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LAQ4 LoRaWAN Air Quality Sensor

  • $109.00
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  • (Exc. GST)

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    LAQ4 LoRaWAN Air Quality Sensor

    The Dragino LAQ4 is a LoRaWAN Air Quality Sensor for the Internet of Things solution. It is designed to measure the surrounding environment parameters include TVOC(Total Volatile Organic Compound), eCO2(equivalent CO2), temperature, and relative air humidity, and then upload to IoT server via LoRaWAN wireless protocol.

    IAQ (Indoor Air Quality) is a very important factor for indoor activity and human life. VOC(Volatile Organic Compound) are emitted as gases from certain solids or liquids and they are the main source for poor indoor air quality. LAQ4 provides the trend for IAQ measurement and, like all other TVOC sensors, LAQ4 requires calibration for more accurate measurement on TVOC and eCO2.

    LAQ4 supports temperature and humidity alarm feature, user can get alarms for instant notice.

    LAQ4 supports the Datalog feature, User can retrieve the sensor data from LoRaWAN commands.

    Each LAQ4 is pre-load with a set of unique keys for LoRaWAN registration, register these keys to the local LoRaWAN server and it will auto-connect after activation.


    • LoRaWAN v1.0.3 Class A
    • Ultra-low power consumption
    • Monitor TVOC/ eCO2/ Temperature and Relative Humidity
    • Temperature & Humidity alarm
    • Bands: CN470/EU433/KR920/US915
    • AT Commands to change parameters
    • Auto adjusts timing. Remote retrieve data
    • Uplink on periodically or Interrupt
    • Downlink to change configure


    • Home and Building Automation
    • Industrial Monitoring and Control

    Common DC Characteristics:

    • Supply Voltage: built-in 4000mAh Li-SOCI2 battery
    • Operating Temperature: -40 ~ 85°C

    TVOC Sensor:

    • 0ppb to 29206 ppb. Values outside this range are clipped
    • Temperature and Humidity Compensation

    eCO2 Sensor:

    • 400ppm to 32768 ppm. Values outside this range are clipped
      Note: eCO2 (equivalent calculated carbon dioxide) is different things vs the real CO2. It is calculated by TVOC value.
    • Temperature and Humidity Compensation

    Temperature Sensor:

    • Range: -40 to + 80°C
    • Accuracy: Typ ±0.3 @ 0-90 °C
    • Resolution: 0.01°C
    • Long Term Shift: Typ  <0.02 °C/yr

    Relative Humidity Sensor: 

    • Range: 0 ~ 99.9% RH
    • Accuracy: ± 3%RH ( 0 ~ 100%RH)
    • Resolution: 0.04% RH
    • Long Term Shift: <0.25 %RH/yr

    Power Consumption:

    • Deep Sleep Mode / IDLE Mode: 9uA
    • Sampling Mode: 11.8mA @ 2s for every 60 seconds.
    • LoRaWAN Transmit Mode: 125mA.

    Battery Life:

    • 7 ~ 10 months.



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