0 32 32,600
45 45 113
4,367
2 35 30,000
49 49 120
3,757
4.7 40 26,100
50 50 122
3,602
5 41 25,400
52 52 125
3,381
7 45 22,760
54 54 130
3,047
10 50 19,900
55 55 131
2,985
13 55 17,440
57 57 135
2,750
15 59 15,700
