·Environmental Protection Department: Building a denser air quality monitoring network

·Smart City: Collecting and Displaying Air Quality and Environmental Data

·Air quality professionals require real-time and accurate monitoring devices

·Community Groups: High Cost Effective Solutions Achieved

·Educators: Supporting STEM (Science/Technology/Engineering/Mathematics) subject learning

·Occupational Health and Safety Manager: Showcasing a Safe Environment

·Researchers: Obtaining data as rigorously and reliably as possible within a limited budget

·The instrument has been fully tested and confirmed by the US Environmental Protection Agency (EPA)

·Fully recognized by the South Coast Air Quality Management District (SC-AQMD) of the United States

·Measurement of O3 using metal oxide semiconductor technology to avoid cross interference

·Algorithm correction of NO2 measurement results using O3 concentration measurement

·Automatic correction function suppresses sensor zero drift and temperature and humidity effects

·Temperature and humidity measurement and correction algorithms to suppress the impact on particulate matter measurement

·Particle sampling port is anti-static to prevent it from adsorbing on the inner wall of the gas path

·Wireless data transmission, real-time data can be obtained through API interface

·Multiple electronic devices can browse data and set alerts for parameters

Grid based monitoring scheme for urban air quality

Long term monitoring plan for the air environment around the industrial zone

Long term monitoring plan for highway exhaust emissions

Control System: Single board computer, 1.2GHz quad core, 1GB SDRAM memory, 16GB SDHC hard disk storage, Linux operating system

Communication System: Standards: WIFI, 3G/3.5G/4G cellular modem

Software A: Aeroqual Connect： Used for installation, debugging, and on-site service. Pre installed in the instrument, connected through a web browser

Software B:Aeroqual Cloud： Used for instrument management and data management. Running on a secure cloud server, connected through a web browser

Software C:Features: Instrument configuration, diagnosis, logging, calibration and data acquisition, SMS and email alarms, automatic data output through FTP and email, data output through API (Application Programming Interface)

Data recording: 16GB SDHC hard drive storage (data storage for more than 2 years)

Average cycle: optional 1, 5, 10, 15, 20, 30 minute mean, 1, 2, 4, 8, 12, 24 hour mean

Power supply: 12VDC power adapter plug (90-260VAC AC input), rated power 24W (-10 ℃ -40 ℃)

Power cord: 5m

Shell: IP33 outdoor protection, sun protection

Particle sampling system a: Entrance: 4cm anti-static sampling port

Particle sampling system b:Sampling: 5VDC DC fan

Gas sampling system a: Inlet: Teflon, stainless steel

Gas sampling system b:Sampling: 5VDC DC fan

Size: 215H x 170W x 125D mm (including sun protection and mounting bracket)

Weight:< 1kg

Operating environment temperature:- 10℃ - +40℃

Installation: including installation bracket, optional pole type installation bracket, tripod or wall mounted bracket

Service life: System: 5 years

Sensor: Approximately 1 year (assuming PM10 annual average is 0-50 μ g/m3)

Other measurement parameters a: Temperature:- 40℃-125℃；

Other measurement parameters b:Relative humidity: 0-100%;

Other measurement parameters c:Dew point:- 30℃-50℃