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LAQ4 LoRaWAN TVOC and eCO2 Temperature & Humidity Air Quality Sensor Nodes

DWM21031501

LAQ4 is a LoRaWAN end sensor nodes designed to measure the surrounding environment parameters include: TVOC(Total Volatile Organic Compound), eCO2(equivalent CO2), temperature and relative air humidity.

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Description

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

Specifications

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 ponsumption:

Deep Sleep Mode / IDLE Mode: 9uA

Sampling Mode: 11.8mA @ 2s for every 60 seconds.

LoRaWAN Transmit Mode: 125mA.

Battery Life:

9 ~ 12 months

 Applications

✓ Wireless Alarm and Security Systems

✓ Home and Building Automation

✓ Industrial Monitoring and Control

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Product Details
DWM21031501
98 Items
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LAQ4 LoRaWAN TVOC and eCO2 Temperature & Humidity Air Quality Sensor Nodes

LAQ4 is a LoRaWAN end sensor nodes designed to measure the surrounding environment parameters include: TVOC(Total Volatile Organic Compound), eCO2(equivalent CO2), temperature and relative air humidity.

Write your review

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