30-nov-11 20:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 62.24 hours . Total airflow this filter = 18.25 cubic meters . Mean BC concentration of all lamps = 73 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .480 sen(zero) = 0.021 . ref(beam) = 2.206 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1254 ng Mean aerosol black carbon concentration = 68 ng/m3 --- The reference beam showed lamp intensity fluctuations of 45 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .906 sen(zero) = 0.021 . ref(beam) = 2.411 ref(zero) = 0.021 . Optical attenuation of filter deposit = 82 . Total aerosol black carbon on filter = 1319 ng Mean aerosol black carbon concentration = 72 ng/m3 --- The reference beam showed lamp intensity fluctuations of 35 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .661 sen(zero) = 0.021 . ref(beam) = 2.466 ref(zero) = 0.021 . Optical attenuation of filter deposit = 72 . Total aerosol black carbon on filter = 1293 ng Mean aerosol black carbon concentration = 70 ng/m3 --- The reference beam showed lamp intensity fluctuations of 34 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .956 sen(zero) = 0.021 . ref(beam) = 1.232 ref(zero) = 0.021 . Optical attenuation of filter deposit = 66 . Total aerosol black carbon on filter = 1331 ng Mean aerosol black carbon concentration = 73 ng/m3 --- The reference beam showed lamp intensity fluctuations of 112 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.296 sen(zero) = 0.021 . ref(beam) = 2.417 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 1375 ng Mean aerosol black carbon concentration = 75 ng/m3 --- The reference beam showed lamp intensity fluctuations of 68 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.423 sen(zero) = 0.021 . ref(beam) = 3.503 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 1412 ng Mean aerosol black carbon concentration = 77 ng/m3 --- The reference beam showed lamp intensity fluctuations of 73 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.155 sen(zero) = 0.021 . ref(beam) = 4.588 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 1405 ng Mean aerosol black carbon concentration = 77 ng/m3 --- The reference beam showed lamp intensity fluctuations of 73 ppm. --- Disk space = 1.780787E+07 bytes free: One entry at every 5 minutes. There is space for 3786 hours ( 158 days) more data --- 30-nov-11 20:25:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 30-nov-11 20:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.287 ref(beam) = 2.210 . Lamp 2 (470 nm): sen(beam) = 2.093 ref(beam) = 2.417 . Lamp 3 (520 nm): sen(beam) = 1.390 ref(beam) = 2.493 . Lamp 4 (590 nm): sen(beam) = 1.864 ref(beam) = 1.234 . Lamp 5 (660 nm): sen(beam) = 2.431 ref(beam) = 2.414 . Lamp 6 (880 nm): sen(beam) = 2.314 ref(beam) = 3.530 . Lamp 7 (950 nm): sen(beam) = 1.801 ref(beam) = 4.577 ---