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Aurora NE-400 Polar Integrating Nephelometer

SKU ABNAU Category Nephelometer Brand Acoem Condition New

Specifications

Ranges 0.0 to Greater Than 20000 Mm-1
Operating Temperature - 20 to 45 Degree C
Flow Rate 3 - 9 slpm with internal pump & flow sensor 5 - 17 slpm with External pump & MFC option
Dimensions 260 x 730 x 240 mm
Operating Voltage (V) 12 VDC (incl 110 - 240 VAC 50/60 Hz power supply converter) 120 watts Maximum
Light Source Stable LED light source (US patent 7671988)
Lower detectable limit Less Than 0.1 Mm-1 Full scatter and backscatter(60 second averaged data)
Altitude 2000m (15000m with 24 VDC operation)
Calibration Span gas available for CO2 SF6 FM-200 R-12 R-22 R-134 or a user defined gas
Wavelength 525 nm (green) 450 nm (blue) 635 nm (red)
Measured parameters Light scattering coefficient at (450 525 and 635 nm) over 2 to 18 angular sectors
Secondary measurements Sample temperature Pressure and relative humidity (RH) Multiple Instrument Parameter
Operating RH 10 to 95 %
Optics Reference light source measurement
Intensity function 7 to 173 Degree
Weight 14.2 kg
Angular resolution 1 deg increments within 0.3 deg accuracy

Key Features

  • High powered LED light source increases measurement accuracy
  • Single light source and detector used for all wave-lengths
  • Heat generated by the LED light source is a fraction of that generated by a flash lamp, minimising changes in sample RH

Product Description

The Acoem Aurora NE-400 Polar is a three-wavelength integrating nephelometer and the flagship of the Aurora NE series.Measure light scattering in up to 18 user-selectable angular sectors, using varied backscatter shutter positioning to help determine the phase function of aerosols and bring our climate research and modeling projects to life with precision data.
  • Easy automatic calibration, ensures repeatability of measurement
  • Automatic optical reference calibration
  • Facilitates a wide measuring range (0 to 20,000 Mm-1)
Aurora NE-400 Polar Integrating Nephelometer
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Frequently Asked Questions

It has a measuring range from 0.0 to greater than 20,000 Mm-1.

This model measures light scattering coefficients at three wavelengths: 450 nm (blue), 525 nm (green), and 635 nm (red).

The operating temperature range is from -20 to 45 degrees Celsius.

This unit weighs 14.2 kg.

It operates with a flow rate of 3 to 9 slpm using the internal pump and flow sensor, and 5 to 17 slpm with an external pump and MFC option.

It features easy automatic calibration and an optical reference calibration to ensure repeatability of measurements.

The lower detectable limit is less than 0.1 Mm-1 for full scatter and backscatter with 60-second averaged data.

It operates effectively within a relative humidity range of 10 to 95%.

The dimensions are 260 x 730 x 240 mm.

It uses a stable LED light source, which is patented in the US (patent 7671988).

It can provide secondary measurements for sample temperature, pressure, and relative humidity (RH).

The angular resolution is provided in 1-degree increments with an accuracy of 0.3 degrees.

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