APENDICE C - DERIVACION DE LA TEMPERATURA DEL TERMISTOR
Tipo de Termistor: YSI 44005, Dale #1C3001-B3, Alpha #13A3001-B3
Ecuación de Resistencia a Temperatura:
Ecuación C-1 Convertir la Resistencia del Termistor a Temperatura
T = Temperatura en °C.
donde:
LnR = Logaritmo Natural de la Resistencia del Termistor
A = 1.4051 × 10
B = 2.369 × 10
C = 1.019 × 10
Ohms
Temp
Ohms
201.1K
-50
16.60K
187.3K
-49
15.72K
174.5K
-48
14.90K
162.7K
-47
14.12K
151.7K
-46
13.39K
141.6K
-45
12.70K
132.2K
-44
12.05K
123.5K
-43
11.44K
115.4K
-42
10.86K
107.9K
-41
10.31K
101.0K
-40
9796
94.48K
-39
9310
88.46K
-38
8851
82.87K
-37
8417
77.66K
-36
8006
72.81K
-35
7618
68.30K
-34
7252
64.09K
-33
6905
60.17K
-32
6576
56.51K
-31
6265
53.10K
-30
5971
49.91K
-29
5692
46.94K
-28
5427
44.16K
-27
5177
41.56K
-26
4939
39.13K
-25
4714
36.86K
-24
4500
34.73K
-23
4297
32.74K
-22
4105
30.87K
-21
3922
29.13K
-20
3748
27.49K
-19
3583
25.95K
-18
3426
24.51K
-17
3277
23.16K
-16
3135
21.89K
-15
3000
20.70K
-14
2872
19.58K
-13
2750
18.52K
-12
2633
17.53K
-11
2523
=
T
+
A B LnR
(
(coeficientes calculados sobre el intervalo −50 a +150° C.)
-3
-4
-7
Temp
Ohms
-10
2417
-9
2317
-8
2221
-7
2130
-6
2042
-5
1959
-4
1880
-3
1805
-2
1733
-1
1664
0
1598
+1
1535
2
1475
3
1418
4
1363
5
1310
6
1260
7
1212
8
1167
9
1123
10
1081
11
1040
12
1002
13
965.0
14
929.6
15
895.8
16
863.3
17
832.2
18
802.3
19
773.7
20
746.3
21
719.9
22
694.7
23
670.4
24
647.1
25
624.7
26
603.3
27
582.6
28
562.8
29
543.7
Tabla C-1 - Resistencia del Termistor vs. Temperatura
1
−
273 2
.
+
3
)
C LnR
(
)
Temp
Ohms
Temp
+30
+70
525.4
31
507.8
71
32
490.9
72
33
474.7
73
34
459.0
74
35
444.0
75
36
429.5
76
37
415.6
77
38
402.2
78
39
389.3
79
40
376.9
80
41
364.9
81
42
353.4
82
43
342.2
83
44
331.5
84
45
321.2
85
46
311.3
86
47
301.7
87
48
292.4
88
49
283.5
89
50
274.9
90
51
266.6
91
52
258.6
92
53
250.9
93
54
243.4
94
55
236.2
95
56
229.3
96
57
222.6
97
58
216.1
98
59
209.8
99
60
203.8
100
61
197.9
101
62
192.2
102
63
186.8
103
64
181.5
104
65
176.4
105
66
171.4
106
67
166.7
107
68
162.0
108
69
157.6
109
21
Ohms
Temp
+110
153.2
149.0
111
145.0
112
141.1
113
137.2
114
133.6
115
130.0
116
126.5
117
123.2
118
119.9
119
116.8
120
113.8
121
110.8
122
107.9
123
105.2
124
102.5
125
99.9
126
97.3
127
94.9
128
92.5
129
90.2
130
87.9
131
85.7
132
83.6
133
81.6
134
79.6
135
77.6
136
75.8
137
73.9
138
72.2
139
70.4
140
68.8
141
67.1
142
65.5
143
64.0
144
62.5
145
61.1
146
59.6
147
58.3
148
56.8
149
55.6
150