08-aug-11 16:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 126.41 hours . Total airflow this filter = 37.07 cubic meters . Mean BC concentration of all lamps = 35 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .518 sen(zero) = 0.021 . ref(beam) = 2.229 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1258 ng Mean aerosol black carbon concentration = 33 ng/m3 --- The reference beam showed lamp intensity fluctuations of 340 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .955 sen(zero) = 0.021 . ref(beam) = 2.402 ref(zero) = 0.021 . Optical attenuation of filter deposit = 82 . Total aerosol black carbon on filter = 1322 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 353 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .703 sen(zero) = 0.021 . ref(beam) = 2.471 ref(zero) = 0.021 . Optical attenuation of filter deposit = 72 . Total aerosol black carbon on filter = 1287 ng Mean aerosol black carbon concentration = 34 ng/m3 --- The reference beam showed lamp intensity fluctuations of 389 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .984 sen(zero) = 0.021 . ref(beam) = 1.200 ref(zero) = 0.021 . Optical attenuation of filter deposit = 65 . Total aerosol black carbon on filter = 1311 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 388 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.407 sen(zero) = 0.021 . ref(beam) = 2.433 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 1346 ng Mean aerosol black carbon concentration = 36 ng/m3 --- The reference beam showed lamp intensity fluctuations of 395 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.470 sen(zero) = 0.021 . ref(beam) = 3.442 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 1363 ng Mean aerosol black carbon concentration = 36 ng/m3 --- The reference beam showed lamp intensity fluctuations of 438 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.203 sen(zero) = 0.021 . ref(beam) = 4.472 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 1334 ng Mean aerosol black carbon concentration = 36 ng/m3 --- The reference beam showed lamp intensity fluctuations of 444 ppm. --- Disk space = 8044032 bytes free: One entry at every 5 minutes. There is space for 1710 hours ( 71 days) more data --- 08-aug-11 16:15:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 08-aug-11 16:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.353 ref(beam) = 2.253 . Lamp 2 (470 nm): sen(beam) = 2.149 ref(beam) = 2.449 . Lamp 3 (520 nm): sen(beam) = 1.438 ref(beam) = 2.519 . Lamp 4 (590 nm): sen(beam) = 1.851 ref(beam) = 1.214 . Lamp 5 (660 nm): sen(beam) = 2.544 ref(beam) = 2.483 . Lamp 6 (880 nm): sen(beam) = 2.306 ref(beam) = 3.503 . Lamp 7 (950 nm): sen(beam) = 1.798 ref(beam) = 4.551 ---