20-nov-12 15:59:49 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 20.75 hours . Total airflow this filter = 6.08 cubic meters . Mean BC concentration of all lamps = 121 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .770 sen(zero) = 0.021 . ref(beam) = 2.280 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 733 ng Mean aerosol black carbon concentration = 121 ng/m3 --- The reference beam showed lamp intensity fluctuations of 62 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.371 sen(zero) = 0.021 . ref(beam) = 2.492 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 757 ng Mean aerosol black carbon concentration = 125 ng/m3 --- The reference beam showed lamp intensity fluctuations of 45 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .954 sen(zero) = 0.021 . ref(beam) = 2.506 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 726 ng Mean aerosol black carbon concentration = 119 ng/m3 --- The reference beam showed lamp intensity fluctuations of 40 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.418 sen(zero) = 0.021 . ref(beam) = 1.329 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 731 ng Mean aerosol black carbon concentration = 120 ng/m3 --- The reference beam showed lamp intensity fluctuations of 166 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.781 sen(zero) = 0.021 . ref(beam) = 2.440 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 745 ng Mean aerosol black carbon concentration = 123 ng/m3 --- The reference beam showed lamp intensity fluctuations of 102 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.893 sen(zero) = 0.021 . ref(beam) = 3.690 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 735 ng Mean aerosol black carbon concentration = 121 ng/m3 --- The reference beam showed lamp intensity fluctuations of 125 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.525 sen(zero) = 0.021 . ref(beam) = 4.834 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 714 ng Mean aerosol black carbon concentration = 117 ng/m3 --- The reference beam showed lamp intensity fluctuations of 118 ppm. --- Disk space = 2.554163E+07 bytes free: One entry at every 5 minutes. There is space for 5430 hours ( 226 days) more data --- Disk space = 2.544077E+07 bytes free: One entry at every 5 minutes. There is space for 5408 hours ( 225 days) more data --- 20-nov-12 19:59:48 Tape feeder mechanism advancing for 1 spot(s). --- 20-nov-12 20:06:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 20-nov-12 20:14:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.353 ref(beam) = 2.245 . Lamp 2 (470 nm): sen(beam) = 2.182 ref(beam) = 2.468 . Lamp 3 (520 nm): sen(beam) = 1.423 ref(beam) = 2.486 . Lamp 4 (590 nm): sen(beam) = 2.019 ref(beam) = 1.304 . Lamp 5 (660 nm): sen(beam) = 2.474 ref(beam) = 2.410 . Lamp 6 (880 nm): sen(beam) = 2.417 ref(beam) = 3.642 . Lamp 7 (950 nm): sen(beam) = 1.891 ref(beam) = 4.761 ---