How to choose the bimetallic thermometer sheath?

Bimetallic thermometer sheath and bimetallic thermometer normally used, it has two main functions: 1. Protect the bimetallic thermometer sheath maerial. In a stressful environment, bimetallic thermometer sheath maerial of possible desoldering welds, deserve to go up after the bimetallic thermometer sheath can solve this problem; 2. Convenient installation disassembly. Bimetallic thermometer mainly used on all kinds of industrial equipment, such devices are usually more expensive, use cycle is relatively long, equipment update or upgrade technology would happen if, bimetallic thermometer needs to be replaced, if the bimetallic thermometer is directly welded on the device, the replacement cost is high, in such a consideration, many large equipment need to install the bimetallic temperature time, through the bimetallic thermometer sheath connects the bimetallic thermometer and equipment. So how to choose the bimetallic thermometer sheath? Choose bimetallic thermometer sheath consider mainly from the following three aspects: 1. Material, be sure to choose SS304 or SS316 material, these two material is durable, if material is bad, often need to change 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 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.