Grundfos Geo-Flo Universal Pump Controller User Manual

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Appendix C: Thermistor Temperature/Resistance Chart
20.0
-6.7 46,195 61.0 16.1 14,930 103.0 39.5 5,445
21.0
-6.1 44,863 62.0 16.7 14,556 104.0 40.0 5,326
22.0
-5.6 43,574 63.0 17.2 14,192 105.0 40.6 5,210
23.0
-5.0 42,326 64.0 17.8 13,839 106.0 41.1 5,096
24.0
-4.5 41,119 65.0 18.4 13,464 107.0 41.7 4,986
25.0
-3.9 39,949 66.0 18.9 13,131 108.0 42.2 4,878
26.0
-3.4 38,817 67.0 19.5 12,807 109.0 42.8 4,772
27.0
-2.8 37,720 68.0 20.0 12,493 110.0 43.4 4,661
28.0
-2.3 36,658 69.0 20.6 12,186 111.0 43.9 4,561
28.0
-2.2 36,564 70.0 21.1 11,889 112.0 44.5 4,463
29.0
-1.7 35,538 71.0 21.7 11,599 113.0 45.0 4,368
30.0
-1.1 34,545 72.0 22.2 11,318 114.0 45.6 4,275
31.0
-0.6 33,582 73.0 22.8 11,044 115.0 46.1 4,185
32.0
0.0 32,650 74.0 23.4 10,754 116.0 46.7 4,096
33.0
0.6 31,747 75.0 23.9 10,496 117.0 47.2 4,010
34.0
1.1 30,872 76.0 24.5 10,245 118.0 47.8 3,926
35.0
1.7 30,024 77.0 25.0 10,000 119.0 48.4 3,836
36.0
2.2 29,203 78.0 25.6 9,762 120.0 48.9 3,756
37.0
2.8 28,406 79.0 26.1 9,531
38.0
3.4 27,565 80.0 26.7 9,305 *10kresistoris10kΩ
39.0
3.9 26,818 81.0 27.2 9,086 at25°C(77°F).
40.0
4.5 26,094 82.0 27.8 8,872 Resistancegoesdown
41.0
5.0 25,392 83.0 28.4 8,646 astemperaturegoes
42.0
5.6 24,711 84.0 28.9 8,444 up.
43.0
6.1 24,051 85.0 29.5 8,248
44.0
6.7 23,411 86.0 30.0 8,057
45.0
7.2 22,789 87.0 30.6 7,870
46.0
7.8 22,186 88.0 31.1 7,689
47.0
8.4 21,549 89.0 31.7 7,512
48.0
8.9 20,983 90.0 32.2 7,340
49.0
9.5 20,434 91.0 32.8 7,173
50.0
10.0 19,901 92.0 33.4 6,995
51.0
10.6 19,383 93.0 33.9 6,836
52.0
11.1 18,881 94.0 34.5 6,682
53.0
11.7 18,393 95.0 35.0 6,531
54.0
12.2 17,919 96.0 35.6 6,384
55.0
12.8 17,459 97.0 36.1 6,241
56.0
13.4 16,973 98.0 36.7 6,102
57.0
13.9 16,540 99.0 37.2 5,966
58.0
14.5 16,120 100.0 37.8 5,834
59.0
15.0 15,712 101.0 38.4 5,693
60.0
15.6 15,315 102.0 38.9 5,568
Temp
(°C)
Resistance
(Ω)
RESISTANCEVS.TEMPERATURECHART
10KTHERMISTOR*,UPCGEO
Temp
(°F)
Temp
(°C)
Resistance
(Ω)
Temp
(°F)
Temp
(°F)
Temp
(°C)
Resistance
(Ω)

Grundfos Geo-Flo Universal Pump Controller Specifications

General

Brand	Grundfos
Model	Geo-Flo Universal Pump Controller
Category	Controller
Language	English