Pressure sensors are the most widely used measuring instruments in industrial automation. Some high-temperature media or high-temperature environments also require pressure sensors for gas or liquid measurement.
Pressure sensors to measure the medium temperature is generally -40 ~ 85 ℃, of course, there are some pressure sensor type for high temperature resistance, up to 130 ℃ and so on. Pressure sensor measurement of high temperature media, the correct installation is very important. It is not only about the measurement accuracy of the pressure sensor, but also linked to the service life of the sensor. If the pressure sensor is working in a high temperature environment for a long time, and do not take protective measures, it is easy to cause damage to the core, circuit board or other parts.
If the measurement medium in the temperature for a long time continued to be 70 ℃ to 80 ℃ or so, this working environment to the pressure sensor needs to be installed when the installation of heat sinks. So that the heat of the medium in the heat sink after the temperature is reduced a little, to avoid direct contact with the pressure sensor. Protect the pressure sensor measurement environment.
If the temperature of the measured medium is more than 100 ℃, or even up to 200 ℃, increase the heat sink has no role, this condition needs to be installed in the pressure port condensing ring and then add a heat sink, so that the medium through the condensing ring cooling, and then through the heat sink heat dissipation and direct contact with the pressure sensor when the temperature is very low.
In the appropriate conditions we can also extend the pressure conduit connected to the pressure sensor, you can also add a capillary tube after the installation of heat sinks to achieve the effect of media cooling. The above are several kinds of medium temperature is too high several kinds of pressure sensor installation.
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