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HB Mini Controller
Technical Guide
21
Temperature – Resistance – Voltage For Type III 10 K Ohm Thermistor Sensors
Temp
(ºF)
Resistance
(Ohms)
Voltage @
Input (VDC)
Temp
(ºF)
Resistance
(Ohms)
Voltage @
Input (VDC)
Temp
(ºF)
Resistance
(Ohms)
Voltage @
Input (VDC)
-10 93333 2.98 60 14681 1.96 86 8153 1.48
-5 80531 2.94 62 14014 1.93 88 7805 1.45
0 69822 2.89 64 13382 1.89 90 7472 1.41
5 60552 2.83 66 12758 1.85 95 6716 1.33
10 52500 2.77 68 12191 1.81 100 6047 1.24
15 45902 2.71 69 11906 1.79 105 5453 1.16
20 40147 2.64 70 11652 1.78 110 4923 1.09
25 35165 2.57 71 11379 1.76 115 4449 1.02
30 30805 2.49 72 11136 1.74 120 4030 0.95
35 27140 2.41 73 10878 1.72 125 3656 0.88
40 23874 2.33 74 10625 1.70 130 3317 0.82
45 21094 2.24 75 10398 1.68 135 3015 0.76
50 18655 2.15 76 10158 1.66 140 2743 0.71
52 17799 2.11 78 9711 1.63 145 2502 0.66
54 16956 2.08 80 9302 1.59 150 2288 0.61
56 16164 2.04 82 8893 1.55
58 15385 2.00 84 8514 1.52
Thermistor Sensor Testing Instructions
1.) Use the resistance column to check the thermistor sensor while disconnected from the controllers (not powered).
2.) Use the voltage column to check sensors while connected to powered controllers. Read voltage with meter set on DC volts. Place
the “-”(minus) lead on GND terminal and the “+”(plus) lead on the sensor input terminal being investigated.
If the voltage is above 3.3 VDC, then the sensor or wiring is “open.” If the voltage is less than 0.05 VDC, the sensor or wiring is shorted.
Table 8: Temperature Sensor - Voltage & Resistance for Type III Sensors
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