Products Catalog

Specification

The AE42 Portable Aethalometer measures optical absorption by suspended aerosol particles at two wavelengths: 880 nm (IR), quantitative for the mass of ‘Black’ Carbon; and 370 nm (UV), indicating aromatic organic compounds. The instrument’s analytical performance is identical to the “full size� AE22, but it is constructed in a small portable case with an internal battery providing several hours of mobile operation. The AE42 can also be operated from an AC transformer or by cables from an external battery or automobile power outlet. This instrument is widely used for studying indoor air quality, and for the mobile mapping of the air quality impacts of localized sources.

Sensitivity :

Proportional to fl ow rate, inversely proportional to time
resolution - approximately 0.1 ¼g/m3 @ 1-minute resolution
@ 3 LPM.

Flow Rate (User setting)

2 to 4 LPM optimum, monitored by mass fl ow meter.
Internal pump provides 2 to 6 LPM, stabilized by closedloop

Size:

Instrument constructed in portable cabinet with carrying
handle: 11� high, 12� deep, 8� wide.
control.

Temperature:

0 ~ 40 ºC operating. Electronics have active temperature
stabilization.