Pressure of the thermocouple sensor anticorrosion measures

Pressure thermocouple sensor is one of the most widely used thermocouple sensor is widely used in industrial, chemical, medical, intelligent building, aerospace, electronics, military, ships, machine tools and other industries. Pressure thermocouple sensor at the time of production need to have some anticorrosive function, so the pressure of the thermocouple sensor connector and cavity are using imported stainless steel material as a whole processing, the material attenuation function good, strong corrosion resistance, can effective corrosion protection. Pressure thermocouple sensor not only has certain corrosion in production function, in the course of everyday use also need to know some knowledge of corrosion protection of the user, so that you can avoid pressure thermocouple sensors are corrosion problems.

in the first place, to know whether the measured medium that is compatible with 316 L, 316317 L alloy in 5% of the 100 hours salt spray test, there was no corrosion. Second, when thermocouple sensor products of choose and buy, consult the supplier medium pressure thermocouple sensor to see if there is impact; Through the choice of projectile corrosion resistant material, in order to achieve the demand of the users. Finally, we can use the isolation method: before the pressure transmitter has 2 titanium molybdenum and tantalum sheet, diaphragm and ballistic tube with methyl silicone oil transfer between pressure and minimum range can be 0 ~ 100 kpa, if diaphragm material is not be able to bear or endure corrupt, can add a layer of F46 film, but the bottom of the instrument is sensitive. F46 isolation diaphragm, also can be directly to deliver the liquid can choose fluorine oil, can double isolation effect.

pressure thermocouple sensors in use process once you find it can't compatible with medium you must immediately replace thermocouple sensor, corresponding to some special medium we can use special materials or special structure to measure pressure thermocouple sensor in the future will certainly get more extensive application, so as manufacturer we should actively develop new pressure thermocouple sensors to adapt to the needs.

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key words: thermal resistance, thermocouple, thermal resistance, platinum resistance, PT100, PT1000, pressure thermocouple sensor, digital temperature thermocouple sensor