An AC bridge circuit can be used to measure the unknown capacitance of a sensor, such as a relative humidity (RH) sensor. Some RH sensors have a transfer function of capacitance vs %RH. Usually the ...
Nowadays, humidity measurement is important for various applications in the industry. Humidity sensing is applied in automotive, medical and healthcare, HVAC, t&m, food storage and refrigeration, and ...
As discussed in the first part of the article, the accuracy with which sensor capacitance can be measured using absolute capacitance measurement has a significant dependency on the accuracy of the ...
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