Thermocouple Temperature Limit Comparison
| Thermocouple Temperature Operating Ranges | ||
|---|---|---|
| Type | Minimum Temp. °F | Maximum Temp. °F |
| K | -328 | 2300 |
| J | 32 | 1400 |
| T | -328 | 700 |
| E | -328 | 1600 |
| N | 32 | 2300 |
| S | 32 | 2700 |
| R | 32 | 2700 |
| B | 1600 | 3100 |
Temperature Limits of Wire Jackets
| Wire Jacket Limits | |
|---|---|
| Jacket | Temperature Limit |
| PVC | 221°F |
| Teflon | 400°F |
| Fiberglass | 900°F |
Specific Temperature Ranges for Thermocouples
Type K Thermocouple
- Thermocouple grade wire, –328°F to 2,300°F
- Extension wire, 32°F to 392°F
Type J Thermocouple
- Thermocouple grade wire, 32°F to 1,400°F
- Extension wire, 32°F to 392°F
Type T Thermocouple
- Thermocouple grade wire, -328°F to 700°F
- Extension wire, 32°F to 392°F
Type E Thermocouple
- Thermocouple grade wire, -328°F to 1600°F
- Extension wire, 32°F to 392°F
Type N Thermocouple
- Thermocouple grade wire, 32°F to 2300°F
- Extension wire, 32°F to 392°F
Type S Thermocouple
- Thermocouple grade wire, 32°F to 2700°F
- Extension wire, 32°F to 392°F
Type R Thermocouple
- Thermocouple grade wire, 32°F to 2700°F
- Extension wire, 32°F to 392°F
Type B Thermocouple
- Thermocouple grade wire, 1500°F to 3100°F
- Extension wire, 32°F to 212°F