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Mobile PM & SVC monitor AirQualifier EDM 264-SVC
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Mobile PM & SVC monitor AirQualifier EDM 264-SVC

AirQualifier EDM 264-SVC
Mobile PM & SVC monitor

This mobile aerosol spectrometer determines dust mass fractions and particle number size distribution without semi-volatile compounds. It is designed for both short and long-term continuous monitoring of dust pollution and enables real-time data analysis of particle number, dust mass and meteorological data.


Functionality: Light scattering at single particles

  • Sampling probe (SVC) with switchable catalytic stripper for SVC elimination
  • Unique measurement range in one device: TSP, PM10, PM4, PM2.5, PM1, PMcoarse and total counts, inhalable, thoracic, respirable, pm10, pm2.5 and pm1
  • 31 equidistant size channels; PSL traceable particle size distribution
  • High-class data logger; data transmission, remote access and real-time data analysis via mobile radio (LTE)
  • Long term stability and very low zero drift due to purge air for protecting laser and detector
  • Meteorological sensor for P, T, RH, wind speed & direction and precipitation
  • GPS position
  • Suitable for versatile applications
  • All in one solution, ready to use, rugged design
  • Aerodynamic aerosol focusing, total inlet flow (1.2 l/min) analyzed in the optical cell, no border zone error
  • Cost saving, low maintenance
  • Mobile PM monitoring
  • Aerosol science
  • Source apportionment
  • Secondary PM formation by gaseous precursors 
  • VOC and SVOC contribution in dust mass fractions 
  • Technical data
Sampling probe (SVC)µ-Sigma-2 inlet and heated sampling pipe with switchable catalytic stripper for SVC elimination
Detection principleLight scattering at single particles with diode laser
Particle size range0.25 … 32 μm
Size channels31 equidistant
Particle number concentration0 … 5,300,000 particles/l
Dust mass concentration0 μg/m³ … 100 mg/m³
Reproducibility> 95% at 500 nm meets ISO 21501-1
Time resolution6 s, 31 channels (selectable storage intervals: 6 s, 1 min, 5 min, 10 min, 15 min, 30 min, 1 h)
Sample volume flow rate1.2 l/min ±3% due to self regulation according to ISO 21501-1Automatic altitude correction up to 5,000 m
Internal purge air0.4 l/minProtects laser opticsReference air for self-test
Power supplyIn: 100 … 240 VAC, 47 … 63 Hz, 1.1 A/230 VAC
Power consumptionDepending on version and configuration, Pmax = 200 WEDM 264 SVC Eco: 92 WEDM 264 SVC Pro: 147 W
Data interfacesPro version: Data logger for mobile radio transmission (LTE); USB (type B), Ethernet (TCP-IP), USB flash drive with GRIMM software Eco version: USB (type B), Ethernet (TCP-IP), USB flash drive with GRIMM software
Dimensions (H x W x D)Housing only: 44 x 45 x 21 (17.3 x 17.7 x 8.3 in)With meteo sensor and sampling probe: 85 x 51 x 23 cm (33.5 x 20.0 x 9.1 in)
WeightHousing only: 20 kg (44.1 lbs) With meteo sensor and sampling probe: 15 kg (33.1 lbs)
Operating conditions-20 … +40 °C (-4 … 104 °F) RH < 95% non condensing533 … 1133 mbar
Transport and storage-20 … +50 °C (-4 … 122 °F) RH < 95%
  • Real-time monitoring of 12 dust mass fractions simultaneously plus particle number size distribution with and without SVC
  • "Full flow analysis" of the entire sample volume
  • No consumables
  • Optional
264-DL: High-class data logger to upgrade Eco version for mobile radio transmission (LTE)
157L: Sensor for humidity, temperature and air pressure
158L: Sensor for humidity, temperature, air pressure, wind speed and direction, requires data logger
159L: Sensor for humidity, temperature, air pressure, wind speed and direction, and precipitation

Product Information

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