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MQ-9 Carbon Monoxide Gas Sensor for Arduino, RaspberryPi, STM32

    MQ-9 Carbon Monoxide Gas Sensor for Arduino, RaspberryPi, STM32

    RM 7.50

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    MQ-9 Carbon Monoxide Gas Sensor for Arduino, RaspberryPi, STM32

    Pengenalan kepada sensor MQ-9:

    Bahan pengesan gas yang digunakan dalam gas sensor MQ-9 ialah tin dioksida (SnO2) dengan kadar aliran yang lebih rendah dalam udara bersih. Suhu rendah (1.5V pemanasan) digunakan untuk mengesan gas karbon monoksida. Kadar aliran bagi sensor meningkat dengan peningkatan gas monoksida di udara. Ia juga mampu mengesan pembaraan bagi gas mudah terbakar seperti metana dan propana. Perubahan kadar kepekatan gas boleh ditukarkan kepada signal keluaran berpandukan kepekatan gas menggunakan sebuah litar ringkas. Gas sensor MQ-9 adalah bersensitif tinggi kepada gas karbon monoksida, gas metana, dan gas petrol (Gas memasak). Ia adalah sensor kos rendah yang sesuai untuk pelbagai kegunaan.

    Aplikasi Modul:

    Sesuai digunakan sebagai alat untuk memantau kebocoran gas di rumah atau kilang, sesuai digunakan sebagai alat pemantauan seperti gas karbon monoksida dan gas mudah terbakar. Ia boleh menguji gas karbon monoksida 10 kepada 1000ppm CO dan gas mudah terbakar 100 kepada 10000ppm.

    Ciri-ciri Modul:

    1. Mempunyai suis keluaran signal DO (TTL) dan signal keluaran analog AO
    2. Signal keluaran digital TTL adalah rendah apabila mengesan gas, lampu pada sensor akan menyala, ia boleh dihubungkan secara langsung kepada microcontroller.
    3. Kepekaan yang baik terhadap pengesanan karbon monoksida.
    4. Terdapat empat lubang skru untuk pemasangan mudah.
    5. Dimensi produk : 32 (P) * 20 (L) * 22 (T)
    6. Servis jangka masa panjang dan kestabilan kukuh.
    7. Ciri-ciri pemulihan respons pantas

    Ciri-ciri elektrik:

    Voltan masukan : DC5V penggunaan kuasa (elektrik) : 150mA

    Keluaran DO : Kuantiti digital TTL 0 dan 1 (0.1V dan 5V)

    Keluaran DO : 0.1-0.3V (Ketika tiada kehadiran gas), kepekatan voltan paling tinggi adalah lebih kurang 4V

    Peringatan khas:

    Selepas sensor diberi voltan, ia perlu dipanaskan selama lebih kurang 20 saat, barulah data yang akan diukur akan stabil. Pemanasan sensor adalah fenomena normal, kerana terdapat wayar pemanasan didalamnya,

    Introduction to the MQ-9 sensor:

    The gas sensing material used in the MQ-9 gas sensor is tin dioxide (SnO2) with lower conductivity in clean air. The low-temperature (1.5V heating) is used to detect carbon monoxide by high-temperature cycle detection method. The conductivity of the sensor increases with the increase of the concentration of carbon monoxide gas in the air. The high temperature (5.0V heating) detects the smoldering of the combustible gas methane and propane and cleans the low temperature. gas. The change in conductivity can be converted to an output signal corresponding to the gas concentration using a simple circuit. The MQ-9 gas sensor is highly sensitive to carbon monoxide, methane, and liquefied gases. This sensor can detect a variety of gases containing carbon monoxide and flammability. It is a low-cost sensor suitable for a variety of applications.

    Module application:

    Suitable for gas leakage monitoring devices in homes or factories, suitable for monitoring devices such as carbon monoxide and combustible gases. It can test carbon monoxide 10 to 1000ppm CO and combustible gas 100 to 10000ppm.

    Module features:

    1. It adopts high-quality double-panel design with power indication and TTL signal output indication;
    2. It has DO switch signal (TTL) output and AO analog signal output;

    3. TTL output valid signal is low level. (When the output is low, the signal light is on, it can be directly connected to the MCU or relay module.)
    5. Good sensitivity to carbon monoxide detection.
    6, there are four screw holes for easy positioning;

    7, product dimensions: 32 (L) * 20 (W) * 22 (H)
    8, with long-term service life and reliable stability
    9, fast response recovery characteristics

    Electrical performance:
    Input voltage: DC5V Power consumption (current): 150mA
    DO output: TTL digital quantity 0 and 1 (0.1 and 5V)
    AO output: 0.1-0.3V (relatively non-polluting), the highest concentration voltage is about 4V

    Special reminder:

    After the sensor is energized, it needs to be preheated for about 20S, and the measured data is stable. The heating of the sensor is a normal phenomenon, because there is a heating wire inside.




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    9/3/2019 11:30:00 PM
    Ship on time. Item in excellent condition. Good service. Will buy from this shop again.
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