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[Chemical Knowledge]：Principle of Voltage Transmitter: The Way of Numerical Conversion

Read： 201 Time：20months ago Source：Transform the World with Simplicity

Voltage transmitter is an important signal conversion device in industry. It can convert the electrical signal measured by the sensor into a standard voltage signal or current signal, and send it to the instrument, regulator, recorder or remote monitoring system for processing and display. Voltage transmitters are widely used in industrial process automation control, data acquisition and monitoring systems. The basic principle of the

voltage transmitter is to adjust, amplify, linearize the input electrical signal, and convert it into a standard output signal to meet the requirements of the next level of equipment. The basic model is an input circuit and an output circuit, which are connected to each other through an isolation circuit. The input circuit adjusts and amplifies the measured electrical signal through hardware, and at the same time filters, anti-interference and voltage stabilization to reduce the influence of external interference signals on it. The output circuit converts the conditioned electrical signal into a standard signal, such as a common 0-5V, 4-20mA and other standard signals for output.

When using a voltage transmitter, you need to pay attention to the following aspects:

1. Choose a suitable voltage transmitter. According to the different applications and the characteristics of signal input and output, selecting the appropriate voltage transmitter can greatly improve the accuracy and performance of the system.

2. Adjust the parameters of the voltage transmitter. Such as zero, full scale and other adjustments, can be optimized and adjusted according to the actual measured value to ensure the accuracy and stability of the output signal.

3. Regularly check and maintain the voltage transmitter. Check whether the input and output circuits of the voltage transmitter, lightning protection and other anti-error and anti-interference measures are in good condition. If there is any problem, replace or repair it in time to ensure normal operation.

4. Call the standard program. When using a voltage transmitter, you can add a standard program to more accurately calibrate and control equipment. With this measure, the accuracy and reliability of the voltage transmitter can be increased.

voltage transmitters play a vital role in many applications. By understanding the working principle and application of voltage transmitters, you can better grasp the relevant technologies and methods. In the process of industrial production, the rational use of voltage transmitter can improve the quality and efficiency of automatic control, and greatly optimize the production process.

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