Type K Thermocouple, Stainless Steel and Inconel Industrial Inorganic Insulation 316 Flexible Stainless Steel Sheath Version 1.5→3 mm in diameter and 0.5→2 m in length. 100 mm PVC coated cable. Operating temperature range: 0→+800°C The diameter of the inner sheath version. 1.5→6 mm, length 0.5→2 m. 100 mm PVC coated cable. Operating temperature range: 0→+1100°C