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GRIMM Model 11-A Aerosol Spectrometer

Brand: Durag

The portable Aerosol spectrometer model 11-A detects in real time airborne aerosol particles in the size range 0.25 to 32 µm in 31 size channels and represents the results in particle concentration or particle mass. 

In addition all particles were collected after optical detection on an integrated 47 mm PTFE-filter inside of the spectrometer (Dual-Technology) for further investigation e.g. chemically, microscopically or gravimetrically.
Features
  • Measuring in real time
  • 31 size channels
  • Particle concentration and dust mass fractions
  • Particle sampling on integrated PTFE-filter
  • PM10, PM2.5 and PM1 simultaneously
  • Work place monitoring according to EN 481
  • For dust, smoke and droplets
  • Portable
  • Easy to use

Specifications

Brand

Applications

  • Aerosol-Science
  • Filter Tests
  • IAQ Monitoring at Workplaces, Schools, Public Places & Air
  • Measuring of Oil Droplets
  • Occupational Studies

Approvals & Certifications

  • EN 481

Approvals & Certifications

  • EPA

Communication

  • RS-232
  • USB

Flow Rate

  • Volume: 2.54 scfh (1.2 L/minute)

Humidity

  • < 95 % Relative Humidity, Non-Condensing

Input

  • Battery: 12 Vdc

Interval Time

  • Storage Interval: 1 Minute to 1-Hour Selectable

Materials of Construction

  • 1.85” (47 mm) PTFE Filter

Measuring Range

  • 0.25 to 32 µm in 31 Size Channels
  • Dust Mass: 0.1 to 100,000 µg/m³

Power Supply

  • 110-230 Vac, 50/60 Hz

Reproducibility

  • 5 % for Whole Range

Sample Rate

  • 1 to 3 seconds (Fast Mode)
  • 6 seconds (Normal)

Temperature Range

  • 0° to 40° C (32° to 104° F)

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