Ambient Air Monitoring

GRIMM Portable Wide-Range Aerosol Spectrometer

For high resolution particle measurements in laboratories covering a particle size range of 5 nm … 35 μm.

SKU
WRAS
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  • Description

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The GRIMM Portable Wide Range Aerosol Spectrometer products include the following models:

Indoor WRAS – Indoor wide-range aerosol spectrometer
For high resolution particle measurements in laboratories covering a particle size range of 5 nm … 35 μm. Combines two technologies: SMPS+C for nanoparticles and the portable optical aerosol spectrometer 11-D for dust particles. 

EDM 665 WRAS – Outdoor wide-range aerosol spectrometer
Aerosol spectrometer covering the particle size range from 5 nm … 32 μm. The weather-protected instrument is designed especially for atmospheric monitoring and combines two technologies: SMPS+C for nanoparticles and EDM 180 for micron-sized aerosol.  

MiniWRAS 1371 – Portable wide-range aerosol spectrometer
The only portable instrument on the market that allows simultaneous and precise real-time monitoring of both micron-sized and nanoparticles. Designed for indoor air quality monitoring. 

Indoor WRAS

  • Real-time monitoring of the entire particle size range
  • High precision with CPC and OPC at low and high concentrations
  • Excellent counting statistics and reproducibility
  • Low diffusion losses
  • Self-test of all optical and pneumatic components for high quality standards
  • Instrument parameters secured against data loss

EDM 665 WRAS

  • Particle size range from 5 nm … 32 μm
  • Fully automatic 24/7 monitoring system for up to one month of unattended operation
  • Energy-efficient, sampling with isothermal drying system
  • Fully air-conditioned mini container
  • Versatile data acquisition and communication (data logger with GSM via internet)
  • Meteorological sensors for wind speed and direction, precipitation, pressure, temperature and relative humidity

MiniWRAS 1371

  • Two measuring instruments in a single device
  • One combined data set
  • 41 equidistant size channels
  • Intelligent Li-ion battery
  • Flexible data acquisition and communication
  • Particle free purge air