31-dec-16 10:50:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 72.66 hours . Total airflow this filter = 8.23 cubic meters . Mean BC concentration of all lamps = 123 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .700 sen(zero) = 0.021 . ref(beam) = 2.181 ref(zero) = 0.022 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 952 ng Mean aerosol black carbon concentration = 115 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 510 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .645 sen(zero) = 0.021 . ref(beam) = 2.385 ref(zero) = 0.022 . Optical attenuation of filter deposit = 63 . Total aerosol black carbon on filter = 1027 ng Mean aerosol black carbon concentration = 124 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 423 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .856 sen(zero) = 0.021 . ref(beam) = 1.688 ref(zero) = 0.022 . Optical attenuation of filter deposit = 56 . Total aerosol black carbon on filter = 1004 ng Mean aerosol black carbon concentration = 122 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 488 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .592 sen(zero) = 0.021 . ref(beam) = 2.143 ref(zero) = 0.022 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 1029 ng Mean aerosol black carbon concentration = 125 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 698 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .278 sen(zero) = 0.021 . ref(beam) = .912 ref(zero) = 0.022 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 1056 ng Mean aerosol black carbon concentration = 128 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 549 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .484 sen(zero) = 0.021 . ref(beam) = 1.102 ref(zero) = 0.022 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 1032 ng Mean aerosol black carbon concentration = 125 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 679 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .826 sen(zero) = 0.021 . ref(beam) = 1.120 ref(zero) = 0.022 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 992 ng Mean aerosol black carbon concentration = 120 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 691 ppm. --- Disk space = 4.863263E+08 bytes free: One entry at every 10 minutes. There is space for 206771 hours ( 8615 days) more data --- 31-dec-16 10:50:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 31-dec-16 11:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.022 . Lamp 1 (370 nm): sen(beam) = 1.455 ref(beam) = 2.135 . Lamp 2 (470 nm): sen(beam) = 1.208 ref(beam) = 2.414 . Lamp 3 (520 nm): sen(beam) = 1.507 ref(beam) = 1.712 . Lamp 4 (590 nm): sen(beam) = .943 ref(beam) = 2.095 . Lamp 5 (660 nm): sen(beam) = .435 ref(beam) = .928 . Lamp 6 (880 nm): sen(beam) = .669 ref(beam) = 1.112 . Lamp 7 (950 nm): sen(beam) = 1.106 ref(beam) = 1.131 ---