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Type
J
Thermocouples'"
Temperature
Range {°C)
I.
Quartic Equation
-200to0
-200 to 760
- 200 to 1200
-20to500
0 to 400
0 to 760
0 to 1200
400 to 760
400 to 1200
600 to 760
760 to 1200
•o
Argument
9.2808351
-1.1075293
1.8020713
-6.3828680
•1
Exp.
Argument
Exp.
Argument
1.8843850
-2
-1.2029733
2.1155170
-2
- 3.3513149
2.1676850
-2
-2.1844464
1.9745056
-2
-1.8094256
1.9750953
-2
-1.8542600
1.9323799
-2
-1.0306020
1.8134974
-2
-5.6495930
+ 1
5.4463817
-3
6.5254537
+2
2.8651303
-2
- 2.9758175
+2
-4.5284199
-3
1.0769294
+2
7.4068749
-2
-1.7177773
Exp.
Argument
Exp.
-6
- 2.5278593
-10
-7
1.2443997
-11
-7
3.9094347
-12
-7
7.8m919
-12
-7
8.3683958
-12
-7
3.7084018
-12
-8
-2.4644023
-12
-7
-1.3997013
-11
-7
2.5945419
-12
-6
-2.1962321
-11
-6
2.1771293
-11
Argument
Exp.
-2.5849263
-14
-1.5227150
-16
- 2.4303017
-17
-1.1897222
-16
-1.3280568
-16
- 5.1031937
-17
2.1141718
-17
9.9364476
-17
-4.9012035
-18
1.5521511
-16
- 9.9502571
-17
Error
Range(µV)
Exact-Approx.
- .4 to .5
-6 to 7
- 14 to lo
- .07 to .06
- .03 to .05
- .9 to .7
-3 to 4
- .03 to .03
-1.3 to 1.6
- .001 to .001
-.15to .11
10
Quadratic, cubic, and quartic approximations to the data as a function of voltage in selected temperature ranges (°C). The expansion is of the form
T=ao+a1E+a2E2+a3E3+a4E4 where Eis in microvolts and Tis in degrees Celsius.
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