22-nov-11 15:28:14 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 20.58 hours . Total airflow this filter = 6.03 cubic meters . Mean BC concentration of all lamps = 134 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .746 sen(zero) = 0.021 . ref(beam) = 2.238 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 761 ng Mean aerosol black carbon concentration = 126 ng/m3 --- The reference beam showed lamp intensity fluctuations of 45 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.322 sen(zero) = 0.021 . ref(beam) = 2.450 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 799 ng Mean aerosol black carbon concentration = 132 ng/m3 --- The reference beam showed lamp intensity fluctuations of 37 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .922 sen(zero) = 0.021 . ref(beam) = 2.492 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 788 ng Mean aerosol black carbon concentration = 131 ng/m3 --- The reference beam showed lamp intensity fluctuations of 36 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.332 sen(zero) = 0.021 . ref(beam) = 1.280 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 810 ng Mean aerosol black carbon concentration = 134 ng/m3 --- The reference beam showed lamp intensity fluctuations of 140 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.774 sen(zero) = 0.021 . ref(beam) = 2.488 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 828 ng Mean aerosol black carbon concentration = 137 ng/m3 --- The reference beam showed lamp intensity fluctuations of 87 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.822 sen(zero) = 0.021 . ref(beam) = 3.610 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 844 ng Mean aerosol black carbon concentration = 140 ng/m3 --- The reference beam showed lamp intensity fluctuations of 87 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.475 sen(zero) = 0.021 . ref(beam) = 4.716 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 820 ng Mean aerosol black carbon concentration = 136 ng/m3 --- The reference beam showed lamp intensity fluctuations of 86 ppm. --- Disk space = 1.85385E+07 bytes free: One entry at every 5 minutes. There is space for 3941 hours ( 164 days) more data --- Disk space = 1.843763E+07 bytes free: One entry at every 5 minutes. There is space for 3920 hours ( 163 days) more data --- 22-nov-11 18:30:35 Tape feeder mechanism advancing for 1 spot(s). --- 22-nov-11 18:36:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 22-nov-11 18:44:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.351 ref(beam) = 2.220 . Lamp 2 (470 nm): sen(beam) = 2.162 ref(beam) = 2.436 . Lamp 3 (520 nm): sen(beam) = 1.436 ref(beam) = 2.499 . Lamp 4 (590 nm): sen(beam) = 1.969 ref(beam) = 1.270 . Lamp 5 (660 nm): sen(beam) = 2.548 ref(beam) = 2.468 . Lamp 6 (880 nm): sen(beam) = 2.405 ref(beam) = 3.617 . Lamp 7 (950 nm): sen(beam) = 1.876 ref(beam) = 4.670 ---