15-jan-13 19:26:21 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 56.08 hours . Total airflow this filter = 16.43 cubic meters . Mean BC concentration of all lamps = 64 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .591 sen(zero) = 0.021 . ref(beam) = 2.212 ref(zero) = 0.021 . Optical attenuation of filter deposit = 77 . Total aerosol black carbon on filter = 985 ng Mean aerosol black carbon concentration = 60 ng/m3 --- The reference beam showed lamp intensity fluctuations of 53 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.083 sen(zero) = 0.021 . ref(beam) = 2.412 ref(zero) = 0.021 . Optical attenuation of filter deposit = 64 . Total aerosol black carbon on filter = 1038 ng Mean aerosol black carbon concentration = 63 ng/m3 --- The reference beam showed lamp intensity fluctuations of 56 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .757 sen(zero) = 0.021 . ref(beam) = 2.441 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 1029 ng Mean aerosol black carbon concentration = 62 ng/m3 --- The reference beam showed lamp intensity fluctuations of 50 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.158 sen(zero) = 0.021 . ref(beam) = 1.289 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 1054 ng Mean aerosol black carbon concentration = 64 ng/m3 --- The reference beam showed lamp intensity fluctuations of 319 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.438 sen(zero) = 0.021 . ref(beam) = 2.340 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 1082 ng Mean aerosol black carbon concentration = 65 ng/m3 --- The reference beam showed lamp intensity fluctuations of 195 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.579 sen(zero) = 0.021 . ref(beam) = 3.582 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 1155 ng Mean aerosol black carbon concentration = 70 ng/m3 --- The reference beam showed lamp intensity fluctuations of 216 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.281 sen(zero) = 0.021 . ref(beam) = 4.645 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 1118 ng Mean aerosol black carbon concentration = 68 ng/m3 --- The reference beam showed lamp intensity fluctuations of 204 ppm. --- Disk space = 2.63721E+07 bytes free: One entry at every 5 minutes. There is space for 5606 hours ( 234 days) more data --- Disk space = 2.610586E+07 bytes free: One entry at every 5 minutes. There is space for 5550 hours ( 231 days) more data --- 15-jan-13 22:17:41 Tape feeder mechanism advancing for 1 spot(s). --- 15-jan-13 22:21:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 15-jan-13 22:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.343 ref(beam) = 2.219 . Lamp 2 (470 nm): sen(beam) = 2.162 ref(beam) = 2.443 . Lamp 3 (520 nm): sen(beam) = 1.416 ref(beam) = 2.468 . Lamp 4 (590 nm): sen(beam) = 1.996 ref(beam) = 1.291 . Lamp 5 (660 nm): sen(beam) = 2.432 ref(beam) = 2.373 . Lamp 6 (880 nm): sen(beam) = 2.388 ref(beam) = 3.618 . Lamp 7 (950 nm): sen(beam) = 1.860 ref(beam) = 4.697 ---