Do you know why the bimetallic thermometer should match jacket?

Bimetallic thermometer sheath is generally and the bimetallic thermometer, is mainly decided by the properties of bimetallic thermometer. Bimetallic thermometer as a component on a lot of industrial equipment, commonly used in industrial equipment, industrial equipment is relatively expensive, use cycle is long, but there will be updated equipment or technology upgrading, bimetallic thermometer needs to be replaced, if the bimetallic thermometer is directly welded on the device, the replacement cost is high, for such reasons, many large equipment need to install the bimetallic temperature time, through the bimetallic thermometer sheath connect bimetallic thermometer and equipment. So, equipment need to stop working, and can directly replace. Know the importance of the sheath for bimetallic thermometer installations, we need to choose a suitable bimetallic thermometer sheath. Generally as long as pay attention to the three parameters, that will not choose wrong. 1. Bimetallic thermometer is sheath material, be sure to choose SS304 or SS316 material, these two material is durable, if material is bad, need to replace the sheath is not convenient; 2. The bimetallic thermometer sheath of the specifications of the female and male must ask clear, or it will affect the installation; 3. The third point is the length of the heat pipe, the length of the heat pipe and the specifications of the internal thread, matching the length of the bimetallic thermometer heat pipe.