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Look at the picture which shows typical piezoelectric pressure sensor and fill in the gaps in the text with appropriate words.
Piezoelectric devices can further be classified according to whether the crystal's electrostatic charge, its , or its resonant frequency electrostatic charge is measured. Depending on which phenomenon is used, the crystal sensor can be called electrostatic, piezoresistive, or resonant.
13. Complete the sentences by adding the reason given. Using to + verb is the easiest way to link them. Reasons: · cover an extremely wide pressure range · isolate two fluidic pressures · move a magnetic core inside a coil assembly · convert the pressure induced diaphragm deflection into an electric resistance change · give a calibrated measurement of the pressure · convert the pressure induced diaphragm deflection into an electric resistance change 1. The most direct way of measuring pressure is to isolate an area on an elastic mechanical element for the force to act on. 2. The basic requirements for a pressure-sensing element are a means … . 3. Strain gages made of silicon diffused resistors are typically integrated on the diaphragm … . 4. The deformation of the sensing element produces displacements and strains that can be precisely sensed… . 5. The displacement of a Bourdon tube or capsule is used … . 6. Capacitive pressure sensors can be designed … . 7. Strain gages made of silicon diffused resistors are typically integrated on the diaphragm … .
Date: 2016-04-22; view: 974
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