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SVC and PM research station EDM 365-SVC

SVC & PM research station

This stand-alone environmental dust monitor detects airborne particles in real time, including semi-volatile compounds thanks to its dual sampling system. It allows simultaneous measurement of the dust mass fractions PM10, PM2.5, PM1 and also the particle size distribution in 31 size channels. 

Functionality: Light scattering at single particles

  • Unique PM10, PM2.5 and PM1 monitoring, dual sampling system with two sampling lines, isothermal humidity extraction with Nafion and heated SVC evaporator
  • SVC controller for selectable temperatures for the SVC evaporator
  • 31 size channels for particle size distribution
  • Data logger for remote access and real-time data analysis
  • Long term stability and very low zero drift due to purge air for protecting laser and detector
  • Meteorological sensor for wind speed + direction, T, RH, P and precipitation
  • 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
  • Environmental aerosol research
  • Source apportionment
  • Secondary PM formation by gaseous precursors
  • VOC and SVOC contribution in dust mass fractions
  • Technical data
Sampling inletDual sampling systemIsothermal humidity extraction with Nafion and heated SVC evaporatorSelectable intervals for sampling lines
Detection principleLight scattering at single particles with diode laser
OutputPM10, PM2.5, PM1Number concentration and size distributionWith and without SVC ratio
Particle size range0.25 … 32 µm
Size channels31
Particle number concentration0 … 3,000,000 particles/liter
Dust mass concentration0 μg/m³ … 100 mg/m³
Reproducibility> 97% of total measuring range
Time resolution6 s (selectable storage intervals: 6 s, 1 min, 5 min, 10 min, 15 min, 30 min, 1 h)
Volume flow rate1.2 l/min ±3% due to self-regulation according to ISO 21501-1
Internal purge air0.4 l/min, protects laser optics, reference air for self-test
Power supply85 … 264 VAC, 47 … 63 Hz
Power consumptionPmax: 300 WImax: 1.4 A
Data interfacesData logger or RS-232 with GRIMM software or HyperTerminal
Dimensions (H x W x D)Housing: 70 x 50 x 27 cm (27.6 x 19.7 x 10.6 in) Dual sampling pipe: Approx. 140 x Ø14 cm (55.1 x 5.5 in) Total: 210 x 50 x 27 cm (55.1 x 19.7 x 10.6 in)
WeightHousing: 36 kg (79.4 lbs)Dual sampling pipe: 10 kg (22.0 lbs)Total: 46 kg (101.4 lbs)
Operating conditions-20 … +40 °C (-4 … 104 °F)RH < 95%, non condensing900 … 1,100 mbar
Transport and storage-20 … +50 °C (-4 … 122 °F) RH < 95%
Accessories157L sensor for temperature, relative humidity, and barometric pressure158L as 157L plus wind speed and wind direction159L as 158L plus precipitation
  • Dual sampling system consisting of two sampling lines
  • Isothermal humidity extraction with Nafion and heated SVC evaporator
  • Weather-protected system in powder-coated stainless steel housing
  • Real-time monitoring of PM values (PM10, PM2.5, PM1) and particle number with and without SVC
  • Optional
1178: GRIMM software
1146: GPS sensor
365-DL: Data logger for our measurement equipment including the capability to transmit all data live via GSM onto a password-protected platform
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; requires data logger