APPENDIX 1.
A - 7
1.3 Compensating Wire
1.3.1 Types and Specifications of Compensating Wire
Combined
thermocouple
Compensating
wire
Material
Color of Core
fiber
Remark
Code
Previous code
Code
Previous code
Class
+ part
- part
Operating temperature(
°
°°
°
C)
Junction temperature
(
°
°°
°
C)
Compensating wire error
tolerance(
Ω
ΩΩ
Ω
)
Wire dielectrics(
Ω
ΩΩ
Ω
)
(3)
Color of surface fiber
+ -
Compensatio
n type
B - BX-G -
General
/Normal
Cu Cu
0 to
90
0 to
100
-
(1)
0.0
5
gray red white
R
RX-G
SX-G
General
/Normal
0 to
90
S
-
RX-H
SX-H
-
Heat tolerance
/Normal
Cu
Cu/Ni
alloy
0 to
150
0 to
150
+3
(2)
-7
0.1 black red white
compensation
type
KX-G WCA-G
General
/Normal
±
2.5
KX-
GS
WCA-
GS
General
/Precision
-20
to
90
±
1.5
KX-H WCA-H
Heat tolerance
/Normal
±
2.5
KX-HS
WCA-
HS
Heat tolerance
/Precision
Ni/Cr
alloy
Ni
alloy
0 to
150
±
1.5
1.5
expansion type
WX-G WCA-G
General
/Normal
-20
to
90
WX-H WCA-H
Heat tolerance
/Normal
Fi
Cu/Ni
alloy
0 to
150
-20 to
150
±
3.0
0.5
K CA
VX-G WCA-G
General
/Normal
Cu
Cu/Ni
alloy
-20
to
90
-20 to
100
0.8
blue red white
compensation type
EX-G
WCRC-
G
General
/Normal
-20
to
90
E CRC
EX-H
WCRC-
H
Heat tolerance
/Normal
Ni/Cr
alloy
Cu/Ni
alloy
0 to
150
1.5 violet red white
expansion
type
JX-G WIC-G
General
/Normal
-20
to
90
J IC
JX-H WIC-H
Heat tolerance
/Normal
Fi
Cu/Ni
alloy
0 to
150
±
2.5
0.8 yellow red white
expansion
type
TX-G WCC-C
General
/Normal
±
2.0
TX-GS -
General
/Precision
-20
to
90
±
1.0
TX-H WCC-H
Heat tolerance
/Normal
±
2.0
T CC
TX-HS -
Heat tolerance
/Precision
Cu
Cu/Ni
alloy
0 to
150
-20 to
150
±
1.0
0.8 brown red white
expansion type
REMARK
Note (1) : The BX-G uses same material core(Cu) on the two parts of + and -. Therefore, error tolerance is not
defined.
Note (2) : The thermocouple type R and S’s thermelectromotive force characteristics is non-linear, so it is not real
measurement error of temperatures.
Note (3) : This should be applied to the wires of 1.25 mm
2
or more section area.
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