Katalog Produk

Keterangan

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 control.

*Data Output

Digital data is transmitted from rear COM port. Analog
output connector represents BC data as 0~5 volt DC signal,
scalable in software.

* Consumables Required :

Filter tape (sample): 1 to 4 rolls per year, depending on
concentrations, and cartridge fi lters (bypass fl ow; internalpurge fl ow; fl ow meter protection): approximately one peryear, each.

* Size :

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

* Weight :

Approx. 25 lbs (11 kg).

* Power Requirement :

Operates from internal battery; 12 volt power cables; or
AC powered battery charger 100~240 VAC 50~400 Hz.
Consumption approx. 25 watts.

* Operation Environment :

Specifi ed for typical indoor conditions. Not inherently
weatherproof - additional enclosure recommended.

* Temperature :
0 ~ 40 ºC operating. Electronics have active temperature
stabilization.