Lake Shore Model 218 Temperature Monitor User’s Manual
Appendix A
A-1
APPENDIX A
CURVE TABLES
A1.0 GENERAL
The following are curve tables applicable to the Model 218 Temperature Monitor.
Table A-1. Standard DT-470 Diode Curve
Breakpoint
V
Temp. (K)
Breakpoint
V
Temp. (K)
Breakpoint
V
Temp. (K)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
0.09062
0.10191
0.11356
0.12547
0.13759
0.14985
0.16221
0.17464
0.18710
0.19961
0.22463
0.24964
0.27456
0.28701
0.32417
0.36111
0.41005
0.44647
0.45860
0.50691
0.51892
0.55494
0.60275
0.63842
0.67389
0.70909
0.74400
0.77857
0.80139
475.0
470.0
465.0
460.0
455.0
450.0
445.0
440.0
435.0
430.0
420.0
410.0
400.0
395.0
380.0
365.0
345.0
330.0
325.0
305.0
300.0
285.0
265.0
250.0
235.0
220.0
205.0
190.0
180.0
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
0.82405
0.84651
0.86874
0.87976
0.89072
0.90161
0.91243
0.92317
0.93383
0.94440
0.95487
0.96524
0.97550
0.98564
0.99565
1.00552
1.01525
1.02482
1.03425
1.04353
1.05630
1.06702
1.07750
1.08781
1.08953
1.09489
1.09864
1.10060
1.10263
170.0
160.0
150.0
145.0
140.0
135.0
130.0
125.0
120.0
115.0
110.0
105.0
100.0
95.0
90.0
85.0
80.0
75.0
70.0
65.0
58.0
52.0
46.0
40.0
39.0
36.0
34.0
33.0
32.0
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
1.10476
1.10702
1.10945
1.11212
1.11517
1.11896
1.12463
1.13598
1.15558
1.17705
1.19645
1.22321
1.26685
1.30404
1.33438
1.35642
1.38012
1.40605
1.43474
1.46684
1.50258
1.59075
1.62622
1.65156
1.67398
1.68585
1.69367
1.69818
31.0
30.0
29.0
28.0
27.0
26.0
25.0
24.0
23.0
22.0
21.0
19.5
17.0
15.0
13.5
12.5
11.5
10.5
9.5
8.5
7.5
5.2
4.2
3.4
2.6
2.1
1.7
1.4