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The tilt angle range is the range of desired linear output. Common implementations of tilt sensors and inclinometers are accelerometer, Liquid Capacitive, electrolytic, gas bubble in liquid, and pendulum. Tilt sensor technology has also been implemented in video games.
Sometimes tilt sensors are incorrectly called inclinometers because the sensors simply generate a signal (as opposed to inclinometers that generate a reading and a signal). A basic circuit using a tilt sensor is shown here. For this assembly, the components used are: a tilt sensor, a 470 Ohms resistor, a LED and a 3V power supply.
Accelerometers measure linear acceleration and tilt angle. Single- and multi-axis accelerometers detect the combined magnitude and direction of linear, rotational and gravitational acceleration. They can be used to provide limited motion sensing functionality.
Low-precision thermostats use a bimetal strip and a switch contact. Precision thermostats use a thermistor or silicon temperature sensor. Low-cost accelerometers replace the mercury tilt switch in precision applications. In the United States, the Environmental Protection Agency (EPA) regulates the disposition and release of mercury. [10]
An accelerometer measures proper acceleration, which is the acceleration it experiences relative to freefall and is the acceleration felt by people and objects. [2] Put another way, at any point in spacetime the equivalence principle guarantees the existence of a local inertial frame, and an accelerometer measures the acceleration relative to that frame. [4]
Photoelectric sensor; Piezoelectric accelerometer; Position sensor; Position sensitive device; Angular rate sensor; Rotary encoder; Rotary variable differential transformer; Selsyn; Shock detector; Shock data logger; Sudden Motion Sensor; Tilt sensor; Tachometer; Ultrasonic thickness gauge; Ultra-wideband radar; Variable reluctance sensor ...
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Tiltmeters may be purely mechanical or incorporate vibrating-wire or electrolytic sensors for electronic measurement. A sensitive instrument can detect changes of as little as one arc second. Tiltmeters have a long, diverse history, somewhat parallel to the history of the seismometer. The very first tiltmeter was a long-length stationary pendulum.
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