THERMOCOUPLE     EXTENSION     WIRE    
  Tolerance of Thermocouple Extension Wire
JIS C   1610 - 1981
ANSI MC   96.1 - 1982
Extension
Wire Types
Material of
Conductor
Temp. Range

Limits of Error
Extension
Wire Types
Temp. Range

Limits of Error
JIS
- ' 81
JIS
- ' 74
+
Positive
-
Negative
Standard
Specail
Standard
Specail
BX
-
Cu
Cu
0 ~ 100
-
-
BX
0 ~ 100
+0.000mV
-0.033mV
-
RX
SX
-
Cu
Cu-Ni Alloy
0 ~ 150
+3℃
-7℃
-
RX
SX
0 ~ 200
±0.057mV
-
-
WPR
Cu
Cu-Ni Alloy
0 ~ 150
+3℃
-7℃
-
RX
SX
0 ~ 200
±0.057mV
-
KX
WCA
Ni-Cr Alloy
Ni Alloy
-20 ~ 150
±2.5℃
±1.5℃
KX
0 ~ 200
±2.2℃
±1.1℃
WX
WCA
Fe
Cu-Ni Alloy
-20 ~ 150
±3.0℃
-
(WX)
(0 ~ 100)
(±2.2℃)
(±1.1℃)
VX
WCA
Cu
Cu-Ni Alloy
-20 ~ 150
±2.5℃
-
-
-
-
-
EX
WCRC
Ni-Cr Alloy
Cu-Ni Alloy
-20 ~ 150
±2.5℃
±1.5℃
EX
0 ~ 200
±1.7℃
±0.9℃
JX
WIC
Fe
Cu-Ni Alloy
-20 ~ 150
±2.5℃
±1.5℃
JX
0 ~ 200
±2.2℃
±1.1℃
TX
WCC
Cu
Cu-Ni Alloy
-20 ~ 150
±2.0℃
±1.0℃
TX
-60 ~ 100
±1.0℃
±0.5℃
KX, WX, VX are intended for use with type K thermocouple.

  Nominal Overall Diameter
Conductor
of Core
Insulation
Outer
Diameter
Size
(mm)
Outer
Diameter
Thickness
(mm)
Outer
Diameter
without
Shield
with
Shield
PVC
7/0.3
0.9
0.6
1.9
3.1x5.0
3.7x5.6
7/0.65
1.95
0.6
3.15
4.8x7.9
5.4x8.5
4/0.65
1.57
0.5
2.77
4.4x7.2
5.0x7.8
4/0.3
0.7
0.5
1.2
2.8x4.8
3.4x5.4
Glass
7/0.32
0.9
0.4
2.3x4.0
2.9x4.6
7/0.65
1.95
0.4
3.4x6.2
4.0x6.8
4/0.65
1.57
0.4
3.0x5.4
3.6x6.0
4/0.32
0.7
0.4
2.0x3.8
2.6x4.4

  MODEL CODE

SPECIFICATION
□□-□□-□-□
TYPE
B Thermocouple
R Thermocouple
S Thermocouple
K Thermocouple
V Thermocouple
W Thermocouple
J Thermocouple
T Thermocouple
E Thermocouple
BX
RX
SX
KX
VX
WX
JX
TX
EX
INSULATOR
SHEATH
PVC
Glass Fiber
VV
GG
SIZE
Φ0.65x7P
Φ0.32x7P
Φ0.65x4P
Φ0.32x4P
7/0.65
7/0.32
4/0.65
4/0.32
SHIELD
with Shield
without Shield
S
N