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Thermistor Curve
When checking a thermistor probe, first determine the
present temperature at the probe and find it on this chart
along with the approximate correct ohmmeter reading. The
ohmmeter reading may vary from the
correct one. Determine whether the difference is acceptable.
If a probe is actually faulty, the difference will be great.
F.°
C.°
K OHM
-10
-23.3
118.201
-9
-22.7
114.394
-8
-22.2
110.709
-7
-21.6
107.143
-6
-21.1
103.692
-5
-20.5
100.352
-4
-20.0
97.120
-3
-19.4
94.085
-2
-18.8
91.144
-1
-18.3
88.296
0
-17.7
85.536
1
-17.2
82.863
2
-16.6
80.273
3
-16.1
77.765
4
-15.5
75.334
5
-15.0
72.980
6
-14.4
70.627
7
-13.8
68.350
8
-13.3
66.147
9
-12.7
64.014
10
-12.2
61.951
11
-11.6
59.953
12
-11.1
58.021
13
-10.5
56.150
14
-10.0
54.340
15
-9.4
52.854
16
-8.8
51.409
17
-8.3
50.003
18
-7.7
48.636
19
-7.2
47.306
20
-6.6
46.012
21
-6.1
44.754
22
-5.5
43.530
F.°
C.° K
OHM
23
-5.0
42.340
24
-4.4
41.136
25
-3.8
39.967
26
-3.3
38.830
27
-2.7
37.727
28
-2.2
36.654
29
-1.6
35.612
30
-1.1
34.599
31
-0.5
33.616
32
0
32.660
33
0.5
31.760
34
1.1
30.885
35
1.6
30.035
36
2.2
29.207
37
2.7
28.403
38
3.3
27.620
39
3.8
26.859
40
4.4
26.120
41
5.0
25.400
42
5.5
24.721
43
6.1
24.059
44
6.6
23.416
45
7.2
22.789
46
7.7
22.180
47
8.3
21.586
48
8.8
21.009
49
9.4
20.447
50
10.0
19.900
51
10.5
19.884
52
11.1
18.881
53
11.6
18.392
54
12.2
17.915
55
12.7
17.451
Summary of Contents for Freezemaster 336
Page 23: ...Control Overview...
Page 31: ...Model 336 Exploded View...
Page 33: ...Model 336 Panel Identification...
Page 35: ...Model 338 Exploded View...
Page 37: ...Model 338 Panel Identification...
Page 39: ...Model 339 Exploded View...
Page 41: ...Model 339 Panel Identification...
Page 43: ...Model 750 Exploded View...
Page 45: ...Model 750 Panel Identification...
Page 47: ...Model 751 Exploded View...
Page 49: ...Model 751 Panel Identification...
Page 51: ...Model 754 Exploded View...
Page 53: ...Model 754 Panel Identification...
Page 55: ...Model 774 Exploded View...
Page 58: ...Model 774 Panel Identification...
Page 60: ...Model 794 Exploded View...
Page 62: ...Model 794 Panel Identification...
Page 66: ...Control A X32963 27A Models 339 754 208 230 60 1...
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