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《Journal of Transducer Technology》 2003-09
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Application of multi-frequency oscillator in humidity measurment

WANG Tao, SHI Lin-suo, CHEN Xin-she, LI Ya-qi (Dept of Mech and Elct Engin,The Second Artillery Engineering College,Xi'an 710025,China)  
A multi-frequency oscillatoing circuit built up by the humidity sensor and 555 timer is given.The oscillating cycle of oscillating circuit is measured by using the timer of single chip processor to achieve the humidity measurment.The experimental results show that the maximum error between measured values and specified values is decreased to 2.60%RH.
【CateGory Index】: TN752
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