08-dec-17 20:10:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 81.66 hours . Total airflow this filter = 10.07 cubic meters . Mean BC concentration of all lamps = 97 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .970 sen(zero) = 0.021 . ref(beam) = 2.297 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 94 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 486 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .876 sen(zero) = 0.021 . ref(beam) = 2.455 ref(zero) = 0.021 . Optical attenuation of filter deposit = 62 . Total aerosol black carbon on filter = 996 ng Mean aerosol black carbon concentration = 99 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 431 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.164 sen(zero) = 0.021 . ref(beam) = 1.684 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 968 ng Mean aerosol black carbon concentration = 96 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 468 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .808 sen(zero) = 0.021 . ref(beam) = 2.171 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 984 ng Mean aerosol black carbon concentration = 97 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 778 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .337 sen(zero) = 0.021 . ref(beam) = .843 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 1002 ng Mean aerosol black carbon concentration = 99 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 602 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .635 sen(zero) = 0.021 . ref(beam) = 1.091 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 987 ng Mean aerosol black carbon concentration = 98 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 721 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.090 sen(zero) = 0.021 . ref(beam) = 1.130 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 951 ng Mean aerosol black carbon concentration = 94 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 778 ppm. --- Disk space = 2.541445E+08 bytes free: One entry at every 10 minutes. There is space for 108055 hours ( 4502 days) more data --- 08-dec-17 20:10:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 08-dec-17 20:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.908 ref(beam) = 2.217 . Lamp 2 (470 nm): sen(beam) = 1.515 ref(beam) = 2.404 . Lamp 3 (520 nm): sen(beam) = 1.890 ref(beam) = 1.634 . Lamp 4 (590 nm): sen(beam) = 1.193 ref(beam) = 2.057 . Lamp 5 (660 nm): sen(beam) = .483 ref(beam) = .829 . Lamp 6 (880 nm): sen(beam) = .820 ref(beam) = 1.055 . Lamp 7 (950 nm): sen(beam) = 1.355 ref(beam) = 1.086 ---