14-nov-16 23:32:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 59.96 hours . Total airflow this filter = 10.78 cubic meters . Mean BC concentration of all lamps = 89 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .713 sen(zero) = 0.021 . ref(beam) = 2.237 ref(zero) = 0.024 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 88 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 225 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .671 sen(zero) = 0.021 . ref(beam) = 2.435 ref(zero) = 0.024 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 975 ng Mean aerosol black carbon concentration = 90 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 102 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .909 sen(zero) = 0.021 . ref(beam) = 1.779 ref(zero) = 0.024 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 939 ng Mean aerosol black carbon concentration = 87 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 128 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .606 sen(zero) = 0.021 . ref(beam) = 2.145 ref(zero) = 0.024 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 976 ng Mean aerosol black carbon concentration = 90 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 158 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .296 sen(zero) = 0.021 . ref(beam) = .972 ref(zero) = 0.024 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 1020 ng Mean aerosol black carbon concentration = 94 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 134 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .496 sen(zero) = 0.021 . ref(beam) = 1.141 ref(zero) = 0.024 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 956 ng Mean aerosol black carbon concentration = 88 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 141 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .841 sen(zero) = 0.021 . ref(beam) = 1.150 ref(zero) = 0.024 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 922 ng Mean aerosol black carbon concentration = 85 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 158 ppm. --- Disk space = 4.958863E+08 bytes free: One entry at every 2 minutes. There is space for 42167 hours ( 1757 days) more data --- 14-nov-16 23:32:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 14-nov-16 23:41:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.026 . Lamp 1 (370 nm): sen(beam) = 1.507 ref(beam) = 2.180 . Lamp 2 (470 nm): sen(beam) = 1.246 ref(beam) = 2.415 . Lamp 3 (520 nm): sen(beam) = 1.563 ref(beam) = 1.764 . Lamp 4 (590 nm): sen(beam) = .967 ref(beam) = 2.091 . Lamp 5 (660 nm): sen(beam) = .463 ref(beam) = .957 . Lamp 6 (880 nm): sen(beam) = .686 ref(beam) = 1.131 . Lamp 7 (950 nm): sen(beam) = 1.132 ref(beam) = 1.135 ---