Aesmena

The Best of the Best in One Package:
The AQSync Air Quality Monitoring Station

FEM-quality absorbance measurements for O3, NO2, and NO.
NDIR absorbance for CO2.
Optical particle counter with sheath flow and heated inlet for PM1, PM2.5, and PM10.
Amperometry for CO.
Photoionization for total VOCs.
Sonic anemometry and weather data.
Data access and instrument control via the Cloud.
Power-stingy requirements enable options for powering with battery or solar panel.

Expand the possibilities with the AQSync

Extend air quality monitoring to sparse data areas or remote locations
Set up a drive-by calibration station for your sensor-based mobile AQ monitoring program
Place a network of AQSync instruments at schools or other public sites to monitor and map air pollution
Upgrade/augment existing AQ monitoring capabilities

Detailed Specifications

Instrument and Sensor Specifications
(per manufacturer)

Ozone (O₃)

Measurement Method: UV Absorbance at 254 nm

Instrument: 2B Technologies Model 108-L (FEM)

Linear Range: 0-100,000 ppb

Precision: 1.5 ppb or 2% of reading for 10-s avg

Accuracy: 1.5 ppb or 2% of reading

Response Time: 4 s for 2-s avg, 20 s for 10-s avg

Nitrogen Dioxide (NO₂)

Measurement Method: Direct Absorbance at 405 nm

Instrument: Based on 2B Tech Model 405 nm NO₂/NO/NO_x Monitor (FEM approval pending)

Linear Range: 0-10,000 ppb

Precision: 0.5 ppb

Accuracy: 2 ppb or 2% or reading

Response Time 20 s

Nitric Oxide (NO)

Measurement Method: Oxidation to NO₂ with O₃
followed by Absorbance of NO₂ at 405 nm

Instrument: 2B Tech Model 405 nm NO₂/NO/NO_x Monitor

Linear Range: 0-2,000 ppb

Precision: 0.5 ppb

Accuracy: 2 ppb or 2% of reading

Response Time: 20 s

Particulate Matter (PM₁, PM_2.5, PM₁₀)

Measurement Method: Optical Particle Counter, right angle light scatter detection with sheath flow and heated inlet

Instrument: Met One Instruments Model 83214

Range: 0-320,000 particles per liter

Minimum Particle Size: 0.3 μm

Accuracy: 10%

Response Time: minimum 1 s

Carbon Dioxide (CO₂)

Measurement Method: Non Dispersive Infrared (NDIR) Absorbance with Auto-Zeroing

Instrument: PP Systems CO₂ Gas Analyzer, Model SBA-5

Linear Range: 0-1,000 ppm

Precision: 1 ppm

Accuracy: 5 ppm

Response Time: 10 s

Carbon Monoxide (CO)

Measurement Method: Amperometry

Linear Range: 0-50 ppm

Sensor: Alphasense CO-A4

Precision: 0.02 ppm

Accuracy: 0.1 ppm

Response Time: 20 s

Total VOCs

Measurement Method: Photoionization Detector (PID)

Sensor: ION Science Mini-PID2 HS

Measurement Range: 0 to 3 ppm

Sensitivity: > 600 mV per ppm

Minimum Detection Limit: 0.5 ppb

Response Time: < 12 s

System Specifications
Weight	54.5 lb, 24.8 kg (varies with modules chosen)
Size	25.5 x 25.5 x 10.3 in (65 x 65 x 26.2 cm); height with weather station is 49 in (124.5 cm)
Power	35 watt (53 watt max during warmup) (varies with modules chosen)
Data Transmission	Cellular or WiFi to the Cloud; Ethernet option
Sample Flow Rate	~4 L/min (varies with modules chosen)
*SO2 sensor available as an option.