Pressure sensors are used in all walks of life, especially in the industry to use a lot of pressure sensors, but the industry generally requires pressure sensors to be able to prevent corrosion, pressure sensor joints and cavities are made of imported stainless steel, as the pressure transmitter body of stainless steel materials have high corrosion resistance, good attenuation performance, can monitor any medium compatible with 316L. Let's also introduce the anti-corrosion skills of pressure sensors.
First of all, it is important to know if the medium under test is compatible with 316L: Alloy 316 and 317L did not corrode in a 100-hour 5% salt spray test. Secondly, when selecting sensor products, consult whether the medium has an impact on the pressure sensor; Through the selection of corrosion resistance materials of the projectile body, in order to meet the needs of application. Finally, we can choose the barrier method: there are molybdenum 2 titanium and tantalum sheets in front of the pressure transmitter, and the pressure is transmitted with methyl silicone oil between the diaphragm and the ballistic tube, and the minimum range can be 0-100kPa, if the diaphragm data is not corrosion-resistant, a layer of F46 diaphragm can be added, but the surface of the active bottom has decreased. F46 can also be directly used as a barrier diaphragm, and fluorine oil can be used as a transfer solution, which can play a two-layer barrier role.
In the process of application, once it is found that the pressure sensor is not compatible with the medium, the sensor must be replaced immediately, and we can choose special materials or special structures to measure some special media.
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