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Pyroelectric sensor

It is mainly made of a material with high pyroelectric coefficient, such as lead zirconate titanate ceramics, lithium tantalate, triglyceride titanium sulfate, etc. to make the detection element with a size of 2*1mm. Install one or two detection elements in each detector, and connect the two detection elements in series with reverse polarity to suppress the interference caused by the rise of their own temperature. The detection element converts the detected and received infrared radiation into a weak voltage signal, which is amplified by the field effect tube installed in the probe and output outward. In order to improve the detection sensitivity of the detector and increase the detection distance, a Fresnel lens is generally installed in front of the detector

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Dongguan XINYUDA Technology Co., Ltd. Dongguan XINYUDA Technology Co., Ltd. was established in Hong Kong by Hong Kong Konlida International Group Co., Ltd. in the 1990s, focusing on LED R&D and investment. After more than ten years...

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