Grove HCHO Sensor

An analog VOC gas sensor

Hello World

Import programSeeed_Grove_HCHO_Sensor_Example

Grove HCHO Sensor example Model:SEN01500P 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 http://www.seeedstudio.com/wiki/Grove_-_HCHO_Sensor

Library

Import programSeeed_Grove_HCHO_Sensor_Example

Grove HCHO Sensor example Model:SEN01500P 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 http://www.seeedstudio.com/wiki/Grove_-_HCHO_Sensor

Datasheet

http://www.seeedstudio.com/wiki/Grove_-_HCHO_Sensor

Notes

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.

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