Product Manual

Documenting Process Calibrator
Measure Mode
37
Table 7. Thermocouple Types Accepted
Type
Positive Lead
Material
Positive Lead (H)
Color
Negative Lead
Material
Specified Range
(°C)
ANSI
[1]
IEC
[2]
E
Chromel Purple Violet Constantan
-250 to 1000
N
Ni-Cr-Si Orange Pink Ni-Si-Mg
-200 to 1300
J
Iron White Black Constantan
-210 to 1200
K
Chromel Yellow Green Alumel
-270 to 1372
T
Copper Blue Brown Constantan
-250 to 400
B
Platinum (30 %
Rhodium)
Gray Platinum (6 % Rhodium)
600 to 1820
R
Platinum (13 %
Rhodium)
Black Orange Platinum
-20 to 1767
S
Platinum (10 %
Rhodium)
Black Orange Platinum
-20 to 1767
C
[3]
Tungsten (5 % Rhenium) White Tungsten (26 % Rhenium)
0 to 2316
L (DIN J)
Iron Constantan
-200 to 900
U (DIN T)
Copper Constantan
-200 to 600
GOST
BP
95 % W + 5 % Re Red or Pink 80 % W + 20 % Re
0 to 2500
XK
90.5 % Ni = 9.5 % Cr Violet or Black 56 % CU + 44 % Ni
-200 to 800
[1] American National Standards Institute (ANSI) device negative lead (L) is always red.
[2] International Electrotechnical Commission (IEC) device negative lead (L) is always white.
[3] Not an ANSI designation but a Hoskins Engineering Company designation.