25-sep-18 14:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 25.08 hours . Total airflow this filter = 2.64 cubic meters . Mean BC concentration of all lamps = 338 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .961 sen(zero) = 0.021 . ref(beam) = 2.409 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 360 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 236 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .904 sen(zero) = 0.021 . ref(beam) = 2.619 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 952 ng Mean aerosol black carbon concentration = 360 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 147 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.213 sen(zero) = 0.021 . ref(beam) = 1.754 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 902 ng Mean aerosol black carbon concentration = 342 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 154 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .836 sen(zero) = 0.021 . ref(beam) = 2.295 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 896 ng Mean aerosol black carbon concentration = 339 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 501 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .330 sen(zero) = 0.021 . ref(beam) = .836 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 901 ng Mean aerosol black carbon concentration = 341 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 273 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .665 sen(zero) = 0.021 . ref(beam) = 1.135 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 842 ng Mean aerosol black carbon concentration = 319 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 332 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.153 sen(zero) = 0.021 . ref(beam) = 1.183 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 798 ng Mean aerosol black carbon concentration = 302 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 371 ppm. --- Disk space = 2.534441E+08 bytes free: One entry at every 10 minutes. There is space for 107757 hours ( 4490 days) more data --- 25-sep-18 14:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 25-sep-18 14:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 2.112 ref(beam) = 2.442 . Lamp 2 (470 nm): sen(beam) = 1.698 ref(beam) = 2.645 . Lamp 3 (520 nm): sen(beam) = 2.107 ref(beam) = 1.795 . Lamp 4 (590 nm): sen(beam) = 1.308 ref(beam) = 2.263 . Lamp 5 (660 nm): sen(beam) = .503 ref(beam) = .838 . Lamp 6 (880 nm): sen(beam) = .910 ref(beam) = 1.150 . Lamp 7 (950 nm): sen(beam) = 1.525 ref(beam) = 1.190 ---