Lakeshore 330 User Manual page 86

Lake Shore Model 330 Autotuning Temperature Controller User's Manual
Table A-2. Thermocouple Curves - Chromel versus Gold / Iron
Breakpoint
Number
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
30
31
Table A-3. Thermocouple Curves - Chromel versus Copper
Chromel vs Constantan
Breakpoint
Number
Temp. (K)
1
2
3
4
5 13.5
6 19.0
7 25.0
8 32.0
9 40.0
10 50.0
11 60.0
12 70.0
13 80.0
14 90.0
15 105.0
16 120.0
17 135.0
18 150.0
19 170.0
20 190.0
21 210.0
22 235.0
23 260.0
24 290.0
25 320.0
26 350.0
27 385.0
28 420.0
29 460.0
30 475.0
31 999.9
A-2
Chromel vs. Au - 0.03 at % Fe
Temp. (K)
0.0
3.5
8.0
13.5
18.0
24.0
30.0
52.0
60.0
65.0
70.0
80.0
90.0
105.0
115.0
125.0
135.0
145.0
160.0
170.0
180.0
195.0
210.0
225.0
240.0
265.0
275.0
285.0
305.0
325.0
999.9
E V (mV)
TC
0.0 -15.0000
3.0 – 9.8355
5.6 – 9.8298
9.0 – 9.8182
– 9.7956
– 9.7570
– 9.7013
– 9.6204
– 9.5071
– 9.3366
– 9.1345
– 8.9030
– 8.6475
– 8.3673
– 7.9064
– 7.3943
– 6.8386
– 6.2400
– 5.3831
– 4.4564
– 3.4702
– 2.1605
– 0.7666
+ 0.9948
+ 2.8428
+ 4.7704
+ 7.1149
+ 9.5570
+12.4425
+13.5573
+15.0010
Chromel vs. Au - 0.07 at % Fe
V (mV) Temp. (K)
TC
– 15.0000 0.0
– 4.6676 1.4
– 4.6067 3.0
– 4.5259 4.8
– 4.4571 7.0
– 4.3703 10.5
– 4.2869 19.0
– 3.9928 26.0
– 3.8830 48.0
– 3.8126 58.0
– 3.7411 70.0
– 3.5948 80.0
– 3.4436 90.0
– 3.2026 100.0
– 3.0374 110.0
– 2.8689 120.0
– 2.6957 135.0
– 2.5184 150.0
– 2.2468 165.0
– 2.0615 180.0
– 1.8725 200.0
– 1.5839 220.0
– 1.2905 245.0
– 0.9912 270.0
– 0.6847 300.0
– 0.1670 305.0
+ 0.0378 310.0
+ 0.2387 315.0
+ 0.6350 320.0
+ 1.0387 325.0
+15.0010 999.9
Chromel vs Alumel
K V (mV)
Temp. (K)
TC
0.0 -15.0000
3.0 – 6.4582
6.0 – 6.4551
10.0 – 6.4486
47.5 – 6.4376
19.5 – 6.4205
25.0 – 6.3951
32.0 – 6.3529
40.0 – 6.2913
48.0 – 6.2149
58.0 – 6.1022
65.0 – 6.0099
75.0 – 5.8634
85.0 – 5.6989
95.0 – 5.5156
105.0 – 5.3166
120.0 – 4.9881
135.0 – 4.6240
150.0 – 4.2267
165.0 – 3.7994
185.0 – 3.1866
205.0 – 2.5259
230.0 – 1.6463
260.0 – 0.5186
295.0 + 0.8688
350.0 + 3.1298
395.0 + 4.9999
460.0 + 7.6164
510.0 + 9.6125
575.0 +12.2790
999.9 +15.0010
V (mV)
TC
– 15.0000
– 5.2982
– 5.2815
– 5.2594
– 5.2285
– 5.1742
– 5.0315
– 4.9126
– 4.5494
– 4.3810
– 4.1733
– 3.9952
– 3.8132
– 3.6270
– 3.4370
– 3.2435
– 2.9477
– 2.6452
– 2.3372
– 2.0242
– 1.6004
– 1.1693
– 0.6232
– 0.0705
+ 0.5986
+ 0.7158
+ 0.8431
+ 0.9944
+ 1.1940
+ 1.4841
+15.0010
Copper vs Constantan
T V (mV)
Temp. (K)
TC
0.0 -15.0000
3.0 – 6.2584
6.5 – 6.2523
11.0 – 6.2401
16.5 – 6.2184
22.0 – 6.1888
29.0 – 6.1404
38.0 – 6.0615
48.0 – 5.9535
60.0 – 5.7995
75.0 – 5.5753
90.0 – 5.3204
105.0 – 5.0337
120.0 – 4.7194
135.0 – 4.3767
155.0 – 3.8781
175.0 – 3.3278
195.0 – 2.7342
220.0 – 1.9295
245.0 – 1.0586
270.0 – 0.1254
300.0 + 1.0616
330.0 + 2.3247
360.0 + 3.6639
395.0 + 5.3095
430.0 + 7.0419
470.0 + 9.1113
510.0 +11.2758
555.0 +13.8053
575.0 +14.9685
999.9 +15.0010
Appendix A