Lake Shore Model 231 User’s Manual
A-2
Curve Tables
Table A-2. Series PT-100 Platinum Resistance Curve
Temperature in kelvin (K), resistance in ohms (
), and slope in ohms per
kelvin (
/K). Temperature coefficient (237.15
–
373.15): 0.00385
/
/K.
Conforms to DIN 43760:1980; IEC 751:1983: and BS 1904:1984.
Class B
T (K)
R (
) *
dR/dT (
/K)
±K
±
14.0
20.0
30.0
40.0
50.0
70.0
100.0
150.0
200.0
300.0
400.0
500.0
600.0
700.0
800.0
900.0
1000.0
1.797
2.147
3.508
5.938
9.228
17.128
29.987
50.815
71.073
110.452
148.616
185.035
221.535
256.243
289.789
322.176
353.402
+0.035
+0.084
+0.190
+0.291
+0.361
+0.414
+0.411
+0.405
+0.399
+0.388
+0.376
+0.364
+0.353
+0.341
+0.330
+0.318
+0.306
1.32
1.17
0.92
0.67
0.43
0.93
1.43
1.93
2.43
2.93
3.43
3.93
0.55
0.48
0.37
0.27
0.17
0.35
0.52
0.68
0.83
0.97
1.09
1.20
* R (0 °C) = 100 Standard 751 IEC 1983 from 70 K to 1000 K.
Summary of Contents for 231
Page 4: ......
Page 5: ...Lake Shore Model 231 User s Manual ...
Page 6: ......
Page 24: ...Lake Shore Model 231 User s Manual 2 8 Installation This Page Intentionally Left Blank ...
Page 32: ...Lake Shore Model 231 User s Manual 4 6 Service This Page Intentionally Left Blank ...
Page 36: ...Lake Shore Model 231 User s Manual 5 4 Options Accessories This Page Intentionally Left Blank ...
Page 43: ......