Temperature sensor base welded on equipment or pipeline, used to install thermocouples with fixed threads, thermal resistors and bimetal thermometers, often used in high temperature or not exceeding 6.3MPa pressure environments. Temperature sensor base welded on equipment or pipeline, used to install thermocouples with fixed threads, thermal resistors and bimetal thermometers, often used in high temperature or not exceeding 6.3MPa pressure environments.