63
Table 42B — Thermistor Temperatures (
°
C) vs Resistance/Voltage Drop
(NOTE: These values do NOT Apply to the Motor Temperature Thermistors)
TEMP
(C)
VOLTAGE
DROP
(V)
RESISTANCE
(Ohms)
TEMP
(C)
VOLTAGE
DROP
(V)
RESISTANCE
(Ohms)
TEMP
(C)
VOLTAGE
DROP
(V)
RESISTANCE
(Ohms)
–40
4.896
168,230
10
3.680
9,949
60
1.291
1,244
–39
4.889
157,440
11
3.633
9,485
61
1.258
1,200
–38
4.882
147,410
12
3.585
9,044
62
1.225
1,158
–37
4.874
138,090
13
3.537
8,627
63
1.192
1,118
–36
4.866
129,410
14
3.487
8,231
64
1.160
1,079
–35
4.857
121,330
15
3.438
7,855
65
1.129
1,041
–34
4.848
113,810
16
3.387
7,499
66
1.099
1,006
–33
4.838
106,880
17
3.337
7,161
67
1.069
971
–32
4.828
100,260
18
3.285
6,840
68
1.040
938
–31
4.817
94,165
19
3.234
6,536
69
1.012
906
–30
4.806
88,480
20
3.181
6,246
70
0.984
876
–29
4.794
83,170
21
3.129
5,971
71
0.949
836
–28
4.782
78,125
22
3.076
5,710
72
0.920
805
–27
4.769
73,580
23
3.023
5,461
73
0.892
775
–26
4.755
69,250
24
2.970
5,225
74
0.865
747
–25
4.740
65,205
25
2.917
5,000
75
0.838
719
–24
4.725
61,420
26
2.864
4,786
76
0.813
693
–23
4.710
57,875
27
2.810
4,583
77
0.789
669
–22
4.693
54,555
28
2.757
4,389
78
0.765
645
–21
4.676
51,450
29
2.704
4,204
79
0.743
623
–20
4.657
48,536
30
2.651
4,028
80
0.722
602
–19
4.639
45,807
31
2.598
3,861
81
0.702
583
–18
4.619
43,247
32
2.545
3,701
82
0.683
564
–17
4.598
40,845
33
2.493
3,549
83
0.665
547
–16
4.577
38,592
34
2.441
3,404
84
0.648
531
–15
4.554
38,476
35
2.389
3,266
85
0.632
516
–14
4.531
34,489
36
2.337
3,134
86
0.617
502
–13
4.507
32,621
37
2.286
3,008
87
0.603
489
–12
4.482
30,866
38
2.236
2,888
88
0.590
477
–11
4.456
29,216
39
2.186
2,773
89
0.577
466
–10
4.428
27,633
40
2.137
2,663
90
0.566
456
–9
4.400
26,202
41
2.087
2,559
91
0.555
446
–8
4.371
24,827
42
2.039
2,459
92
0.545
436
–7
4.341
23,532
43
1.991
2,363
93
0.535
427
–6
4.310
22,313
44
1.944
2,272
94
0.525
419
–5
4.278
21,163
45
1.898
2,184
95
0.515
410
–4
4.245
20,079
46
1.852
2,101
96
0.506
402
–3
4.211
19,058
47
1.807
2,021
97
0.496
393
–2
4.176
18,094
48
1.763
1,944
98
0.486
385
–1
4.140
17,184
49
1.719
1,871
99
0.476
376
0
4.103
16,325
50
1.677
1,801
100
0.466
367
1
4.065
15,515
51
1.635
1,734
101
0.454
357
2
4.026
14,749
52
1.594
1,670
102
0.442
346
3
3.986
14,026
53
1.553
1,609
103
0.429
335
4
3.945
13,342
54
1.513
1,550
104
0.416
324
5
3.903
12,696
55
1.474
1,493
105
0.401
312
6
3.860
12,085
56
1.436
1,439
106
0.386
299
7
3.816
11,506
57
1.399
1,387
107
0.370
285
8
3.771
10,959
58
1.363
1,337
9
3.726
10,441
59
1.327
1,290
THERMISTOR JACKETED CABLE
SENSOR TUBE
BEND SLIGHTLY BEFORE WELL INSERTION
3/16 in.
4 in.
THERMISTOR WELL
X
COOLER
MEASURE TO TOP
OF WELD COUPLING
FOR PROPER
INSERTION
(SEE TABLE 44)
PACKING NUT
FERRULE
PLUG END
Fig. 23 — Thermistor (Liquid Level Sensor) Replacement
Fig. 22 — Thermistor Replacement (T1, T2, T5, or T6)