06-oct-16 11:46:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 28.26 hours . Total airflow this filter = 6.28 cubic meters . Mean BC concentration of all lamps = 148 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .774 sen(zero) = 0.021 . ref(beam) = 2.302 ref(zero) = 0.034 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 151 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 126 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .743 sen(zero) = 0.021 . ref(beam) = 2.540 ref(zero) = 0.034 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 958 ng Mean aerosol black carbon concentration = 152 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 45 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.001 sen(zero) = 0.021 . ref(beam) = 1.788 ref(zero) = 0.034 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 918 ng Mean aerosol black carbon concentration = 146 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 56 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .680 sen(zero) = 0.021 . ref(beam) = 2.147 ref(zero) = 0.034 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 941 ng Mean aerosol black carbon concentration = 150 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 127 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .350 sen(zero) = 0.021 . ref(beam) = 1.083 ref(zero) = 0.034 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 959 ng Mean aerosol black carbon concentration = 152 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 70 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .543 sen(zero) = 0.021 . ref(beam) = 1.152 ref(zero) = 0.034 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 926 ng Mean aerosol black carbon concentration = 147 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 75 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .929 sen(zero) = 0.021 . ref(beam) = 1.187 ref(zero) = 0.034 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 886 ng Mean aerosol black carbon concentration = 141 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 89 ppm. --- Disk space = 5.057659E+08 bytes free: One entry at every 2 minutes. There is space for 43007 hours ( 1792 days) more data --- 06-oct-16 11:46:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 06-oct-16 11:55:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.033 . Lamp 1 (370 nm): sen(beam) = 1.607 ref(beam) = 2.247 . Lamp 2 (470 nm): sen(beam) = 1.319 ref(beam) = 2.488 . Lamp 3 (520 nm): sen(beam) = 1.641 ref(beam) = 1.760 . Lamp 4 (590 nm): sen(beam) = 1.029 ref(beam) = 2.070 . Lamp 5 (660 nm): sen(beam) = .520 ref(beam) = 1.056 . Lamp 6 (880 nm): sen(beam) = .714 ref(beam) = 1.129 . Lamp 7 (950 nm): sen(beam) = 1.190 ref(beam) = 1.159 ---