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  2. Tuning fork - Wikipedia

    en.wikipedia.org/wiki/Tuning_fork

    Tuning fork forms the sensing part of vibrating point level sensors. The tuning fork is kept vibrating at its resonant frequency by a piezoelectric device. Upon coming in contact with solids, amplitude of oscillation goes down, the same is used as a switching parameter for detecting point level for solids. [18]

  3. Level sensor - Wikipedia

    en.wikipedia.org/wiki/Level_sensor

    The vibration of the probe tends to eliminate build-up of material on the probe element. Vibrating level sensors are not affected by dust, static charge build-up from dielectric powders, or changes in conductivity, temperature, pressure, humidity or moisture content. Tuning-fork style vibration sensors are another alternative.

  4. Non-contact atomic force microscopy - Wikipedia

    en.wikipedia.org/wiki/Non-contact_atomic_force...

    Schematic of qPlus sensor. Red and blue areas represent the two gold electrodes on the quartz tuning fork (light yellow). A qPlus sensor is used in many ultra-high vacuum nc-AFMs. The sensor was originally made from a quartz tuning fork from a wristwatch. In contrast to a quartz tuning fork sensor that consists of two coupled tines that ...

  5. Inertial navigation system - Wikipedia

    en.wikipedia.org/wiki/Inertial_navigation_system

    An inertial navigation system (INS; also inertial guidance system, inertial instrument) is a navigation device that uses motion sensors (accelerometers), rotation sensors (gyroscopes) and a computer to continuously calculate by dead reckoning the position, the orientation, and the velocity (direction and speed of movement) of a moving object ...

  6. Crystal oscillator - Wikipedia

    en.wikipedia.org/wiki/Crystal_oscillator

    A crystal oscillator is an electronic oscillator circuit that uses a piezoelectric crystal as a frequency-selective element. [1] [2] [3] The oscillator frequency is often used to keep track of time, as in quartz wristwatches, to provide a stable clock signal for digital integrated circuits, and to stabilize frequencies for radio transmitters and receivers.

  7. Vibrating structure gyroscope - Wikipedia

    en.wikipedia.org/wiki/Vibrating_structure_gyroscope

    Vibrating structure gyroscope. A vibrating structure gyroscope (VSG), defined by the IEEE as a Coriolis vibratory gyroscope (CVG), [1] is a gyroscope that uses a vibrating structure to determine the rate of rotation. A vibrating structure gyroscope functions much like the halteres of flies (insects in the order Diptera).

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