14-dec-12 20:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 51.24 hours . Total airflow this filter = 15.01 cubic meters . Mean BC concentration of all lamps = 89 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .499 sen(zero) = 0.021 . ref(beam) = 2.264 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1260 ng Mean aerosol black carbon concentration = 84 ng/m3 --- The reference beam showed lamp intensity fluctuations of 45 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .942 sen(zero) = 0.021 . ref(beam) = 2.470 ref(zero) = 0.021 . Optical attenuation of filter deposit = 82 . Total aerosol black carbon on filter = 1328 ng Mean aerosol black carbon concentration = 88 ng/m3 --- The reference beam showed lamp intensity fluctuations of 41 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .674 sen(zero) = 0.021 . ref(beam) = 2.497 ref(zero) = 0.021 . Optical attenuation of filter deposit = 73 . Total aerosol black carbon on filter = 1308 ng Mean aerosol black carbon concentration = 87 ng/m3 --- The reference beam showed lamp intensity fluctuations of 42 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.044 sen(zero) = 0.021 . ref(beam) = 1.325 ref(zero) = 0.021 . Optical attenuation of filter deposit = 66 . Total aerosol black carbon on filter = 1334 ng Mean aerosol black carbon concentration = 89 ng/m3 --- The reference beam showed lamp intensity fluctuations of 138 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.328 sen(zero) = 0.021 . ref(beam) = 2.417 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 1365 ng Mean aerosol black carbon concentration = 91 ng/m3 --- The reference beam showed lamp intensity fluctuations of 87 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.514 sen(zero) = 0.021 . ref(beam) = 3.684 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 1393 ng Mean aerosol black carbon concentration = 92 ng/m3 --- The reference beam showed lamp intensity fluctuations of 98 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.237 sen(zero) = 0.021 . ref(beam) = 4.798 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 1353 ng Mean aerosol black carbon concentration = 90 ng/m3 --- The reference beam showed lamp intensity fluctuations of 100 ppm. --- Disk space = 2.65472E+07 bytes free: One entry at every 5 minutes. There is space for 5644 hours ( 235 days) more data --- 14-dec-12 20:55:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 14-dec-12 21:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.082 ref(beam) = 2.229 . Lamp 2 (470 nm): sen(beam) = 1.805 ref(beam) = 2.446 . Lamp 3 (520 nm): sen(beam) = 1.197 ref(beam) = 2.473 . Lamp 4 (590 nm): sen(beam) = 1.762 ref(beam) = 1.299 . Lamp 5 (660 nm): sen(beam) = 2.074 ref(beam) = 2.383 . Lamp 6 (880 nm): sen(beam) = 2.189 ref(beam) = 3.627 . Lamp 7 (950 nm): sen(beam) = 1.689 ref(beam) = 4.725 ---