01-nov-11 18:27:26 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 24.83 hours . Total airflow this filter = 7.28 cubic meters . Mean BC concentration of all lamps = 21 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.227 sen(zero) = 0.021 . ref(beam) = 2.211 ref(zero) = 0.021 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 156 ng Mean aerosol black carbon concentration = 21 ng/m3 --- The reference beam showed lamp intensity fluctuations of 61 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 2.019 sen(zero) = 0.021 . ref(beam) = 2.427 ref(zero) = 0.021 . Optical attenuation of filter deposit = 9 . Total aerosol black carbon on filter = 148 ng Mean aerosol black carbon concentration = 20 ng/m3 --- The reference beam showed lamp intensity fluctuations of 51 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.352 sen(zero) = 0.021 . ref(beam) = 2.492 ref(zero) = 0.021 . Optical attenuation of filter deposit = 8 . Total aerosol black carbon on filter = 147 ng Mean aerosol black carbon concentration = 20 ng/m3 --- The reference beam showed lamp intensity fluctuations of 43 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.813 sen(zero) = 0.021 . ref(beam) = 1.230 ref(zero) = 0.021 . Optical attenuation of filter deposit = 7 . Total aerosol black carbon on filter = 148 ng Mean aerosol black carbon concentration = 20 ng/m3 --- The reference beam showed lamp intensity fluctuations of 136 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.404 sen(zero) = 0.021 . ref(beam) = 2.426 ref(zero) = 0.021 . Optical attenuation of filter deposit = 6 . Total aerosol black carbon on filter = 148 ng Mean aerosol black carbon concentration = 20 ng/m3 --- The reference beam showed lamp intensity fluctuations of 89 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.254 sen(zero) = 0.021 . ref(beam) = 3.508 ref(zero) = 0.021 . Optical attenuation of filter deposit = 5 . Total aerosol black carbon on filter = 174 ng Mean aerosol black carbon concentration = 24 ng/m3 --- The reference beam showed lamp intensity fluctuations of 99 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.775 sen(zero) = 0.021 . ref(beam) = 4.569 ref(zero) = 0.021 . Optical attenuation of filter deposit = 4 . Total aerosol black carbon on filter = 161 ng Mean aerosol black carbon concentration = 22 ng/m3 --- The reference beam showed lamp intensity fluctuations of 92 ppm. --- Disk space = 2.080512E+07 bytes free: One entry at every 5 minutes. There is space for 4423 hours ( 184 days) more data --- Disk space = 2.06848E+07 bytes free: One entry at every 5 minutes. There is space for 4397 hours ( 183 days) more data --- 01-nov-11 18:48:07 Tape feeder mechanism advancing for 1 spot(s). --- 01-nov-11 18:51:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 01-nov-11 18:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.335 ref(beam) = 2.205 . Lamp 2 (470 nm): sen(beam) = 2.152 ref(beam) = 2.426 . Lamp 3 (520 nm): sen(beam) = 1.436 ref(beam) = 2.502 . Lamp 4 (590 nm): sen(beam) = 1.878 ref(beam) = 1.222 . Lamp 5 (660 nm): sen(beam) = 2.501 ref(beam) = 2.421 . Lamp 6 (880 nm): sen(beam) = 2.329 ref(beam) = 3.515 . Lamp 7 (950 nm): sen(beam) = 1.823 ref(beam) = 4.555 ---