24-dec-16 01:40:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 63.16 hours . Total airflow this filter = 7.71 cubic meters . Mean BC concentration of all lamps = 136 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .702 sen(zero) = 0.021 . ref(beam) = 2.170 ref(zero) = 0.023 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 123 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 319 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .633 sen(zero) = 0.021 . ref(beam) = 2.393 ref(zero) = 0.023 . Optical attenuation of filter deposit = 65 . Total aerosol black carbon on filter = 1055 ng Mean aerosol black carbon concentration = 136 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 238 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .838 sen(zero) = 0.021 . ref(beam) = 1.701 ref(zero) = 0.023 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 1041 ng Mean aerosol black carbon concentration = 135 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 321 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .577 sen(zero) = 0.021 . ref(beam) = 2.148 ref(zero) = 0.023 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 1080 ng Mean aerosol black carbon concentration = 140 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 451 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .273 sen(zero) = 0.021 . ref(beam) = .921 ref(zero) = 0.023 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 1109 ng Mean aerosol black carbon concentration = 143 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 357 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .474 sen(zero) = 0.021 . ref(beam) = 1.113 ref(zero) = 0.023 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 1084 ng Mean aerosol black carbon concentration = 140 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 440 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .814 sen(zero) = 0.021 . ref(beam) = 1.129 ref(zero) = 0.023 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 1044 ng Mean aerosol black carbon concentration = 135 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 446 ppm. --- Disk space = 4.867523E+08 bytes free: One entry at every 10 minutes. There is space for 206952 hours ( 8623 days) more data --- 24-dec-16 01:40:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 24-dec-16 01:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.023 . Lamp 1 (370 nm): sen(beam) = 1.418 ref(beam) = 2.177 . Lamp 2 (470 nm): sen(beam) = 1.182 ref(beam) = 2.406 . Lamp 3 (520 nm): sen(beam) = 1.473 ref(beam) = 1.736 . Lamp 4 (590 nm): sen(beam) = .929 ref(beam) = 2.122 . Lamp 5 (660 nm): sen(beam) = .427 ref(beam) = .926 . Lamp 6 (880 nm): sen(beam) = .653 ref(beam) = 1.122 . Lamp 7 (950 nm): sen(beam) = 1.085 ref(beam) = 1.132 ---