01-sep-18 15:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 19.41 hours . Total airflow this filter = 2 cubic meters . Mean BC concentration of all lamps = 415 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .956 sen(zero) = 0.021 . ref(beam) = 2.292 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 476 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 161 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .921 sen(zero) = 0.021 . ref(beam) = 2.490 ref(zero) = 0.021 . Optical attenuation of filter deposit = 56 . Total aerosol black carbon on filter = 907 ng Mean aerosol black carbon concentration = 454 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 105 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.241 sen(zero) = 0.021 . ref(beam) = 1.676 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 845 ng Mean aerosol black carbon concentration = 423 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 122 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .850 sen(zero) = 0.021 . ref(beam) = 2.171 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 821 ng Mean aerosol black carbon concentration = 411 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 316 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .337 sen(zero) = 0.021 . ref(beam) = .795 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 823 ng Mean aerosol black carbon concentration = 412 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 184 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .677 sen(zero) = 0.021 . ref(beam) = 1.083 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 753 ng Mean aerosol black carbon concentration = 377 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 226 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.168 sen(zero) = 0.021 . ref(beam) = 1.124 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 709 ng Mean aerosol black carbon concentration = 355 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 246 ppm. --- Disk space = 2.539889E+08 bytes free: One entry at every 10 minutes. There is space for 107988 hours ( 4500 days) more data --- 01-sep-18 15:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 01-sep-18 16:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 2.009 ref(beam) = 2.302 . Lamp 2 (470 nm): sen(beam) = 1.621 ref(beam) = 2.526 . Lamp 3 (520 nm): sen(beam) = 2.007 ref(beam) = 1.698 . Lamp 4 (590 nm): sen(beam) = 1.232 ref(beam) = 2.118 . Lamp 5 (660 nm): sen(beam) = .477 ref(beam) = .803 . Lamp 6 (880 nm): sen(beam) = .859 ref(beam) = 1.084 . Lamp 7 (950 nm): sen(beam) = 1.438 ref(beam) = 1.124 ---