12-dec-16 13:56:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 23.09 hours . Total airflow this filter = 4.12 cubic meters . Mean BC concentration of all lamps = 181 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .685 sen(zero) = 0.021 . ref(beam) = 2.263 ref(zero) = 0.024 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 230 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 488 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .717 sen(zero) = 0.021 . ref(beam) = 2.563 ref(zero) = 0.024 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 821 ng Mean aerosol black carbon concentration = 199 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 523 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .979 sen(zero) = 0.021 . ref(beam) = 1.767 ref(zero) = 0.024 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 737 ng Mean aerosol black carbon concentration = 179 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 520 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .717 sen(zero) = 0.021 . ref(beam) = 2.258 ref(zero) = 0.024 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 715 ng Mean aerosol black carbon concentration = 173 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 548 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .327 sen(zero) = 0.021 . ref(beam) = 1.008 ref(zero) = 0.024 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 714 ng Mean aerosol black carbon concentration = 173 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 657 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .533 sen(zero) = 0.021 . ref(beam) = 1.167 ref(zero) = 0.024 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 664 ng Mean aerosol black carbon concentration = 161 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 646 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .909 sen(zero) = 0.021 . ref(beam) = 1.216 ref(zero) = 0.024 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 636 ng Mean aerosol black carbon concentration = 154 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 699 ppm. --- Disk space = 4.87383E+08 bytes free: One entry at every 2 minutes. There is space for 41444 hours ( 1727 days) more data --- 12-dec-16 13:56:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 12-dec-16 14:05:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.023 . Lamp 1 (370 nm): sen(beam) = 1.429 ref(beam) = 2.274 . Lamp 2 (470 nm): sen(beam) = 1.190 ref(beam) = 2.582 . Lamp 3 (520 nm): sen(beam) = 1.488 ref(beam) = 1.786 . Lamp 4 (590 nm): sen(beam) = .991 ref(beam) = 2.249 . Lamp 5 (660 nm): sen(beam) = .443 ref(beam) = 1.012 . Lamp 6 (880 nm): sen(beam) = .666 ref(beam) = 1.176 . Lamp 7 (950 nm): sen(beam) = 1.108 ref(beam) = 1.218 ---