Immersion thermocouple for measuring temperature of molten steel, has platinum layers arranged on ceramic carriers, serving at adjustment position, and including side with thermo-wires and another side with connecting leads

摘要

The thermocouple has thermo-wires (2.1, 2.2) attached to a junction (1). The thermo-wires lead to two ceramic carriers (3.1, 3.2) on which platinum layers (4.1, 4.2) are arranged. The platinum layers serve at an adjustment position, and have a side with the thermo-wires and another side with connecting leads (5.1, 5.2). The thermo-wires and the ceramic carriers are arranged in a protective pipe that is connected to a front side. The protective pipe is made of quartz or alumina. The protective pipe is arranged in a housing and fastened with a grouting.