Thermocouple Types Accepted - Fluke 741B User Manual

Type Positive Lead
Material
E Chromel
N Ni-Cr-Si
J Iron
K Chromel
T Copper
B Platinum (30% Rhodium)
R Platinum (13% Rhodium)
S Platinum (10% Rhodium)
C *** Tungsten (5% Rhenium)
L (DIN J) Iron
U (DIN T) Copper
*American National Standards Institute (ANSI) device negative lead (L) is always red.
**International Electrotechnical Commission (IEC) device negative lead (L) is always white.
*** Not an ANSI designation but a Hoskins Engineering Company designation.
Table 5. Thermocouple Types Accepted
Positive Lead (H)
Color
ANSI* IEC**
Purple Violet Constantan
Orange Pink Ni-Si-Mg
White Black Constantan
Yellow Green Alumel
Blue Brown Constantan
Gray Platinum (6% Rhodium)
Black Orange Platinum
Black Orange Platinum
White Tungsten (26% Rhenium)
Constantan
Constantan
Documenting Process Calibrator
Negative Lead
Material
Using Measure Mode
Specified Range
( C)
-250 to 1000
-200 to 1300
-210 to 1200
-270 to 1372
-250 to 400
600 to 1820
-20 to 1767
-20 to 1767
0 to 2316
-200 to 900
-200 to 600
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