14-aug-12 16:00:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 137.5 hours . Total airflow this filter = 40.3 cubic meters . Mean BC concentration of all lamps = 33 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .500 sen(zero) = 0.021 . ref(beam) = 2.155 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1253 ng Mean aerosol black carbon concentration = 31 ng/m3 --- The reference beam showed lamp intensity fluctuations of 100 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .920 sen(zero) = 0.021 . ref(beam) = 2.357 ref(zero) = 0.021 . Optical attenuation of filter deposit = 83 . Total aerosol black carbon on filter = 1349 ng Mean aerosol black carbon concentration = 33 ng/m3 --- The reference beam showed lamp intensity fluctuations of 73 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .669 sen(zero) = 0.021 . ref(beam) = 2.408 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 1334 ng Mean aerosol black carbon concentration = 33 ng/m3 --- The reference beam showed lamp intensity fluctuations of 60 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .941 sen(zero) = 0.021 . ref(beam) = 1.175 ref(zero) = 0.021 . Optical attenuation of filter deposit = 67 . Total aerosol black carbon on filter = 1366 ng Mean aerosol black carbon concentration = 33 ng/m3 --- The reference beam showed lamp intensity fluctuations of 286 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.259 sen(zero) = 0.021 . ref(beam) = 2.260 ref(zero) = 0.021 . Optical attenuation of filter deposit = 62 . Total aerosol black carbon on filter = 1417 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 164 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.406 sen(zero) = 0.021 . ref(beam) = 3.357 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 1435 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 184 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.146 sen(zero) = 0.021 . ref(beam) = 4.370 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 1403 ng Mean aerosol black carbon concentration = 34 ng/m3 --- The reference beam showed lamp intensity fluctuations of 183 ppm. --- Disk space = 2.675046E+07 bytes free: One entry at every 5 minutes. There is space for 5687 hours ( 237 days) more data --- 14-aug-12 16:00:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 14-aug-12 16:14:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.314 ref(beam) = 2.121 . Lamp 2 (470 nm): sen(beam) = 2.126 ref(beam) = 2.352 . Lamp 3 (520 nm): sen(beam) = 1.413 ref(beam) = 2.404 . Lamp 4 (590 nm): sen(beam) = 1.833 ref(beam) = 1.162 . Lamp 5 (660 nm): sen(beam) = 2.364 ref(beam) = 2.261 . Lamp 6 (880 nm): sen(beam) = 2.266 ref(beam) = 3.339 . Lamp 7 (950 nm): sen(beam) = 1.760 ref(beam) = 4.349 ---