User guide

63
Appendix B Guidelines to Thermocouple Selection
Type E
Temperature range ................................. -250°C to 871°C
Environmental tolerance ........................ oxidizing, inert atmospheres.
Color ...................................................... violet, + lead violet, - lead red
Type J
Temperature range ................................. 0°C to 760°C
Environmental tolerance ........................ vacuum, oxidizing, reducing or inert
atmospheres.
Color ...................................................... black, + lead white, - lead red
Type K
Temperature range ................................. -250°C to 1260°C
Environmental tolerance ........................ continuous use in oxidizing or inert
atmospheres.
Color ...................................................... yellow, + lead yellow, - lead red
Type N
Temperature range ................................. 0°C to 1250°C
Environmental tolerance ........................ continuous use in oxidizing or inert
atmospheres.
Color ...................................................... orange, + lead orange, - lead red
Type T
Temperature range ................................. -184°C to 371°C
Environmental tolerance ........................ vacuum, oxidizing reducing or inert
atmospheres.
Color ...................................................... blue, + lead blue, - lead red
Type B
Temperature range ................................. 870°C to 1700°C
Environmental tolerance ........................ oxidizing or inert atmospheres.
Color ...................................................... grey, + lead grey, - lead red
Type R
Temperature range ................................. 0°C to 1480°C
Environmental tolerance ........................ oxidizing or inert atmospheres.
Color ...................................................... green, + lead black, - lead red
Type S
Temperature range ................................. 0°C to 1480°C
Environmental tolerance ........................ oxidizing or inert atmospheres.
Color ...................................................... green, + lead black, - lead red
Appendix C Temperature Conversion
Fahrenheit - Centigrade Centigrade - Kelvin
One Fahrenheit degree is 5/9 of a K = °C - 273.18
Centigrade degree so the following °C = K + 273.18
formulas apply:
°F = (9/5)°C + 32 Fahrenheit - Rankin
°C = (°F - 32)(5/9) °R = °F + 459.67
°F = °R - 459.67
BA 62-66 10/12/01, 11:09 AM63