Aurora 4000 Polar Nephelometer

Name: Aurora 4000 Polar Nephelometer
Brand: Acoem
SKU: ACJLF
Availability: InStock

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Specifications

Weight	11.2 kg
Dimensions	170 x 700 x 215 mm
Operating voltage	12 VDC (incl 110 - 240 VAC 50/60 Hz power supply converter) 13 watts nominal 45 watts with heater active
Calibration	Span gas available for CO2 SF6 FM-200 R-12 R-22 R-134 or a user defined gas
Light Source	Stable LED light source (US patent 7671988)
Operating Temperature	- 20 to 45 Degree C
Ranges	0.0 to Greater Than 20000 Mm-1
Flow Rate	5 l/min (1 to 17 l/min for MFC option)
Wavelength	525 nm (green) 450 nm (blue) 635 nm (red)
Altitude	2000m (15000m with 12V operation)
Measured parameters	Light scattering coefficient (ssp) at (450 525 and 635 nm) over 2 to 18 angular sectors
Lower detectable limit	Less Than 0.3 Mm-1 over all sectors (60 second averaged data) (0.1 Mm-1 full scatter and backscatter)
Secondary measurements	Sample air temperature enclosure temperature sample relative humidity and sample pressure. (sample flow for MFC option)
Operating RH	10 to 95 %
Optics	Reference light source measurement
Intensity function	9 to 170 Dergee
Angular resolution	1 deg increments within 0.3 deg accuracy

Key Features

High powered LED light source increases measurement accuracy
12 VDC operation (60 watts maximum, 15 watts nominal)

Reference ACJLF Category Nephelometer Brand Acoem

Product Details

Aerosol particles in the atmosphere directly influence the earths radiative balance by absorbing and scattering solar radiation and indirectly, by changing the clouds microphysical properties.The phase function, defined as the amount of light scattered as a function of the scattering angle, is a key parameter to accurately model the influence of aerosol scattering on the earths radiative balance. The Aurora 4000 provides integrated scattering measurements at a number of angles, assisting in the calculation of the phase function.The Aurora 4000 is the first commercially available polar nephelometer in the world.