Thermocouple Temperature Limit Comparison

Specific Temperature Ranges for Thermocouples

Type K Thermocouple

  • Thermocouple grade wire, –454°F to 2,300°F (–270°C to 1260°C)
  • Extension wire, 32°F to 392°F (0°C to 200°C)

Type J Thermocouple

  • Thermocouple grade wire, -346°F to 1,400°F (-210°C to 760°C)
  • Extension wire, 32°F to 392°F (0°C to 200°C)

Type T Thermocouple

  • Thermocouple grade wire, -454°F to 700°F (-270°C to 370°C)
  • Extension wire, 32°F to 392°F (0°C to 200°C)

Type E Thermocouple

  • Thermocouple grade wire, -454°F to 1600°F (-270°C to 870°C)
  • Extension wire, 32°F to 392°F (0°C to 200°C)

Type N Thermocouple

  • Thermocouple grade wire, -454°F to 2300°F (-270°C to 1260°C)
  • Extension wire, 32°F to 392°F (0°C to 200°C)

Type S Thermocouple

  • Thermocouple grade wire, -58°F to 2700°F (-50°C to 1480°C)
  • Extension wire, 32°F to 392°F (0°C to 200°C)

Type R Thermocouple

  • Thermocouple grade wire, -58°F to 2700°F (-50°C to 1480°C)
  • Extension wire, 32°F to 392°F (0°C to 200°C)

Type B Thermocouple

  • Thermocouple grade wire, 32°F to 3100°F (0°C to 1700°C)
  • Extension wire, 32°F to 212°F (0°C to 100°C)