AE21 “Dual-Beam” Aethalometer Support
In production from January 1, 2003 to July 25, 2006
Continuously analyzes for aerosol “black” (“elemental”) carbon using 880 nm light, and “UV-absorbing” carbon using 370 nm light: time resolution to 1 minute. Constructed in 19” rack chassis with air mass flow monitor and internal sampling pump. Electronic stabilization of sample flow rate from 2 to 6 liters per minute. Data recorded to diskette; analog and digital data outputs.