Grove - HCHO Sensor

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The Grove - HCHO Sensor is a semiconductor VOC gas sensor. Its design is based on WSP2110 whose conductivity changes with the concentration of VOC gas in air. Through the circuit, the conductivity can be converted to output signal that corresponding to the gas concentration. This sensor has a very high sensitivity and stability, it can detect the gas whose concentration is up to 1ppm. It’s suitable for detecting formaldehyde, benzene, toluene and other volatile components. This product can be used to detect harmful gas in the home environment. Therefore, it’s a good assistant for you to improve indoor environment quality of life. Specification Operating Voltage: 5.0V ± 0.3V Target Gases: HCHO, Benzene,Toluene,Alcohol Concentration Range: 1~50 ppm Sensor Resistance Value(Rs): 10KΩ-100KΩ(in 10ppm HCHO) Sensitivity: Rs(in air)/Rs(10ppm HCHO)≥5 For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before your using of the product. Documents Please visit wiki page for more info about this product. More information about gas sensor, please refer to this manual. Show more