HTW VAW Series - Page 91

85
TEMPERATURE SENSOR R-T CONVERSION TABLE
Only use for the solar temp sensor
Ｒ25=50KΩ±1.0％ Ｂ25/50 = 3950K±1.0％
℃
R(cent)
℃
R(cent)
℃
R(cent)
℃
R(cent)
-20
466.6
15
78.38
50
17.93
85
5.227
-19
441.1
16
74.85
51
17.26
86
5.061
-18
417.2
17
71.5
52
16.61
87
4.902
-17
394.7
18
68.32
53
15.99
88
4.748
-16
373.5
19
65.29
54
15.4
89
4.6
-15
353.6
20
62.41
55
14.83
90
4.457
-14
334.8
21
59.68
56
14.29
91
4.319
-13
317.2
22
57.07
57
13.77
92
4.188
-12
300.6
23
54.6
58
13.27
93
4.058
-11
284.9
24
52.24
59
12.79
94
3.935
-10
270.2
25
50
60
12.33
95
3.815
-9
256.3
26
47.86
61
11.89
96
3.7
-8
243.1
27
45.83
62
11.46
97
3.589
-7
230.7
28
43.89
63
11.06
98
3.482
-6
219
29
42.05
64
10.67
99
3.378
-5
208
30
40.28
65
10.29
100
3.278
-4
197.6
31
38.61
66
9.936
101
3.182
-3
187.7
32
37.01
67
9.591
102
3.088
-2
178.4
33
35.49
68
9.259
103
2.998
-1 169.6 34 34.03 69 8.941 104 2.911
0
161.3
35
32.65
70
8.635
105
2.827
1
153.4
36
31.32
71
8.341
106
2.746
2
146
37
30.06
72
8.058
107
2.667
3
139
38
28.85
73
7.786
108
2.591
4
132.3
39
27.7
74
7.525
109
2.517
5
126
40
26.6
75
7.247
110
2.446
6
120
41
25.55
76
7.032
111
2.378
7
114.3
42
24.54
77
6.8
112
2.311
8
109
43
23.58
78
6.576
113
2.247
9
103.9
44
22.66
79
6.361
114
2.184
10
99.04
45
21.78
80
6.153
115
2.124
11
94.47
46
20.94
81
5.954
116
2.065
12
90.12
47
20.14
82
5.762
117
2.009
13
86
48
19.37
83
5.577
118
1.955
14
82.09
49
18.64
84
5.398
119
1.902