Characteristics of weighing sensors
Release time:
2021-11-12
Main Advantages
Resistors, inductors, and capacitors are the three main types of passive components in electronic technology. Capacitive sensors are sensors that convert the measured changes into changes in capacitance; they essentially function as capacitors with variable parameters. Capacitive sensors have the following advantages: (1) High impedance, low power, requiring very low input energy. (2) Can achieve a large change, resulting in a high signal-to-noise ratio and system stability. (3) Fast dynamic response, with operating frequencies reaching several megahertz, suitable for contact measurement, and can measure both conductors and semiconductors. (4) Simple structure, strong adaptability, capable of operating in harsh environments such as high and low temperatures and strong radiation, with wide applications. With the development of electronic technology and computer technology, the disadvantages of capacitive sensors, such as susceptibility to interference and the influence of stray capacitance, are continuously being overcome. Additionally, capacitive displacement sensors and integrated capacitive sensors have been developed. Therefore, they are widely used in non-electrical measurement and automatic detection, capable of measuring parameters such as pressure, displacement, rotational speed, acceleration, angle, thickness, liquid level, humidity, vibration, and component content. Capacitive sensors have a promising development outlook.
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