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    Home / Sensors / Temperature, Humidity and Pressure / ASAIR temperature and air humidity sensor DHT22

    ASAIR temperature and air humidity sensor DHT22

    Code: LA131032
    2 ratings
    Brand: ASAIR
    Arduino senzor teploty a vlhkosti vzduchu DHT22
    €6,30 €5,21 excl. VAT
    In stock (22 pcs)
    Delivery to:
    15/01/2025

    Sensor combining temperature measurement from -40 to 80°C and humidity up to 100% RH on the DHT22 chip

    Detailed information

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    Product detailed description

    The DHT22 thermometer and hygrometer is easy to use, calibrated directly from the factory.

    It communicates via 1-wire protocol, so only one wire is needed to read data from the sensor, the other two wires are power wires.

    Specifications:

    • Power supply: 3.3-5.5VDC
    • Resolution: 16
    • Humidity measurement range: 0-100% RH
    • Temperature measurement range: -40 to +80?
    • Humidity measurement accuracy: 2.0% RH
    • Temperature measurement accuracy: 0.5?
    • Pins: VDD, DATA, GND
    • Size: 25x15x8mm

    Included in delivery:

    • 1pc ASAIR air temperature and humidity sensor DHT22 AM2302

    Remark:

    • This product is not a standalone functional unit and may require professional installation.
    • Product images are for illustration purposes only and may sometimes differ from the actual appearance of the item. However, this does not change its basic properties.

    Additional parameters

    Category: Temperature, humidity and pressure sensors
    Warranty: 2 years
    Weight: 0.003 kg
    Output: Digital
    Sensor type: Temperature, Air humidity
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    5,0 2 ratings
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    5
    JB Avatar of author | 16/08/2023
    Naprostá spokojenost.
    5
    PW Avatar of author | 14/04/2020
    o moc přesnější než DHT11
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    FP Avatar of author přesnost 11/01/2024 18:17
    Datových listů je k dispozici víc variant. V některých je přesnost 2%, jinde 5%. Podle mého srovnání s kalibrovaným měřidlem bych řekl spíš 6%. Pro přesnější měření jsou k dispozici jiná, dražší čidla. Jinak, za ty peníze do amatérské meteostanice je to jednoduché a dobré čidlo.
    Reply
    Z Avatar of author dotraz 11/08/2023 14:00
    Zajimalo by mě jak je to s přesností těchto čidel. Mám 7 kusů a na teplotě je rozdíl až 2 stupně a na vlhkosti rozdíl až 20.
    Reply
    MF Avatar of author dotraz 14/08/2023 13:23
    Dobrý den, jak je uvedeno v datasheetu https://www.laskakit.cz/user/related_files/am2302_datasheet.pdf, tak přesnost měření teploty je ±1℃ max., typicky 0,5±℃. Přesnost měření vlhkosti je typicky ±2%RH.