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Thermocouple and Thermocouple Wire Specifications
, Thermocouple Extension Wire Specifications
Type: T, J, E, K,
N, R, S, B, T*,
E*, K*
TX, JX, EX, KX,
NX
(* = limits of error for below 0° C)
Thermocouple and
Thermocouple Wire Specifications
|
T/C
Type |
Temperature
Range |
Limits of Error (whichever
is greater) |
Color Code
of Conductors (US
and Canadian) |
|
Standard |
Special |
Positive
(+) |
Negative
(-) |
|
T |
0° to 133°
C (32° to 270° F)
133° to 350° C
(270° to 662° F) |
± 1°
C (2° F)
± 0.75% |
± 0.5°
C (1° F)
± 0.4% |
Blue |
Red |
|
J |
0° to 293°
C (32° to 559° F)
293° to 750° C
(599° to 1382° F) |
± 2.2°
C (4° F)
± 0.75% |
± 1.1°
C (2° F)
± 0.4% |
White |
Red |
|
E |
0° to 340°
C (32° to 644° F)
340° to 900° C
(644° to 1652° F) |
± 1.7°
C (3° F)
± 0.5% |
± 1°
C (2° F)
± 0.4% |
Purple |
Red |
|
K |
0° to 293°
C (32° to 559° F)
293° to 1250° C
(559° to 2282° F) |
± 2.2°
C (4° F)
± 0.75% |
± 1.1°
C (2° F)
± 0.4% |
Yellow |
Red |
|
N |
0° to 293°
C (32° to 559° F)
293° to 1250° C
(559° to 2282° F) |
± 2.2°
C (4° F)
± 0.75% |
± 1.1°
C (2° F)
± 0.4% |
Orange |
Red |
|
R, S |
0° to 600°
C (32° to 1112° F)
600° to 1450° C
(1112° to 2642° F) |
± 1.5°
C (3° F)
± 0.25% |
± 0.6°
C (1° F)
± 0.1% |
Black |
Red |
|
B |
870° to 1700°
C (1598° to 3092°
F) |
± 0.5% |
---------------------- |
Black |
Red |
|
T* |
-200° to -66°
C (-328° to -87°
F)
-66° to 0° C (-87°
to 32° F) |
± 1°
C (2° F)
± 1.5% |
---------------------- |
|
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E* |
-200° to -100°
C (-328° to -148°
F)
-100° to 0° C
(-148° to 32° F) |
± 1.1°
C (3° F)
± 1.0% |
---------------------- |
|
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|
K* |
-200° to -110°
C (-328° to -166°
F)
-110° to 32° C
(-166° to 32° F) |
± 2.2°
C (4° F)
± 2% |
---------------------- |
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Thermocouple Extension Wire
Specifications
|
T/C |
Temperature |
Limits of Error (whichever
is greater) |
|
Type |
Range |
Standard |
SPECIAL |
|
TX |
0° to 100°
C (32° to 212° F) |
± 1°
C (2° F) |
± 0.5°
C (1° F) |
|
JX |
0° to 200°
C (32° to 392° F) |
± 2.2°
C (4° F) |
± 1.1°
C (2° F) |
|
EX |
0° to 200°
C (32° to 392° F) |
± 1.7°
C (3° F) |
------------- |
|
KX |
0° to 200°
C (32° to 392° F) |
± 2.2°
C (4° F) |
------------- |
|
NX |
0° to 200°
C (32° to 392° F) |
± 2.2°
C (4° F) |
------------- |
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