06-may-18 18:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 101.58 hours . Total airflow this filter = 11.53 cubic meters . Mean BC concentration of all lamps = 81 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .996 sen(zero) = 0.021 . ref(beam) = 2.439 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 951 ng Mean aerosol black carbon concentration = 82 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 413 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .905 sen(zero) = 0.021 . ref(beam) = 2.616 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 977 ng Mean aerosol black carbon concentration = 84 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 397 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.209 sen(zero) = 0.021 . ref(beam) = 1.774 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 933 ng Mean aerosol black carbon concentration = 80 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 422 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .848 sen(zero) = 0.021 . ref(beam) = 2.382 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 937 ng Mean aerosol black carbon concentration = 81 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 527 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .336 sen(zero) = 0.021 . ref(beam) = .862 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 955 ng Mean aerosol black carbon concentration = 82 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 480 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .665 sen(zero) = 0.021 . ref(beam) = 1.167 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 927 ng Mean aerosol black carbon concentration = 80 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 539 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.151 sen(zero) = 0.021 . ref(beam) = 1.210 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 893 ng Mean aerosol black carbon concentration = 77 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 556 ppm. --- Disk space = 2.538414E+08 bytes free: One entry at every 10 minutes. There is space for 107926 hours ( 4497 days) more data --- 06-may-18 18:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 06-may-18 18:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 2.130 ref(beam) = 2.354 . Lamp 2 (470 nm): sen(beam) = 1.697 ref(beam) = 2.506 . Lamp 3 (520 nm): sen(beam) = 2.087 ref(beam) = 1.709 . Lamp 4 (590 nm): sen(beam) = 1.338 ref(beam) = 2.224 . Lamp 5 (660 nm): sen(beam) = .517 ref(beam) = .819 . Lamp 6 (880 nm): sen(beam) = .912 ref(beam) = 1.108 . Lamp 7 (950 nm): sen(beam) = 1.534 ref(beam) = 1.146 ---