02-dec-11 18:49:39 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 46.08 hours . Total airflow this filter = 13.51 cubic meters . Mean BC concentration of all lamps = 55 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .722 sen(zero) = 0.021 . ref(beam) = 2.222 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 749 ng Mean aerosol black carbon concentration = 55 ng/m3 --- The reference beam showed lamp intensity fluctuations of 42 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.307 sen(zero) = 0.021 . ref(beam) = 2.416 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 761 ng Mean aerosol black carbon concentration = 56 ng/m3 --- The reference beam showed lamp intensity fluctuations of 34 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .923 sen(zero) = 0.021 . ref(beam) = 2.487 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 733 ng Mean aerosol black carbon concentration = 54 ng/m3 --- The reference beam showed lamp intensity fluctuations of 31 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.298 sen(zero) = 0.021 . ref(beam) = 1.238 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 744 ng Mean aerosol black carbon concentration = 55 ng/m3 --- The reference beam showed lamp intensity fluctuations of 96 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.734 sen(zero) = 0.021 . ref(beam) = 2.410 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 762 ng Mean aerosol black carbon concentration = 56 ng/m3 --- The reference beam showed lamp intensity fluctuations of 59 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.794 sen(zero) = 0.021 . ref(beam) = 3.522 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 766 ng Mean aerosol black carbon concentration = 56 ng/m3 --- The reference beam showed lamp intensity fluctuations of 67 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.431 sen(zero) = 0.021 . ref(beam) = 4.582 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 757 ng Mean aerosol black carbon concentration = 56 ng/m3 --- The reference beam showed lamp intensity fluctuations of 69 ppm. --- Disk space = 1.751142E+07 bytes free: One entry at every 5 minutes. There is space for 3723 hours ( 155 days) more data --- Disk space = 1.729229E+07 bytes free: One entry at every 5 minutes. There is space for 3676 hours ( 153 days) more data --- 02-dec-11 19:11:40 Tape feeder mechanism advancing for 1 spot(s). --- 02-dec-11 19:16:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 02-dec-11 19:24:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.298 ref(beam) = 2.222 . Lamp 2 (470 nm): sen(beam) = 2.099 ref(beam) = 2.436 . Lamp 3 (520 nm): sen(beam) = 1.397 ref(beam) = 2.511 . Lamp 4 (590 nm): sen(beam) = 1.854 ref(beam) = 1.237 . Lamp 5 (660 nm): sen(beam) = 2.431 ref(beam) = 2.428 . Lamp 6 (880 nm): sen(beam) = 2.307 ref(beam) = 3.562 . Lamp 7 (950 nm): sen(beam) = 1.800 ref(beam) = 4.589 ---