30-nov-16 16:38:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 24.39 hours . Total airflow this filter = 4.2 cubic meters . Mean BC concentration of all lamps = 213 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .675 sen(zero) = 0.021 . ref(beam) = 2.278 ref(zero) = 0.024 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 226 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 530 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .666 sen(zero) = 0.021 . ref(beam) = 2.615 ref(zero) = 0.024 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 924 ng Mean aerosol black carbon concentration = 220 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 538 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .903 sen(zero) = 0.021 . ref(beam) = 1.765 ref(zero) = 0.024 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 877 ng Mean aerosol black carbon concentration = 209 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 507 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .659 sen(zero) = 0.021 . ref(beam) = 2.259 ref(zero) = 0.024 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 891 ng Mean aerosol black carbon concentration = 212 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 575 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .304 sen(zero) = 0.021 . ref(beam) = 1.047 ref(zero) = 0.024 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 903 ng Mean aerosol black carbon concentration = 215 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 633 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .494 sen(zero) = 0.021 . ref(beam) = 1.159 ref(zero) = 0.024 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 873 ng Mean aerosol black carbon concentration = 208 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 662 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .846 sen(zero) = 0.021 . ref(beam) = 1.232 ref(zero) = 0.024 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 840 ng Mean aerosol black carbon concentration = 200 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 721 ppm. --- Disk space = 4.908728E+08 bytes free: One entry at every 2 minutes. There is space for 41741 hours ( 1739 days) more data --- 30-nov-16 16:38:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 30-nov-16 16:47:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.024 . Lamp 1 (370 nm): sen(beam) = 1.463 ref(beam) = 2.157 . Lamp 2 (470 nm): sen(beam) = 1.222 ref(beam) = 2.343 . Lamp 3 (520 nm): sen(beam) = 1.496 ref(beam) = 1.719 . Lamp 4 (590 nm): sen(beam) = .986 ref(beam) = 2.193 . Lamp 5 (660 nm): sen(beam) = .454 ref(beam) = .923 . Lamp 6 (880 nm): sen(beam) = .684 ref(beam) = 1.134 . Lamp 7 (950 nm): sen(beam) = 1.141 ref(beam) = 1.141 ---