Best air quality monitor for home

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    Key Features

    The AQD-100-SD is the air quality display that contains the air quality monitor. The AQD series display three parameters as CO2, humidity, and temperature. It has the best sensors can monitor air quality.

    AQD series displays three most crucial parameters of IAQ; CO2 level, humidity and temperature. It also provides
    date, day and time. It uses good quality sensors; such as the NDIR CO2 sensor, temperature and humidity sensors
    which are usually available only in laboratory air quality diagnostic equipment. AQD series measures CO2
    concentration which may not be noticeable by us and used the reading to control ventilation so that the indoor CO2
    level can be kept below the recommended ASHRAE limit of 1000ppm. Monitoring humidity is very important as
    extended period in an area with humidity over 60% or below 40% can create conditions for mold and mildew growth
    that may cause allergies and affect general health.


     Type  Wall mount
     Parameters  CO2, Relative Humidity, Temperature
     Operating Environment  -10 ~ 60 ℃ / 0 ~ 95%RH, non-condensing
     Storage temperature  -10 ~ 60 ℃
     Clock  Real time clock with battery backup
     Power supply  12 VDC (supply with an AC adapter 100~240V / 50~60Hz )
     Current consumption  1.2A (max)
     Display  7 segment LED display
     Memory capacity  60000 values
     CO2 Measurement
     Measurement principle  Non-dispersive infrared (NDIR) with automatic calibration
     Measurement range  0 ~ 9999 ppm
     Accuracy tolerance  0 ~ 2000ppm ±3% and ±40 ppm note1 and 2
     Response time  2 minutes by 90%
     Maintenance  Maintenance-free for normal indoor applications
     Environmental  -10 ~ 60 ℃/ 0 ~ 95%RH, non-condensation
     Display digit  4 digits, 0 ~ 9999
     Relay setting  1200ppm
     Hysteresis  100ppm
     Humidity Measurement
     Measurement range  0 ~ 95 %RH
     Accuracy tolerance  ± 3 %RH (typical)                                                    
     Repeatability  ± 0.1 %RH
     Response time τ63  < 8 s (τ63%, 25℃)
     Long-term drift  < 0.5 %RH / year
     Display digit  2 digits, 0 ~ 99
     Relay setting  70%RH
     Hysteresis  5%RH
     Temperature Measurement
     Measurement range  -10 ~ 60 ℃             
     Accuracy tolerance  ± 0.3 ℃ (typical)
     Repeatability  ± 0.1 ℃
     Response time τ63  5~30 s (τ63%, 25℃)
     Long-term drift  < 0.04 ℃/ year
     Display digit  3 digits (One decimal point), 0.0 ~ 99.9                   
     Relay setting  28℃
     Hysteresis  1℃
     RS-485    RS485 (Modbus RTU)
     Relay  3 Relay outputs for CO2, relative humidity, and temperature respectively.N.O. and N.C. (2A/30VDC)
     Housing material  PMMA panel (4mm), SPCC casing (1mm) 
     Dimensions  527 x 217 x 32 mm
     Weight  2600g
    Note 1: In normal IAQ applications. Accuracy is defined after minimum 3 weeks of continuous operation with ABC. However, some industrial
    applications do require maintenance.℃
    Note 2: Accuracy is specified at room temperature +25°C and at normal pressure 101.3 kPa. Specification is referenced to certified calibration
    mixtures. Uncertainty of calibration gas mixtures (+-1% currently) is to be added to the specified accuracy for absolute measurements.