Piezoelectric sorption is a method of measuring the amount of moisture in a gas using a piezoelectric sensor and a material that absorbs moisture. The sensor converts the moisture into an electrical charge.
How it works
A piezoelectric sensor is a device that converts physical forces into an electrical charge.
The sensor is made of a piezoelectric material, such as quartz, that generates an electrical charge when force is applied.
The sensor is sandwiched between electrodes.
A material that absorbs moisture, such as silica gel or poly-c-caproamide, is used with the sensor.
The sensor measures the change in electrical charge caused by the moisture being absorbed.
Applications
Piezoelectric sorption hygrometers are used to measure the relative humidity of air.
Piezoelectric sorption detectors can be used for analytical chemistry.
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