LSIS XBF-AH04A - Page 609

Appendix 2 Thermo electromotive force and compensating force
Appendix 2 - 4
2.2.2 Allowance by temperature
Symbol of materials
Former symbols (cf)
Temperature
Grade
Allowance
K
CA
0 C ~ lower than 1000C
0.4
1.5C or 0.4% of temperature measured
0C ~ lower than 1200C
0.75
2.5C or 0.75% of temperature measured
-200C~ lower than 0C
1.5
2.5C or 1.5% of temperature measured
J
IC
0C~ lower than 750C
0.4
1.5 C or 0.4% of temperature measured
0C~ lower than 750C
0.75
2.5C or 0.75% of temperature measured
T
CC
0C~ lower than 350C
0.4
0.5C or 0.4% of temperature measured
0C~ lower than 350C
0.75
1C or 0.75% of temperature measured
-200C~ lower than 0C
1.5
1C or  1.5% of temperature measured
R
-
0 C ~ lower than 1600C
0.25
1.5 C or 0.25% of temperature measured
Remark
Allowance refers to the allowable max. limit subtracting the actual temperature of junction from the converted temperature,
based on thermo electromotive force table. In addition, the allowance will be bigger one of C or %.