16-dec-12 20:08:55 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 46.91 hours . Total airflow this filter = 13.75 cubic meters . Mean BC concentration of all lamps = 44 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .674 sen(zero) = 0.021 . ref(beam) = 2.247 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 599 ng Mean aerosol black carbon concentration = 43 ng/m3 --- The reference beam showed lamp intensity fluctuations of 30 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.225 sen(zero) = 0.021 . ref(beam) = 2.457 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 613 ng Mean aerosol black carbon concentration = 44 ng/m3 --- The reference beam showed lamp intensity fluctuations of 21 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .851 sen(zero) = 0.021 . ref(beam) = 2.477 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 598 ng Mean aerosol black carbon concentration = 43 ng/m3 --- The reference beam showed lamp intensity fluctuations of 25 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.315 sen(zero) = 0.021 . ref(beam) = 1.318 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 606 ng Mean aerosol black carbon concentration = 44 ng/m3 --- The reference beam showed lamp intensity fluctuations of 77 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.577 sen(zero) = 0.021 . ref(beam) = 2.401 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 617 ng Mean aerosol black carbon concentration = 44 ng/m3 --- The reference beam showed lamp intensity fluctuations of 48 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.778 sen(zero) = 0.021 . ref(beam) = 3.651 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 631 ng Mean aerosol black carbon concentration = 46 ng/m3 --- The reference beam showed lamp intensity fluctuations of 49 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.409 sen(zero) = 0.021 . ref(beam) = 4.770 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 608 ng Mean aerosol black carbon concentration = 44 ng/m3 --- The reference beam showed lamp intensity fluctuations of 49 ppm. --- Disk space = 2.630246E+07 bytes free: One entry at every 5 minutes. There is space for 5592 hours ( 233 days) more data --- Disk space = 2.607872E+07 bytes free: One entry at every 5 minutes. There is space for 5544 hours ( 231 days) more data --- 16-dec-12 20:22:46 Tape feeder mechanism advancing for 1 spot(s). --- 16-dec-12 20:26:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 16-dec-12 20:34:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.041 ref(beam) = 2.236 . Lamp 2 (470 nm): sen(beam) = 1.755 ref(beam) = 2.446 . Lamp 3 (520 nm): sen(beam) = 1.176 ref(beam) = 2.487 . Lamp 4 (590 nm): sen(beam) = 1.718 ref(beam) = 1.311 . Lamp 5 (660 nm): sen(beam) = 2.081 ref(beam) = 2.384 . Lamp 6 (880 nm): sen(beam) = 2.187 ref(beam) = 3.669 . Lamp 7 (950 nm): sen(beam) = 1.715 ref(beam) = 4.734 ---