With the development of science and technology and the continuous progress of society, human dependence on high technology is becoming increasingly strong. In response to this trend, more devices and technologies are being widely applied in daily life, and sensors are one of them. What is a sensor? Simply put, sensors are used for sensory communication, which can convey the sensations we see, hear, and touch through signal output. In this article, we will comprehensively understand the knowledge related to sensors.

Sensors, as an important component of automation and automatic control systems, play a crucial role. Sensors are developed using certain effects or principles from disciplines such as physics, chemistry, biology, etc., according to a specific manufacturing process. Sensors designed according to a certain principle can measure multiple parameters, mainly non electric quantities, and sometimes multiple non electric quantities can be measured using the same sensor. There are various types of sensors with unique performance characteristics, and their application fields are very wide.

The characteristics of sensors mainly refer to the relationship between the input and output of the sensor. Based on whether the input signal changes over time, the basic characteristics of sensors are divided into static characteristics and dynamic characteristics. Among them, accuracy, linearity, sensitivity, stability, etc. are very important performance indicators in static characteristics. Studying the characteristics of sensors is to make them reflect the measured data as accurately and truthfully as possible, while objectively evaluating the various performance of sensors, providing important selection criteria for practical applications. In practical work, it is necessary to choose and use appropriate sensors according to the specific requirements of the system.

Regarding the stability treatment of sensors, the reason for the stability of sensor performance is that over time or changes in environmental conditions, the performance of various materials and components that make up the sensor displacement sensor will change. In order to improve the stability of sensor performance, necessary stability treatment should be carried out on materials, components, or the entire sensor. When using sensors, if the measurement requirements are high, additional adjustment components and key components of the subsequent circuit should also be aged if necessary.

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