Recently, many new and old customers of environmental engineering instruments have asked us about some problems encountered during the installation process of pressure sensors and the installation location of pressure sensors. Today, the editor will tell us what to pay attention to during the installation process of pressure sensors and introduce the installation location:
What is a pressure sensor:
The sensor is a piezoresistive pressure sensor, which is made by utilizing the piezoresistive effect of single crystal silicon material and integrated circuit technology. Piezoresistive sensors are commonly used for the measurement and control of pressure, tension, pressure difference and other physical quantities that can be converted into changes in force (such as liquid level, acceleration, weight, strain, flow, vacuum).
Correct installation method of pressure sensor:
(1) Use appropriate instruments to verify the frequency response value of the pressure sensor under normal atmospheric pressure and standard temperature conditions.
(2) Verify the correctness of the pressure sensor coding and corresponding frequency response signal.
Pressure sensor determines specific installation location
In order to determine the number and specific installation location of the pressure sensor, each inflatable section of the inflatable net needs to be considered.
(1) The pressure sensor must be installed along the cable, at the cable joint. If possible, it is best to install it at the joint, and install a sensor at both ends of the cable. .
(2) Each cable should be equipped with no less than 4 pressure sensors, and there are certain requirements for the distance between pressure sensors at special locations. Two pressure sensors close to the telephone exchange should not be more than 200m apart.
(3) Install one at the beginning and end of each cable.
(4) One should be installed at the branch point of each cable. If the two branch points are close to each other (less than 100 m), only one can be installed.
(5) Where the cable laying method (overhead, underground) changes, a
(6) For unbranched cables, because the cable programs of the barrier lines are consistent, the installation distance of the pressure sensors should not be more than 500m, and the total number should be no less than 4.
(7) In order to facilitate the determination of the pressure sensor failure point, in addition to installing the pressure sensor at the starting point, another one must be installed 150~200m away from the starting point. Of course, economic and technical factors must be considered in the design. Where there is no need to install a pressure sensor, there should be no need to install it.
The PB8100 series diffused silicon high-precision pressure sensor/transmitter produced by Environmental Instruments uses high-precision, high-stability and high-reliability diffused silicon pressure sensing elements and imported high-quality integrated circuits. It is an industrial pressure transmitter with high precision, good reliability and stability, and long service life. It is used to measure the pressure of liquids or gases. It is an on-site remote pressure and liquid level measuring instrument that converts the pressure or liquid level into a standard electrical signal. Due to its excellent performance, the PB8100 series pressure transmitter can replace imported high-grade pressure transmitters and be used in occasions with high requirements for measurement or measurement and control accuracy. It can have explosion-proof characteristics and good impact resistance.
Check size
If the size of the mounting hole is inappropriate, the threaded part of the high-temperature melt pressure sensor will be easily worn during the installation process. This will not only affect the sealing performance of the equipment, but also prevent the sensor from fully functioning, and may even cause safety hazards. Only suitable mounting holes can avoid thread wear (thread industry standard 1/2-20UNF2B). Usually, a mounting hole measuring instrument can be used to detect the mounting hole to make appropriate adjustments.
Pressure sensors are used in all walks of life, especially in industry. There are many pressure sensors used, but industry generally requires pressure sensors to be anti-corrosion. The pressure sensor joints and chambers are integrally processed with imported stainless steel. The stainless steel material used as the pressure transmitter body has high corrosion resistance and good attenuation performance, and can monitor any medium that is compatible with 316L. Below we will also introduce the anti-corrosion techniques of pressure sensors.
The above is the installation problem of the pressure sensor and the things that need to be paid attention to when installing the pressure sensor. I hope it can help you. If you have any questions, please leave a message or contact us by phone!