Part No. 4801-1201 Rev. 1-20
Alert Alarm III
8
9. Temperature vs. Sensor Resistance Table
The following chart gives the resistance when measured between the white and black sensor wires at a given temperature. To check a
sensor, first know the temperature in the area, then use a multimeter to check the resistance.
Resistance
Temp
Temp
Resistance
Temp
Temp
Resistance
Temp
Temp
Kohms
(F)
(C)
Kohms
(F)
(C)
Kohms
(F)
(C)
32.654
32
0
15.714
59
15
8.59
83.3
28.5
32.158
32.5
0.3
15.568
59.4
15.2
8.517
83.7
28.7
31.671
33.1
0.6
15.353
59.9
15.5
8.408
84
28.9
31.191
33.6
0.9
15.211
60.3
15.7
8.336
84.6
29.2
30.72
34.2
1.2
15.001
60.8
16
8.23
85.1
29.5
30.257
34.7
1.5
14.863
61.2
16.2
8.125
85.6
29.8
29.802
35.2
1.8
14.658
61.7
16.5
8.056
86
30
29.355
35.8
2.1
14.457
62.2
16.8
7.954
86.5
30.3
28.915
36.3
2.4
14.325
62.6
17
7.853
87.1
30.6
28.482
36.9
2.7
14.128
63.1
17.3
7.787
87.4
30.8
28.057
37.4
3
13.999
63.5
17.5
7.689
88
31.1
27.777
37.8
3.2
13.808
64
17.8
7.592
88.5
31.4
27.363
38.3
3.5
13.682
64.4
18
7.496
89.1
31.7
26.957
38.8
3.8
13.496
64.9
18.3
7.433
89.4
31.9
26.557
39.4
4.1
13.373
65.3
18.5
7.34
90
32.2
26.164
39.9
4.4
13.192
65.8
18.8
7.248
90.5
32.5
25.777
40.5
4.7
13.073
66.2
19
7.157
91
32.8
25.523
40.8
4.9
12.896
66.7
19.3
7.098
91.4
33
25.147
41.4
5.2
12.779
67.1
19.5
7.009
91.9
33.3
24.777
41.9
5.5
12.607
67.6
19.8
6.922
92.5
33.6
24.413
42.4
5.8
12.493
68
20
6.836
93
33.9
24.055
43
6.1
12.325
68.5
20.3
6.779
93.4
34.1
23.82
43.3
6.3
12.215
68.9
20.5
6.695
93.9
34.4
23.472
43.9
6.6
12.051
69.4
20.8
6.612
94.5
34.7
23.13
44.4
6.9
11.943
69.8
21
6.531
95
35
22.793
45
7.2
11.783
70.3
21.3
6.45
95.5
35.3
22.572
45.3
7.4
11.678
70.7
21.5
6.371
96.1
35.6
22.244
45.9
7.7
11.522
71.2
21.8
6.319
96.4
35.8
21.922
46.4
8
11.42
71.6
22
6.241
97
36.1
21.71
46.8
8.2
11.268
72.1
22.3
6.165
97.5
36.4
21.397
47.3
8.5
11.168
72.5
22.5
6.089
98.1
36.7
21.088
47.8
8.8
11.02
73
22.8
6.015
98.6
37
20.886
48.2
9
10.874
73.6
23.1
5.941
99.1
37.3
20.586
48.7
9.3
10.778
73.9
23.3
5.869
99.7
37.6
20.29
49.3
9.6
10.636
74.5
23.6
5.798
100.2
37.9
20.096
49.6
9.8
10.542
74.8
23.8
5.728
100.8
38.2
19.809
50.2
10.1
10.404
75.4
24.1
5.658
101.3
38.5
19.526
50.7
10.4
10.312
75.7
24.3
5.59
101.8
38.8
19.34
51.1
10.6
10.177
76.3
24.6
5.522
102.4
39.1
19.065
51.6
10.9
10.088
76.6
24.8
5.456
102.9
39.4
18.884
52
11.1
9.956
77.2
25.1
5.39
103.4
39.7
18.616
52.5
11.4
9.869
77.5
25.3
5.326
104
40
18.352
53.1
11.7
9.741
78.1
25.6
5.262
104.5
40.3
18.179
53.4
11.9
9.614
78.6
25.9
5.199
105.1
40.6
17.503
54.9
12.7
9.53
79
26.1
5.137
105.6
40.9
17.339
55.2
12.9
9.407
79.5
26.4
5.076
106.2
41.2
17.095
55.8
13.2
9.325
79.9
26.6
4.995
106.9
41.6
16.856
56.3
13.5
9.205
80.4
26.9
4.936
107.4
41.9
16.698
56.7
13.7
9.086
81
27.2
4.877
108
42.2
16.465
57.2
14
9.007
81.3
27.4
4.82
108.5
42.5
16.312
57.6
14.2
8.891
81.9
27.7
4.763
109
42.8
16.085
58.1
14.5
8.815
82.2
27.9
4.688
109.8
43.2
15.935
58.5
14.7
8.702
82.8
28.2
