A pressure transmitter is a device that converts pressure into pneumatic signals or electric signals for control and remote transmission. It can convert the physical pressure parameters such as gas and liquid felt by the load cell sensor into standard electrical signals (such as 4~20mADC, etc.), and supply secondary instruments such as indicating alarms, recorders, and regulators for measurement, indication and process adjustment. With the rapid development of China’s economy, the process of urbanization is accelerating significantly. A large number of construction and operations within the scope of the urban rail transit control protection zone will inevitably disturb the operating rail transit structure, which will easily lead to the imbalance of the force of the structure, and cause local horizontal displacement, settlement, tensile, compression, shear, bending, torsion and other deformations of the structure, resulting in tunnel leakage, change of limit, settlement of track bed, and geometric change of track. Therefore, it is particularly important to monitor the urban rail transit structure affected by external work construction, ensure its operation safety, and provide feedback and guidance on the construction of external work. The settlement monitoring system based on pressure transmitter is mainly composed of four parts: on-site monitoring equipment and sensor subsystem, data acquisition and transmission subsystem, monitoring center and user subsystem. The monitoring equipment and sensor subsystem are mainly hardware equipment such as pressure transmitters and collectors arranged at the monitoring site; The main function of the data acquisition and transmission subsystem is to control the collector, regularly collect the corresponding data and transmit the data to the monitoring center, and execute the relevant commands; The monitoring center is the control center, data storage center, data processing, analysis and evaluation center, and monitoring and early warning release center of the entire monitoring system; The user subsystem realizes the real-time display of various data to the user according to the demand, and accepts the user’s control and input to the system. At the field collection end, the pressure transmitter measures the process pressure of the fluid, so a separate reservoir is required to ensure the pressure of the entire system. A liquid storage tank is set at one end of the system, and the high-pressure end of each pressure transmitter is connected with a communication pipe to ensure that the height of the liquid level in the liquid storage tank is higher than the height of the center position of all pressure transmitters. The pressure transmitter is used to monitor the settlement of rail transit structure, and its monitoring accuracy is equivalent to that of the traditional static level, which can effectively overcome the shortcomings of the small range and difficult installation of the traditional static level, and has great advantages compared with the traditional static level in the section with a large longitudinal slope of the line and the need to monitor the parts above the tunnel spandrel. If you have any questions about product consultation, product customization, agency, technical inquiry, quotation, etc., please contact Xingyi: 400-600-4496!