Keithley 2001-TCSCAN - Page 92

Thermocouple Conversion Tables
B-6
Type J
Thermocouples
9
Temperature
Range (¡C) a
0
a
1
a
2
a
3
a
4
Error
Range (µV)
Quartic Equation Argument Exp. Argument Exp. Argument Exp. Argument Exp. Argument Exp.
Exact-
Approx.
-200 to 0 5.0408743 +1 3.2009063 -2 -6.3493968 -5 2.5174022 -7 -.2 to .3
-200 to 760 4.9502533 +1 3.2898022 -2 -6.9936031 -5 5.1112729 -8 -100 to 80
-200 to 1200 4.7062907 +1 2.5522650 -2 -2.2198295 -5 7 1373907 -9 -500 to 600
-20 to 500 5.0465304 +1 2.8062596 -2 -6.5666305 -5 5.3587106 -8 -1.5 to 3.0
0 to 400 5.0452399 +1 2.8409137 -2 -6.7556436 -5 5.6382040 -8 -.8 to .5
0 to 760 5.1258213 +1 2.0040854 -2 -4.2235982 -5 3.2819408 -8 -24 to 36
0 to 1200 5.5861877 +1 -1.4207954 -2 3.1325181 -5 -1.5023710 -8 -210 to 160
400 to 760 -5.7931005 +3 9.7718575 +1 -1.1658430 -1 1.3184454 -4 -4.8218788 -8 -2.5 to 2.8
400 to 1200 7.1127371 +3 1.8969007 +1 5.3862730 -2 -2.2171472 -5 1.8445398 -10 -110 to 100
600 to 760 -2.5724435 +4 2.2157898 +2 -4.0418097 -1 4.2749984 -4 1.6174242 -7 -.1 to .1
760 to 1200 3.9064962 +4 -1.4765017 +2 3.6470921 -1 -2.7029005 -4 7.2113090 -8 -11 to 11
Reference
Junction
Correction
0 to 50 5.0373743 +1 3.0167011 -2 -7.4293513 -5 -.06 to +.06
9
Quartic approximations to the data as a function of temperature (¡C) in selected temperature ranges.
The expansion is of the form E = a
0
+ a
1
T + a
2
T
2
+ a
3
T
3
+ a
4
T
4
where E is in microvolts and T is in degrees Celsius.
Type J
Thermocouples
10
Temperature
Range (¡C) a
0
a
1
a
2
a
3
a
4
Error
Range (¡C)
Quartic Equation Argument Exp. Argument Exp. Argument Exp. Argument Exp. Argument Exp.
Exact-
Approx.
-200 to 0 1.8843850 -2 -1.2029733 -6 -2.5278593 -10 -2.5849263 -14 -.4 to .5
-200 to 760 2.1155170 -2 -3.3513149 -7 1.2443997 -11 -1.5227150 -16 -6 to 7
-200 to 1200 2.1676850 -2 -2.1844464 -7 3.9094347 -12 -2.4303017 -17 -14 to 10
-20 to 500 1.9745056 -2 -1.8094256 -7 7.8777919 -12 -1.1897222 -16 -.07 to .06
0 to 400 1.9750953 -2 -1.8542600 -7 8.3683958 -12 -1.3280568 -16 -.03 to .05
0 to 760 1.9323799 -2 -1.0306020 -7 3.7084018 -12 -5.1031937 -17 -.9 to .7
0 to 1200 1.8134974 -2 -5.6495930 -8 -2.4644023 -12 2.1141718 -17 -3 to 4
400 to 760 9.2808351 +1 5.4463817 -3 6.5254537 -7 -1.3987013 -11 9.9364476 -17 -.03 to .03
400 to 1200 -1.1075293 +2 2.8651303 -2 -2.9758175 -7 2.5945419 -12 -4.9012035 -18 -1.3 to 1.6
600 to 760 1.8020713 +2 -4.5284199 -3 1.0769294 -6 -2.1962321 -11 1.5521511 -16 -.001 to .001
760 to 1200 -6.3828680 +2 7.4068749 -2 -1.7177773 -6 2.1771293 -11 -9.9502571 -17 -.15 to .11
10
Quartic approximations to the data as a function of voltage in selected temperature (¡C).
The expansion is of the form T = a
0
+ a
1
E + a
2
E
2
+ a
3
E
3
+ a
4
E
4
where E is in microvolts and T is in degrees Celsius.