23-nov-11 23:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 28.83 hours . Total airflow this filter = 8.45 cubic meters . Mean BC concentration of all lamps = 160 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .508 sen(zero) = 0.021 . ref(beam) = 2.223 ref(zero) = 0.021 . Optical attenuation of filter deposit = 100 . Total aerosol black carbon on filter = 1266 ng Mean aerosol black carbon concentration = 150 ng/m3 --- The reference beam showed lamp intensity fluctuations of 46 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .948 sen(zero) = 0.021 . ref(beam) = 2.431 ref(zero) = 0.021 . Optical attenuation of filter deposit = 83 . Total aerosol black carbon on filter = 1337 ng Mean aerosol black carbon concentration = 158 ng/m3 --- The reference beam showed lamp intensity fluctuations of 36 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .691 sen(zero) = 0.021 . ref(beam) = 2.491 ref(zero) = 0.021 . Optical attenuation of filter deposit = 74 . Total aerosol black carbon on filter = 1319 ng Mean aerosol black carbon concentration = 156 ng/m3 --- The reference beam showed lamp intensity fluctuations of 35 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.006 sen(zero) = 0.021 . ref(beam) = 1.261 ref(zero) = 0.021 . Optical attenuation of filter deposit = 67 . Total aerosol black carbon on filter = 1358 ng Mean aerosol black carbon concentration = 161 ng/m3 --- The reference beam showed lamp intensity fluctuations of 122 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.370 sen(zero) = 0.021 . ref(beam) = 2.450 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 1393 ng Mean aerosol black carbon concentration = 165 ng/m3 --- The reference beam showed lamp intensity fluctuations of 72 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.494 sen(zero) = 0.021 . ref(beam) = 3.589 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 1423 ng Mean aerosol black carbon concentration = 168 ng/m3 --- The reference beam showed lamp intensity fluctuations of 77 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.226 sen(zero) = 0.021 . ref(beam) = 4.651 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 1386 ng Mean aerosol black carbon concentration = 164 ng/m3 --- The reference beam showed lamp intensity fluctuations of 81 ppm. --- Disk space = 1.843763E+07 bytes free: One entry at every 5 minutes. There is space for 3920 hours ( 163 days) more data --- 23-nov-11 23:35:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 23-nov-11 23:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.269 ref(beam) = 2.203 . Lamp 2 (470 nm): sen(beam) = 2.061 ref(beam) = 2.411 . Lamp 3 (520 nm): sen(beam) = 1.367 ref(beam) = 2.481 . Lamp 4 (590 nm): sen(beam) = 1.854 ref(beam) = 1.243 . Lamp 5 (660 nm): sen(beam) = 2.419 ref(beam) = 2.421 . Lamp 6 (880 nm): sen(beam) = 2.303 ref(beam) = 3.555 . Lamp 7 (950 nm): sen(beam) = 1.799 ref(beam) = 4.579 ---