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The physical quantity
Static pressure is the ratio of the perpendicular element of force to the element of surface it is exerted on.
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Pressure sensors are widely applied in energy generation industry where a constant monitoring and control of pressures is crucial for the operation of the power plants. Another application is in robotics where a pressure measurement is required in controls or as a substitute for touch. The proper operation of machines can be related to data from pressures of compressed air, gas, vapor, oil or other fluids.
Some applications are
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Touch screen devices
Smart phones and some computer devices come with pressure sensors. Sensors in those devices determine where the pressure has been applied and inform the processor by generating electric signal. There are two or more sensors fitted at the the corner of the screen to give precise location where actually the pressure has been applied.
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Automotive industry and security
Pressure sensors have great application in automotive industry and security system. They help to monitor oil and coolant pressure there by regulating appropriate power pressure in accelerators and brakes. Pressure sensors are usually incorporated in the radiators fill cap and the pressure inside the radiator ranges from 0.6 bar to 1.0 bar.
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Similarly, when the pressure is applied to the airbag control unit, then the pressure sensor fitted into the system determines the direction of impact and the restraint device is activated within 15-30 millisecond of the crash. This quick response of the system helps to prevent the passenger from possible dangers.
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Bio medical instrumentation
- Digital blood pressure monitors and ventilators
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Industrial
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uses
- monitor gases and their partial pressures
- determine the depth in oil industry while exploring
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Aviation
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industry
- Pressure sensors are used to balance the atmospheric pressure with the airplanes’ control system.
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- helps to create a breathing condition in the cockpit
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Marine
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industry
- Sensors in ships and submarines help to detect the actual depth creating a safe situation.
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