08-dec-18 02:40:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 88.5 hours . Total airflow this filter = 10.07 cubic meters . Mean BC concentration of all lamps = 87 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .934 sen(zero) = 0.021 . ref(beam) = 2.334 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 953 ng Mean aerosol black carbon concentration = 94 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 230 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .881 sen(zero) = 0.021 . ref(beam) = 2.527 ref(zero) = 0.021 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 941 ng Mean aerosol black carbon concentration = 93 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 78 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.200 sen(zero) = 0.021 . ref(beam) = 1.696 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 881 ng Mean aerosol black carbon concentration = 87 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 103 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .822 sen(zero) = 0.021 . ref(beam) = 2.212 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 871 ng Mean aerosol black carbon concentration = 86 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 604 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .319 sen(zero) = 0.021 . ref(beam) = .795 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 879 ng Mean aerosol black carbon concentration = 87 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 206 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .650 sen(zero) = 0.021 . ref(beam) = 1.092 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 824 ng Mean aerosol black carbon concentration = 81 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 320 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.122 sen(zero) = 0.021 . ref(beam) = 1.140 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 783 ng Mean aerosol black carbon concentration = 77 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 348 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-18 02:40:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 08-dec-18 02:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 2.070 ref(beam) = 2.379 . Lamp 2 (470 nm): sen(beam) = 1.652 ref(beam) = 2.589 . Lamp 3 (520 nm): sen(beam) = 2.069 ref(beam) = 1.755 . Lamp 4 (590 nm): sen(beam) = 1.281 ref(beam) = 2.213 . Lamp 5 (660 nm): sen(beam) = .485 ref(beam) = .812 . Lamp 6 (880 nm): sen(beam) = .887 ref(beam) = 1.122 . Lamp 7 (950 nm): sen(beam) = 1.483 ref(beam) = 1.166 ---