Keithley 2001-TCSCAN - Page 91

Thermocouple Conversion Tables
B-5
Type E
Thermocouples
7
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.
-270 to 0 5.9287179 +1 7.0983783 -2 5.2421843 -5 3.8137875 -7 -5 to 5
-200 to 0 5.8754764 +1 5.7443085 -2 -5.0637772 -5 1.3960921 -7 -.5 to .4
-200 to 800 5.8043714 +1 5.6118501 -2 -5.9506584 -5 2.2327737 -8 -60 to 30
-20 to -500 5.8318735 +1 5.4292960 -2 -5.6288941 -5 2.0825828 -8 -8 to 4
0 to 400 5.8327591 +1 5.3761106 -2 -5.2870656 -5 1.5352840 -8 -3 to 4
0 to 1000 5.8734597 +1 5.0789891 -2 -4.7821793 -5 1.4659118 -8 -18 to 17
400 to 1000 -8.5384268 +2 6.5022632 +1 3.4354900 -2 -2.9769494 -5 7.6039401 -9 -2 to 2.5
600 to 800 -1.3839633 +3 6.7211126 +1 3.1669230 -2 -2.9237913 -5 8.1514671 -9 -.03 to .03
850 to 1000 -5.1503130 +4 -1.6691278 +2 4.1877018 -1 -3.1228607 -4 8.5283044 -8 -.06 to .06
Reference
Junction
Correction
0 to 50 5.8637565 +1 4.6720025 -2 -1.4438022 -5 -.12 to +.24
7
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 E
Thermocouples
8
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.
-270 to 0 2.8168878 -3 -8.5940057 -6 -1.4930918 -9 -8.7987588 -14 -9 to 6
-200 to 0 1.5726646 -2 -1.2102152 -6 -1.9577799 -10 -1.6696298 -14 -.3 to .3
-200 to 800 1.8432856 -2 -3.2311582 -7 6.9795810 -12 -5.1106852 -17 -8 to 7
-20 to 500 1.6970287 -2 -2.0830603 -7 4.6512717 -12 -4.1805785 -17 -.18 to .12
0 to 400 1.7022525 -2 -2.2097240 -7 5.4809314 -12 -5.7669892 -17 -.05 to .04
0 to 1000 1.6410783 -2 -1.3560189 -7 1.8600342 -12 -8.5537337 -18 -.9 to 1.4
400 to 1000 1.9669452 +1 1.4207735 -2 -5.1844510 -8 5.6361365 -13 -1.5646343 -18 -.03 to .03
600 to 800 2.5192188 +1 1.3909529 -2 -4.7201133 -8 5.5638718 -13 -1.7775228 -18 -.0005 to .0005
850 to 1000 -7.1102114 +2 5.6554599 -2 -9.7013068 -7 9.3938146 -12 -3.3333675 -17 -.001 to .001
8
Quartic approximations to the data as a function of voltage in selected temperature ranges (¡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.