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LoRaWAN Air Quality Sensor

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LAQ4 is a LoRaWAN Air Quality Sensor for Internet of Things solution

US$ 74.00 74.0 USD US$ 74.00 US$ 98.00

US$ 74.00 US$ 98.00

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LoRaWAN Air Quality  Sensor

The Dragino LAQ4 is a LoRaWAN Air Quality Sensor for 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 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 accuracy measurement on TVOC and eCO2.
LAQ4 supports temperature and humidity alarm feature, user can get alarm for instant notice.
LAQ4 supports 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 local LoRaWAN server and it will auto connect after activation.

Features

  • 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
    EU868/AS923/AU915/IN865
  • AT Commands to change parameters
  • Auto adjust timing. Remote retrieve data
  • Uplink on periodically or Interrupt
  • Downlink to change configure

 





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.


LAQ-4 Datashee

LAQ-4 User manual


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Specifications

Brand Dragino
Network Connection LoRaWAN
Frequency Band AS923
Sensor Air quality