24-oct-16 14:24:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 25.56 hours . Total airflow this filter = 4.81 cubic meters . Mean BC concentration of all lamps = 191 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .741 sen(zero) = 0.021 . ref(beam) = 2.228 ref(zero) = 0.030 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 197 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 173 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .717 sen(zero) = 0.021 . ref(beam) = 2.469 ref(zero) = 0.030 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 940 ng Mean aerosol black carbon concentration = 195 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 128 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .973 sen(zero) = 0.021 . ref(beam) = 1.754 ref(zero) = 0.030 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 901 ng Mean aerosol black carbon concentration = 187 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 138 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .667 sen(zero) = 0.021 . ref(beam) = 2.156 ref(zero) = 0.030 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 914 ng Mean aerosol black carbon concentration = 190 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 206 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .329 sen(zero) = 0.021 . ref(beam) = 1.029 ref(zero) = 0.030 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 940 ng Mean aerosol black carbon concentration = 195 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 183 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .526 sen(zero) = 0.021 . ref(beam) = 1.144 ref(zero) = 0.030 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 921 ng Mean aerosol black carbon concentration = 191 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 180 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .893 sen(zero) = 0.021 . ref(beam) = 1.170 ref(zero) = 0.030 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 867 ng Mean aerosol black carbon concentration = 180 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 210 ppm. --- Disk space = 5.003018E+08 bytes free: One entry at every 2 minutes. There is space for 42543 hours ( 1773 days) more data --- 24-oct-16 14:24:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 24-oct-16 14:33:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.030 . Lamp 1 (370 nm): sen(beam) = 1.451 ref(beam) = 2.177 . Lamp 2 (470 nm): sen(beam) = 1.206 ref(beam) = 2.484 . Lamp 3 (520 nm): sen(beam) = 1.523 ref(beam) = 1.751 . Lamp 4 (590 nm): sen(beam) = .981 ref(beam) = 2.079 . Lamp 5 (660 nm): sen(beam) = .470 ref(beam) = 1.036 . Lamp 6 (880 nm): sen(beam) = .665 ref(beam) = 1.138 . Lamp 7 (950 nm): sen(beam) = 1.100 ref(beam) = 1.176 ---