There are many types of temperature sensors. Platinum-rhodium thermocouples are one of the precious high-temperature and precious metal thermocouples, which can measure temperatures up to 1800°C (short-term measurement). Platinum rhodium thermocouples can be divided into single platinum rhodium and double platinum rhodium. It is a kind of temperature sensor measuring element. It is usually composed of main components such as hot electrode, insulating sleeve protection tube and junction box. The casing material used for platinum and rhodium is special, very often corundum tubes, generally ceramic tubes. Regarding the choice of platinum-rhodium thermocouple: when the measured temperature is normally 1000~1300℃, it is recommended to use a single platinum-rhodium thermocouple, the more commonly used is the S grade single platinum-rhodium thermocouple, and the measured temperature is normal at '1200~1600℃ It is recommended to use a dual platinum rhodium thermocouple (platinum rhodium 30-platinum rhodium 6), so that the service life of the platinum rhodium thermocouple can be guaranteed within the temperature range used. Platinum and rhodium thermocouples are suitable for high temperature occasions in various production processes, and are widely used in temperature measurement occasions such as powder metallurgy, sintering bright furnace, vacuum furnace, smelting furnace, glass, steelmaking furnace, ceramics and industrial salt bath furnace. Regarding the platinum-rhodium thermocouple temperature sensor JCJ100ZB threaded fixed temperature sensor, its working components can be replaced with platinum-rhodium thermocouple, copper thermal resistance, DS18B20. We generally recommend platinum and rhodium thermocouples to customers for measuring thousands of degrees of high temperature. Recently, due to the need for heating in northern cities, the use of our temperature sensors in some boiler rooms has gradually increased.
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