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Thermocouple Conversion Tables
B-7
Type K
Thermocouples
11
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
3.9575518
+1
3.1063355
-2
-9.1607995
-5
3.0006628
-8
-1.1 to 1.2
-200 to 0
3.9478446
+1
2.8256412
-2
-1.1488433
-4
-2.8153447
-8
-.08 to .05
-200 to 800
3.6762217
+1
2.4544587
-2
-4.3081993
-5
2.5127588
-8
-180 to 200
-20 to 500
4.0999640
+1
-3.2619221
-3
8.5714137
-6
-1.6912373
-9
-25 to 45
0 to 400
4.0981103
+1
-1.5992510
-4
-1.2525700
-5
3.2784725
-8
-25 to 20
0 to 1370
3.9443859
+1
5.8953822
-3
-4.2015132
-6
1.3917059
-10
-60 to 110
400 to 1000
1.3223524
+3
3.0191663
+1
2.7508912
-2
-2.4734437
-5
6.9799332
-9
-.9 to 1.4
400 to 1370
-3.5456236
+1
3.8349319
+1
9.9993329
-3
-8.7444446
-6
1.7108618
-9
-12 to 11
600 to 800
2.1326086
+3
2.5608012
+1
3.7091744
-2
-3.3517324
-5
9.9607405
-9
-.05 to .07
850 to 1000
-9.0373549
+2
4.0577145
+1
9.5092149
-3
-1.0989249
-5
3.0753213
-9
-.05 to .03
1050 to 1150
-2.5972816
+3
5.2075276
+1
-1.4576419
-2
9.4854151
-6
-3.1178779
-9
-.05 to .05
Reference
Junction
Correction
0 to 50
3.9448872
+1
2.4548362
-2
-9.0918433
-5
-.06 to +.14
11
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 K
Thermocouples
12
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
1.2329875
-2
-1.4434305
-5
-4.2824995
-9
-4.2028679
-13
-11 to 8
-200 to 0
2.3783697
-2
-2.4382217
-6
-6.8203073
-10
-9.4854031
-14
-.5 to .5
-200 to 800
2.8346886
-2
-5.8008526
-7
2.5720615
-11
-3.6813679
-16
-8 to 10
-20 to 500
2.4363851
-2
5.6206931
-8
-3.8825620
-12
3.9120208
-17
-1.2 to .6
0 to 400
2.4383248
-2
9.7830251
-9
3.6276965
-12
-2.5756438
-16
-.5 to .6
0 to 1370
2.5132785
-2
-6.0883423
-8
5.5358209
-13
9.3720918
-18
-2.4 to 1.2
400 to 1000
-2.4707112
+1
2.9465633
-2
-3.1332620
-7
6.5075717
-12
-3.9663834
-17
-.02 to .02
400 to 1370
6.2300671
+0
2.4955374
-2
-7.8788333
-8
1.3269743
-12
1.5580541
-18
-.3 to .3
600 to 800
-3.9480992
+1
3.1425797
-2
-4.0905633
-7
8.5482602
-12
-5.5696636
-17
-.001 to .001
850 to 1000
-3.1617495
+0
2.7115517
-2
-2.1941995
-7
4.8782826
-12
-2.9316611
-17
-.0012 to .0012
1050 to 1150
2.3615582
+2
1.1066277
-3
8.2516607
-7
-1.3558849
-11
9.1638500
-17
-.001 to .001
12
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.
Содержание 2001-TCSCAN
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