- WREK-101 Armored thermocouple
- WREK2-440 Explosion-proof thermocouple
- WREK-440 Explosion-proof thermocouple
- WRNK2-440 Explosion-proof thermocouple
- WRNK-440 Explosion-proof thermocouple
- WREK2-240 Explosion-proof thermocouple
- WREK-240 Explosion-proof thermocouple
- WRNK2-240 Explosion-proof thermocouple
- WRNK-240 Explosion-proof thermocouple