29-oct-17 09:45:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 19.91 hours . Total airflow this filter = 2.56 cubic meters . Mean BC concentration of all lamps = 337 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .803 sen(zero) = 0.021 . ref(beam) = 2.143 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 951 ng Mean aerosol black carbon concentration = 372 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 193 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .798 sen(zero) = 0.021 . ref(beam) = 2.379 ref(zero) = 0.021 . Optical attenuation of filter deposit = 56 . Total aerosol black carbon on filter = 911 ng Mean aerosol black carbon concentration = 356 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 183 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.080 sen(zero) = 0.021 . ref(beam) = 1.617 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 858 ng Mean aerosol black carbon concentration = 335 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 206 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .757 sen(zero) = 0.021 . ref(beam) = 2.064 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 857 ng Mean aerosol black carbon concentration = 335 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 339 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .319 sen(zero) = 0.021 . ref(beam) = .825 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 861 ng Mean aerosol black carbon concentration = 337 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 242 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .584 sen(zero) = 0.021 . ref(beam) = 1.039 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 818 ng Mean aerosol black carbon concentration = 320 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 269 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .995 sen(zero) = 0.021 . ref(beam) = 1.077 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 777 ng Mean aerosol black carbon concentration = 304 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 287 ppm. --- Disk space = 2.535342E+08 bytes free: One entry at every 10 minutes. There is space for 107795 hours ( 4491 days) more data --- 29-oct-17 09:45:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 29-oct-17 10:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.766 ref(beam) = 2.098 . Lamp 2 (470 nm): sen(beam) = 1.445 ref(beam) = 2.323 . Lamp 3 (520 nm): sen(beam) = 1.793 ref(beam) = 1.602 . Lamp 4 (590 nm): sen(beam) = 1.129 ref(beam) = 1.980 . Lamp 5 (660 nm): sen(beam) = .465 ref(beam) = .803 . Lamp 6 (880 nm): sen(beam) = .766 ref(beam) = 1.017 . Lamp 7 (950 nm): sen(beam) = 1.267 ref(beam) = 1.047 ---