A thermocouple cable (10) has a positive and negative thermoelement (14) conforming to the standard emf-temperature specification for type K thermocouples, a sheath (12) and compacted ceramic (16) insulating the thermoelements (14) from each other and from the sheath (12). The sheath comprises an oxidation...http://www.google.es/patents/US5043023?utm_source=gb-gplus-sharePatente US5043023 - Stable metal-sheathed thermocouple cable