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MQ-135 Air Quality Sensor for Arduino, RaspberryPi, STM32

    MQ-135 Air Quality Sensor for Arduino, RaspberryPi, STM32

    RM 6.50

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    Product ID : 214965467
    Model / SKU : SKU-MS04
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    MQ-135 Air Quality Sensor for Arduino, RaspberryPi, STM32

    Pengenalan kepada sensor MQ-135:

    Bahan sensitive gas yang digunakan dalam MQ135 gas sensor adalah tin oksida (SnO2) dengan kadar aliran rendah dalam udara bersih. Apabila sensor diletakkan dalam persekitaran gas tercemar, kadar aliran sensor meningkat dengan peningkatan kepekatan gas tercemar dalam udara. Menggunakan litar ringkas untuk mengubah kadar aliran bagi signal keluaran ditukar kepada kepekatan gas yang sesuai.Sensor MQ135 adalah bersensitif tinggi kepada ammonia, sulfida, dan wap benzene, dan ideal untuk mengawasi kabus dan gas berbahaya yang lain. Seperti sebuah sensor yang boleh mengesan pelbagai gas berbahaya, ia adalah sensor kos rendah untuk pelbagai kegunaan.

    Aplikasi modul:

    Alat pengesanan gas berbahaya untuk seisi rumah dan alam sekitar, sesuai untuk pengesanan gas berbahaya seperti ammonia, sebatian aroma, sulfida, wap benzene, asap, dll., lingkungan kepekatan ujian komponen gas sensitive: 10 hingga 1000ppm.

    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. Voltan bagi analog keluaran adalah lebih tinggi. Semakin tinggi kepekatan, semakin tinggi voltan.

    5. Kepekaan yang baik terhadap kualiti udara dan pengesanan gas berbahaya.

    6. Terdapat empat lubang skru untuk pemasangan mudah.

    7. Dimensi produk : 32 (P) * 20 (L) * 22 (T)

    8. Mempunyai ciri-ciri pemulihan respons yang pantas.

    Ciri-Ciri Elektrik:

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

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

    Keluaran AO : 0.1-0.3V (kerelatifan bukan pencemaran), 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-135 sensor:

    The gas-sensitive material used in the MQ135 gas sensor is tin dioxide (SnO2) with low conductivity in clean air. When the sensor is stored in the environment when the polluted gas, the conductivity sensor increases as the concentration of pollutant gases in the air increases. Using a simple circuit to change the conductivity of the output signal is converted to the corresponding gas concentration. The MQ135 sensor is highly sensitive to ammonia, sulfides, and benzene vapors, and is ideal for monitoring smog and other harmful effects. Such a sensor may be the subject detected a variety of harmful gases, it is a low-cost sensors for a variety of applications.

    Module application:

    Harmful gas detection device for household and environment, suitable for detection of harmful gases such as ammonia, aromatic compounds, sulfides, benzene vapors, smoke, etc., gas sensitive components test concentration range: 10 to 1000ppm

    Module features :

    1, using high-quality double-panel design, with power indication and TTL signal output indication;
    2, with DO switch signal (TTL) output and AO analog signal output;
    3, TTL output valid signal is low. (When the output is low, the signal light is on, it can be directly connected to the MCU or relay module.)
    4. The voltage of the analog output is higher. The higher the concentration, the higher the voltage.
    5. Good sensitivity to air quality and harmful gas detection.
    6, there are four screw holes for easy positioning;
    7, product dimensions: 32 (L) * 20 (W) * 22 (H)
    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:

    sensor After power-on, 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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