AQD-101 displays four most crucial parameters of IAQ; CO2 and PM2.5 level, humidity and temperature. Easy installation and the recommended height of installation is 2~3M above the floor level. It also provides date, day and time. It uses good quality sensors; such as the NDIR CO2 sensor, laser scattering principle sensor for PM2.5, temperature and humidity sensors which are usually available only in laboratory air quality diagnostic equipment. AQD-101 series measures CO2 and PM2.5 which may be rarely noticed. And when the concentration reaches a certain limitation, AQD101 can provide relays to control some auxiliary devices, such as ventilation system or air purifier, so that the indoor air quality can be kept in a good level. 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.  General Type Wall mount CO2, PM2.5, Relative Humidity, Temperature Coverage area Operating Environment Storage temperature Real time clock with battery backup Power supply 12 VDC (supply with an AC adapter 100~240V / 50~60Hz ) Power consumption Memory capacity 7 segment LED display Micro SD card 8G,16G or 32G (Transcend, Adata and Kingston are recommended) (not included in product kit) Depending on SD card capacity Storage format

CO2 Measurement Measurement principle Non-dispersive infrared (NDIR) with automatic calibration Measurement range Response time Maintenance-free for normal indoor applications Sensor lifespan Display digit Relay setting PM2.5 Measurement Measurement principle Laser distributing Measurement range Response time Maintenance-free for normal indoor applications Sensor lifespan Display digit Relay setting Humidity Measurement Sensing element CMOS sensor Measurement range Response time Long-term drift Sensor lifespan Display digit Relay setting Temperature Measurement Sensing element CMOS sensor Measurement...

3 Relay outputs can be specified as CO2, PM2.5, relative humidity, or temperature N.O. and N.C. ( 2A / 30V DC ; 0.5A / 125V AC) Mechanical Housing material PMMA panel; SPCC casing 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...