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AQ Guard is Measuring device for monitoring indoor air quality Measurement of dust concentrations starting at 150 nm (*1) incl. CO2 and tVOC for calculation of air quality and infection risk index.
- Technology based on the type approved Fidas® 200 series (EN16450 and MCERTS); simultaneous measurement of Cn, PM1, PM2.5, PM4, PM10
- With “Indoor Air Hygiene Professional” extension: increased counting efficiency for nano-scaled particles from 150 nm
- Computation of air quality index based on measurements of particulates, CO2, and VOC
- Estimation of infection risk based on measurements of CO2 and particulate matter
- High accuracy due to advanced algorithms
- Long term stable due to self calibration for measurement of flow rate, particulates, and gaseous pollutants
- 2 years operation without calibration
- Operates on AC, DC, or power-over-Ethernet
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Values |
| Interfaces | USB, Ethernet (LAN), Wi-Fi, 4G |
| Measurement range (size) | 0.175 – 20 µm (with IAHP-Package installed, starting from 0.150 µm) |
| Measuring principle | Optical light scattering of single particles |
| Measurement range (number CN) | 0 – 20,000 particles/cm³ |
| Volume flow | 1,0 l/min ≙ 0,06 m³/h |
| Data acquisition | Digital, 22 MHz processor, 256 raw data channels |
| Light Source | Long term stable LED |
| Power consumption | < 20W |
| User interface | Touchscreen 800 • 480 pixel, 5" (12.7 cm) |
| Dimensions | 175 x 280 x 140 mm (H x W x D) |
| Weight | 2.4 kg |
| Operating system | Windows 10 IoT Enterprise |
| Data logger storage | 10 GB |
| Software | PDAnalyze |
| Response time | 1s |
| Aerosol conditioning | Thermal with compact IADS |
| Measurement range (mass) | 0 – 20,000 µg/m³ |
| Reported data | PM1, PM2.5, PM4, PM10,TSP, CN, particle size distribution, pressure, temperature, relative humidity, CO2, TVOC, Infection Risk Index, Air Quality Index |
| Installation conditions | -20 – +50 °C (nicht kondensierend) |
| Linearity | 0.95 – 1.05 (measured against EN16450 certified Fidas® 200) |
| Accuracy |
R2 > 0.98 for PM2.5 and R2 > 0.94 for PM10 |
- Industry:
+ Production processes
+ Bulk material handling (mixing, discharge, storage, packaging etc.)
+ Fenceline Monitoring
- Construction sites: Roads, railroads, demolition sites
- Residential buildings near construction sites or other polluted areas
- Public transportation: Airports, train stations, tramway & underground stations, cruise ships, passenger cabin, e.g. in tram, train
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