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A
A P P E N D I X
Steinhart-Hart Constants
Table A.1 Nominal Steinhart-Hart Constants for some Thermistors
Manufacturer and Type
Fenwal 3K @ 25C Curve 1
Fenwal 5K @ 25C Curve 1
Fenwal 10K @ 25C Curve 1
Fenwal 3K @ 25C Curve 10A
Fenwal 5K @ 25C Curve 10A
Fenwal 10K @ 25C Curve 10A
Fenwal 3K @ 25C Curve 16
Fenwal 5K @ 25C Curve 16
Fenwal 10K @ 25C Curve 16
Fenwal 3K @ 25C Curve 17
Fenwal 5K @ 25C Curve 17
Fenwal 10K @ 25C Curve 17
Fenwal 3K @ 25C Curve 18
Fenwal 5K @ 25C Curve 18
Fenwal 10K @ 25C Curve 18
Dale 2K @ 25C Curve 1
Dale 3K @ 25C Curve 1
Dale 4K @ 25C Curve 1
Dale 5K @ 25C Curve 1
Dale 6K @ 25C Curve 1
Dale 7K @ 25C Curve 1
Dale 8K @ 25C Curve 1
Dale 9K @ 25C Curve 1
Dale 10K @ 25C Curve 1
Dale 2K @ 25C Curve 2
Dale 5K @ 25C Curve 2
Dale 10K @ 25C Curve 2
Dale 10K @ 25C Curve 9
Dale 2.252K @ 25C Curve 1
Spectra Diode Labs Modules
Lasertron Modules
General Optronics Modules
The nominal S-H constant values listed above were determined from the manufacturer's raw data,
assuming 0% resistance tolerance. The better the tolerance of your thermistor, the better the
accuracy when using these nominal values.
22
LDT-5412
C1
C2
1.557
2.162
1.448
2.152
1.302
2.137
1.089
2.712
0.957
2.690
0.780
2.660
1.405
2.369
1.286
2.360
1.126
2.346
0.999
2.807
0.864
2.780
0.685
2.742
1.436
2.289
1.324
2.271
1.174
2.246
1.500
2.377
1.405
2.369
1.338
2.364
1.286
2.360
1.244
2.356
1.208
2.353
1.177
2.351
1.150
2.348
1.126
2.346
1.259
2.669
1.024
2.638
0.848
2.615
1.031
2.388
1.472
2.375
0.848
2.615
1.126
2.346
1.126
2.346
C3
1.259
1.165
1.058
1.812
1.707
1.582
1.006
0.939
0.861
2.091
1.977
1.840
1.657
1.553
1.432
1.067
1.006
0.968
0.939
0.918
0.900
0.885
0.872
0.861
1.509
1.349
1.248
1.576
1.048
1.248
0.861
0.861
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