ultra low temperature pressure transducer

Pressure sensor is an instrument used to measure pressure in industry. According to different classification standards, there are many kinds of pressure sensors. Temperature is a special factor in application , and almost every pressure sensor will consider temperature resistance. According to the temperature resistance of the pressure sensor, we usually divide the pressure sensor into ultra-low temperature pressure sensor, normal temperature pressure sensor and high temperature pressure sensor.

The ultra-low temperature pressure sensor adopts the stainless steel integrated packaging structure, and the pressure sensing film adopts the excellent special design to ensure the safe and stable operation of the sensor in the ultra-low temperature - 196 ℃. Ultra low temperature pressure sensors are generally used for low temperature scientific experiments, pressure and low temperature measurement of liquid oxygen, liquid nitrogen, liquid hydrogen, liquid helium and other cooling tanks, low temperature storage tanks and propellants. Such as low-temperature storage tanks for aerospace, aviation and naval vessels.

The normal temperature pressure sensor has a temperature resistance range of - 40 ~ 85 ℃. This type of sensor generally uses imported diffused silicon chips or ceramic chips, and is mainly used in general industry, agriculture and service industry. This type of sensor is also the most widely used sensor.

high temperature resistance pressure sensors are generally resistant to 200 ℃ and are mainly used in high-temperature industry, oil and gas energy development, etc. Another special high temperature pressure sensor is a high temperature melt pressure sensor. It can measure about 400 ℃ and is mainly used to measure high-temperature medium such as boiler and steam.

How to choose a ultra low temperature pressure transducer

First ,considering the ambient temperature and medium temperature to ensure that the sensor can work safely and stably within the temperature range. Secondly, whether the pressure range is static pressure or dynamic pressure, or whether there is instantaneous pressure change . Considering whether there are requirements for measuring accuracy, dynamic frequency response and corrosion resistance of the sensor, and whether hydrogen embrittlement resistance is required are important too . When you are choosing a a ultra low temperature pressure transducer , it is necessary to confirm the use environment and sensor performance with the sales department .

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