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Your location: Home > Related Articles > Introduction, installation requirements and precautions of differential pressure transmitter

Introduction, installation requirements and precautions of differential pressure transmitter

Author:QINSUN Released in:2023-04 Click:96

Introduction, installation requirements and precautions of differential pressure transmitter

Differential pressure transmitter is a control instrument for industrial automation, mainly used for measuring the pressure difference between two different locations and converts it into an electrical signal for output to the control system.

It usually consists of sensors, amplifiers, filters and output circuits. The sensor produces an output voltage signal, called a differential pressure signal, by measuring the pressure at two different locations. After the signal passes through the amplifier, it is directly converted into a standard current or voltage signal (such as 4-20mA or 0-10V), which is used by PLC, DCS and other control systems. Filters out filter noise to improve accuracy.

Differential pressure transmitters are widely used in many fields, such as process control, environmental monitoring, building automation,g, food processing, liquid level measurement, etc., especially suitable for It is used when it is necessary to monitor the pressure difference between the inner end and the outer side of the pipeline at the same time.

The installation requirements of the differential pressure transmitter are as follows:

1. Installation site: It should be dry, well ventilated and not sensitive to external environmental conditions (such as shocks and temperature changes). At the same time, try to avoid electromagnetic interference with other devices.

2. Accurate calibration: After installing the differential pressure transmitter, it must be accurately calibrated to ensure the stability and accuracy of the output signal. During calibration, parameters must be adjusted in conjunction with actual usage scenarios and user needs.

3. Proper protection: Since the differential pressure transmis a relatively professional and sensitive instrument equipment, it must be protected against moisture, dust and explosions. especially when used in workplaces where there is a risk of explosion.

4. Safety grounding: To avoid unnecessary accidents, before installing the differential pressure transmitter, make sure that there is a reliable grounding wire nearby. grounding point, and it is recommended to install a lightning protection module during the installation process, so that it can effectively prevent the corresponding transmitter from being damaged.

In short, correct and complete installation is the starting point to ensure the normal operation of the differential pressure transmitter and provide valuable data signals, and also to ensure system safety , An important step towards reliable operation.

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