Model 4000 Series (4050 included) Vibrating Wire Strain Gauges

Appendix C.Thermistor Temperature Derivation

3kΩ Thermistor ResistancE

Thermistor Types:

■YSI 44005, Dale #1C3001–B3, Alpha #13A3001–B3

■Honeywell 192–302LET–A01

Resistance to Temperature Equation:

T =	1	– 273.15 °C
	A+B(LnR)+C(LnR)³

Equation 7: 3kΩ Thermistor Resistance

Where:

T = Temperature in °C

LnR = Natural Log of Thermistor Resistance

A = 1.4051 x 10^–3

B = 2.369 x 10^–4

C = 1.019 x 10^–7

Note: Coefficients calculated over the –50 to +150 °C span.

Ohms	Temp
201.1K	–50
187.3K	–49
174.5K	–4f8
162.7K	–47
151.7K	–46
141.6K	–45
132.2K	–44
123.5K	–43
115.4K	–42
107.9K	–41
101.0K	–40
94.48K	–39
88.46K	–38
82.87K	–37
77.66K	–36
72.81K	–35
68.30K	–34
64.09K	–33
60.17K	–32
56.51K	–31
53.10K	–30
49.91K	–29
46.94K	–28
44.16K	–27
41.56K	–26
39.13K	–25
36.86K	–24
34.73K	–23
32.74K	–22
30.87K	–21
29.13K	–20
27.49K	–19
25.95K	–18
24.51K	–17
23.16K	–16
21.89K	–15
20.70K	–14
19.58K	–13
18.52K	–12
17.53K	–11
16.60K	–10
15.72K	–9
14.90K	–8
14.12K	–7
13.39K	–6
12.70K	–5
12.05K	–4
11.44K	–3
10.86K	–2
10.31K	–1
9796	0
9310	1
8851	2
8417	3
8006	4
7618	5
7252	6
6905	7
6576	8
6265	9
5971	10
5692	11
5427	12
5177	13
4939	14
4714	15
4500	16
4297	17
4105	18
3922	19
3748	20
3583	21
3426	22
3277	23
3135	24
3000	25
2872	26
2750	27
2633	28
2523	29
2417	30
2317	31
2221	32
2130	33
2042	34
1959	35
1880	36
1805	37
1733	38
1664	39
1598	40
1535	41
1475	42
1418	43
1363	44
1310	45
1260	46
1212	47
1167	48
1123	49
1081	50
1040	51
1002	52
965.0	53
929.6	54
895.8	55
863.3	56
832.2	57
802.3	58
773.7	59
746.3	60
719.9	61
694.7	62
670.4	63
647.1	64
624.7	65
603.3	66
582.6	67
562.8	68
543.7	69
525.4	70
507.8	71
490.9	72
474.7	73
459.0	74
444.0	75
429.5	76
415.6	77
402.2	78
389.3	79
376.9	80
364.9	81
353.4	82
342.2	83
331.5	84
321.2	85
311.3	86
301.7	87
292.4	88
283.5	89
274.9	90
266.6	91
258.6	92
250.9	93
243.4	94
236.2	95
229.3	96
222.6	97
216.1	98
209.8	99
203.8	100
197.9	101
192.2	102
186.8	103
181.5	104
176.4	105
171.4	106
166.7	107
162.0	108
157.6	109
153.2	110
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

table 5: 3KΩ Thermistor Resistance