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  2. Level sensor - Wikipedia

    en.wikipedia.org/wiki/Level_sensor

    Since capacitance level sensors are electronic devices, phase modulation and the use of higher frequencies makes the sensor suitable for applications in which dielectric constants are similar. The sensor contains no moving parts, is rugged, simple to use, and easy to clean, and can be designed for high temperature and pressure applications.

  3. Capacitive sensing - Wikipedia

    en.wikipedia.org/wiki/Capacitive_sensing

    Mutual capacitance allows multi-touch operation where multiple fingers, palms or styli can be accurately tracked at the same time. [13] Self-capacitance sensors can have the same X-Y grid as mutual capacitance sensors, but the columns and rows operate independently. With self-capacitance, current senses the capacitive load of a finger on each ...

  4. Capacitive displacement sensor - Wikipedia

    en.wikipedia.org/wiki/Capacitive_displacement_sensor

    Capacitive displacement sensors can be used to measure the position of objects down to the nanometer level. This type of precise positioning is used in the semiconductor industry where silicon wafers need to be positioned for exposure. Capacitive sensors are also used to pre-focus the electron microscopes used in testing and examining the wafers.

  5. Float switch - Wikipedia

    en.wikipedia.org/wiki/Float_switch

    A pedestal sump pump with a float switch. A float switch is a type of level sensor, a device used to detect the level of liquid within a tank. The switch may be used to control a pump, as an indicator, an alarm, or to control other devices.

  6. Capacitance probe - Wikipedia

    en.wikipedia.org/wiki/Capacitance_probe

    Capacitance sensors (or Dielectric sensors) use capacitance to measure the dielectric permittivity of a surrounding medium. The configuration is like the neutron probe where an access tube made of PVC is installed in the soil ; probes can also be modular (comb-like) and connected to a logger.

  7. Liquid capacitive inclinometers - Wikipedia

    en.wikipedia.org/wiki/Liquid_capacitive...

    Liquid capacitive inclinometers are inclinometers (or clinometers) whose sensing elements are made with a liquid-filled differential capacitor; they sense the local direction of acceleration due to gravity (or movement). [1] A capacitive inclinometer has a disc-like cavity that is partly filled with a dielectric liquid.

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