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Aurora 2000
AURORA 2000 - PM Correlating Nephelometer
  • Simplified automatic calibration using internal valves, ideal for remote locations

  • Fully integrated package including: internal sample pump, sample heater,
    internal calibration valves, zero air pump and data logger

  • Internal sample heater with temperature or RH control, which can be enabled by the user to eliminate the effects of humidity (RH: < 30 to < 90 % )

  • 12 VDC operation (45 watts max, 13 watts nominal)


The Aurora 2000 PM Correlating Nephelometer is part of the ‘new generation’ nephelometers using a single wavelength and a BETA monitor to measure aerosol light scattering and derive particulate concentrations.


The Aurora 2000 enables the calculation of a correlation factor based on a PM2.5 reference method which is then used to derive every minute a PM2.5 concentrations along with the usual light scattering. The correction factor can be entered manually or automatically derived from hourly averages from a continuous PM2.5 monitor.



Aurora Nephlometers - 2000.jpg
  • Outputs: 25 pin external I/O analog outputs (2 voltage & 2 current); 2 x RS232 serial ports (multi-drop, service)

  • Filtering: Kalman (digital adaptive filter), moving average (30 seconds) or no filter

  • Stored parameters: Date & time, µg/m3, σsp (635, 525 or 450 nm), hourly BAM PM average, hourly mass correction factor, sample air temperature, enclosure temperature, RH and barometric pressure and instrument status

  • Capacity: Maximum of 61 days of 5 minute averages, or 12 days of 1 minute averaged data

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