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VAPOTECH sensors are sensors that can sense temperature and convert it into usable output signals. Temperature sensors are the core component of temperature measuring instruments, with a wide variety of types. They can be divided into two major categories based on measurement method: contact and non-contact. Based on sensor materials and electronic component characteristics, they are classified into resistance thermometers and thermocouples. VAPOTECH sensor working principle: Magnetic induction sensors are a type of contact sensor; the figure shows their structural schematic. They consist of two alloy reed switches with high magnetic permeability and low coercivity, sealed in a glass tube filled with inert gas.