Thermocouple Temperature Ranges

Thermocouple Type General Application Range Generic and Trade Names
B 2500-3100ºF(1370-1700ºC) Platinum 30% Rhodium(BP)
Platimun 6% Rhodium (BN)
C* 3400-4200ºF(1650-2315ºC) W5Re(Tungsten 5% Rhenium)(CP)
W26Re(Tungsten 26% Rhenium (CN)
E** 200-1650ºF(95-900ºC) CHROMEL®, Tophel®, HAI-KP® (EP)
Constantan, Cupron®, Advance®(EN)
J 200-1400ºF(95-760ºC) Iron (JP)
Constantan, Cupron®, Advance®(JN)
K** 200-2300ºF(95-1260ºC) CHROMEL®, Tophel®, HAI-KP® (KP)
Alumel®, NialV, HAI-KN® (KN)
N 1200-2300ºF(650-1260ºC) Nicrosil (NP)
Nisil (NN)
R 1600-2640ºF(870-1450ºC) Platinum 13% Rhodium (SP)
Pure Platinum (RN)
S 1800-2640ºF(980-1450ºC) Platinum 10% Rhodium (SP)
Pure Platinum (RN)
T** 32-660ºF(0-350ºC) Copper (TP)
Constantan, Cupron®, Advance® (TN)


*Not an ASTM E -230 Symbol
**Also used for cryogenic applications from -3-29 to 3-2ºf

Chromel®, Alumel® are registered trademarks of Hoskins Mfg. Co.
Cupron®, Nial®, Tophel® are registered trademarks of Carpenter Tech.
Tophel®, HAI-KP® and HAI-KN® are registered trademarks of Harrison Alloys Co.