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Platinum rhodium thermocouple

High temperature Pt Rh thermocouple

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Thermocouple is widely known in the current temperature measurement products, it has a wide range of temperature measurement, at the same time, with the needs of production, the type is also very complex, there are different types of thermocouple models. among high temperature Platinum rhodium thermocouple Model temperature sensor, it is a thermocouple in the veteran level of the product, is widely used in industrial production of temperature sensor.

 High temperature Pt Rh thermocouple


The main characteristics of high temperature Pt Rh thermocouple are stable thermoelectric performance and strong oxidation resistance. It is especially suitable for temperature measurement and monitoring in oxidizing and inert atmosphere. Because of its high temperature resistance, it is often used in medium and high temperature occasions, such as steel manufacturing, ceramics and industrial salt bath furnace. The normal working temperature of high temperature platinum rhodium thermocouple can be 1600 ℃, and the high temperature resistance is very strong.

High temperature platinum rhodium thermocouple is also called high temperature precious metal thermocouple. As a temperature measurement sensor, they are usually used together with temperature transmitter, regulator and display instrument to form a process control system, which is used to directly measure or control the temperature of various high-temperature fluids, fluids, steam and solid surfaces.

The advantages and disadvantages of high temperature Pt Rh thermocouple are as follows

The advantages of Pt Rh thermocouple are high accuracy, good stability, wide temperature measurement range and long service life. It is especially suitable for temperature measurement under high temperature and oxidation inert environment. Among them, B-type thermocouple temperature sensor has an obvious advantage that it does not need compensation wire for temperature compensation, because its thermal potential is less than 3 μ V in the range of 0 ~ 50 ℃.

The disadvantage of Pt Rh thermocouple lies in its low thermoelectric potential and low sensitivity. It is not suitable for temperature measurement in reducing gas and metal or nonmetal vapor. In addition, its high price also limits its application range. It is replaced by other thermocouples or thermal resistance temperature sensors in some temperature measurement places.

To sum up, we can see that the high temperature platinum rhodium thermocouple has its advantages and disadvantages. The use of the thermocouple still needs to be selected according to its own needs, so that it can be used correctly. Wilt is a well-known thermocouple manufacturer in China. If there is a demand for thermocouple, you can contact us and serve you wholeheartedly!
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