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Grove - HCHO Sensor

3 years ago 700
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Description

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DESCRIPTION

How to choose a gas sensor ?

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. enter image description here

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 our wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to our forum.

More information about gas sensor, please refer to this manual.

For more detail, please visit: http://www.seeedstudio.com/item_detail.html?p_id=1593

Documents

Grove - HCHO Sensor

BOM

ID Name Designator Footprint Quantity
1 WSP2110 U1 4P-D9.4-7.5H 1
2 NO J1 4P-2.0 1
3 10K R1 3P-SQUA-7X6.8 1
4 DNP R2 R0603 1
5 100nF C1 C0603 1

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