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  • Sensor Sense: Capacitive Touch Sensors
    Many people mistake the growth in capacitive touch sensors as the adoption of new technology. But the fact is advances in mixed-signal programmable devices, those that combine analog and digital into a single package, have brought back this quite old technology and given it new life. The commercial
  • Capacitive sensors
    must become capacitive. Capacitive proximity sensors detect a wide variety of materials. For instance, capacitive sensors are often used to detect granular or powdered materials like plastic pellets in injection-molding hoppers. And intrinsically safe units sense the level of organic materials like
  • Capacitive Sensing: Out-of-phase Liquid Level Technique
    Various methods have been used to determine the level height in liquid tanks or containers. Recently, capacitive sensing has gained popularity due to the accuracy and resolution of the measurements as well as the simplicity, flexibility, and low cost of the sensor design.
  • Medical Liquid-Level Applications with Enhanced Capacitive Sensor Technology (.pdf)
    This document identifies key issues experienced by manufacturers of medical/biotechnology equipment regarding handling and detection of liquids with capacitive proximity sensors in particular. It examines concrete sensing/monitoring methods that will improve processes while guaranteeing reliable
  • Basics of Capacitive Sensing and Applications
    Capacitive sensing is becoming a popular technology to replace optical detection methods and mechanical designs for applications like proximity/gesture detection, material analysis, and liquid level sensing. The main advantages that capacitive sensing has over other detection approaches
  • Capacitive Sensors Open Up New Perspectives
    Conventional capacitive sensors are known from simple tasks e.g. as proximity sensor or for fill level measurements. With corresponding design and evaluation electronics, these sensors can also be used for high precision displacement and position measurements, achieving resolutions well below one
  • Proximity Sensors
    to detect, the upper switching range of these devices is about 50 Hz. Primary applications are in bulk-handling machines, level detectors, and package detection. One advantage of capacitive sensors is that they are unaffected by dust or opaque containers, allowing them to replace optical devices. A typical
  • Humidity sensors
    Relative humidity, or RH, is the percentage of moisture in the air referenced to the maximum level of moisture the air can hold at that temperature and pressure. Relative humidity sensors come in both capacitive and resistive versions. Humidity changes the dielectric constant of the insulating

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