Portable spectrometers

Accurate and compact portable aerosol spectrometer for determining dust mass fractions and particle number size distribution. Optimum solution for reliable and flexible real-time measurements for aerosol research and indoor air quality. With optical detection, long battery life and easy and convenient operation.

Technical specifications

  • Measurement parameters of dust fractions according to EN 481 (inhalable, thoracic, respirable)
  • TSP, PM10, PM4, PM2,5, PM1 and PMcoarse.
  • Additional information on particle number
  • particle surface and mass distribution of 47 mm integrated PTFE powder (GRIMM dual technology),
  • Principle of light scattering detection on single particles with diode laser.
  • Internal sensor for temperature (T) and relative humidity (RH) in optical cell.
  • Total inlet flow: 1,2 L/min.
  • Self-checking of all optical and pneumatic components for high quality standards.
  • Particle size range: 0,253 – 35,15 μm.
  • Number concentration and size distribution of dust mass 0 – 100 000 μg/m3.
  • Channel size: 31, equidistant.
  • Particle number concentration: 0 – 5.300.000 p/L, diluent available for higher concentrations.
  • Time resolution 6 s, 31 channels (selectable storage intervals) 1 s, 16 channels (0,253 – 2,982 μm or 2,982 – 35,15 μm).
  • Data interfaces: Bluetooth, USB, Ethernet, RS-232.

Applications

  • To measure indoor air quality (IAQ) in buildings and vehicles.
  • For the measurement of PM2.5 in indoor environments according to VDI 4300, Part 11.
  • For process control in industry.
  • Workplace monitoring (inhalable, thoracic, respirable) according to EN 481.
  • Permissible Exposure Limit (PEL) monitoring with high time resolution.
  • Pollution measurements by pole.

We manufacture, maintain and repair environmental instrumentation equipment.

Other products

Manufacturing, maintenance and repair of environmental instrumentation equipment.