23-nov-12 21:04:57 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 72.74 hours . Total airflow this filter = 21.32 cubic meters . Mean BC concentration of all lamps = 31 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .807 sen(zero) = 0.021 . ref(beam) = 2.263 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 668 ng Mean aerosol black carbon concentration = 31 ng/m3 --- The reference beam showed lamp intensity fluctuations of 48 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.426 sen(zero) = 0.021 . ref(beam) = 2.472 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 685 ng Mean aerosol black carbon concentration = 32 ng/m3 --- The reference beam showed lamp intensity fluctuations of 38 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .981 sen(zero) = 0.021 . ref(beam) = 2.483 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 663 ng Mean aerosol black carbon concentration = 31 ng/m3 --- The reference beam showed lamp intensity fluctuations of 37 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.455 sen(zero) = 0.021 . ref(beam) = 1.312 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 675 ng Mean aerosol black carbon concentration = 31 ng/m3 --- The reference beam showed lamp intensity fluctuations of 153 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.826 sen(zero) = 0.021 . ref(beam) = 2.412 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 686 ng Mean aerosol black carbon concentration = 32 ng/m3 --- The reference beam showed lamp intensity fluctuations of 95 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.918 sen(zero) = 0.021 . ref(beam) = 3.643 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 697 ng Mean aerosol black carbon concentration = 32 ng/m3 --- The reference beam showed lamp intensity fluctuations of 102 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.543 sen(zero) = 0.021 . ref(beam) = 4.777 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 675 ng Mean aerosol black carbon concentration = 31 ng/m3 --- The reference beam showed lamp intensity fluctuations of 102 ppm. --- Disk space = 2.544077E+07 bytes free: One entry at every 5 minutes. There is space for 5408 hours ( 225 days) more data --- Disk space = 2.509517E+07 bytes free: One entry at every 5 minutes. There is space for 5335 hours ( 222 days) more data --- 23-nov-12 21:43:09 Tape feeder mechanism advancing for 1 spot(s). --- 23-nov-12 21:46:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 23-nov-12 21:54:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.352 ref(beam) = 2.233 . Lamp 2 (470 nm): sen(beam) = 2.180 ref(beam) = 2.448 . Lamp 3 (520 nm): sen(beam) = 1.431 ref(beam) = 2.481 . Lamp 4 (590 nm): sen(beam) = 2.020 ref(beam) = 1.295 . Lamp 5 (660 nm): sen(beam) = 2.468 ref(beam) = 2.379 . Lamp 6 (880 nm): sen(beam) = 2.424 ref(beam) = 3.627 . Lamp 7 (950 nm): sen(beam) = 1.892 ref(beam) = 4.710 ---