07-dec-11 18:29:29 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 44.66 hours . Total airflow this filter = 13.09 cubic meters . Mean BC concentration of all lamps = 46 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .876 sen(zero) = 0.021 . ref(beam) = 2.237 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 592 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 55 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.520 sen(zero) = 0.021 . ref(beam) = 2.433 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 608 ng Mean aerosol black carbon concentration = 46 ng/m3 --- The reference beam showed lamp intensity fluctuations of 46 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.049 sen(zero) = 0.021 . ref(beam) = 2.493 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 592 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 41 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.511 sen(zero) = 0.021 . ref(beam) = 1.286 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 599 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 149 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.992 sen(zero) = 0.021 . ref(beam) = 2.467 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 614 ng Mean aerosol black carbon concentration = 47 ng/m3 --- The reference beam showed lamp intensity fluctuations of 99 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.001 sen(zero) = 0.021 . ref(beam) = 3.626 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 615 ng Mean aerosol black carbon concentration = 47 ng/m3 --- The reference beam showed lamp intensity fluctuations of 105 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.601 sen(zero) = 0.021 . ref(beam) = 4.693 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 600 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 105 ppm. --- Disk space = 1.698355E+07 bytes free: One entry at every 5 minutes. There is space for 3610 hours ( 150 days) more data --- Disk space = 1.677005E+07 bytes free: One entry at every 5 minutes. There is space for 3565 hours ( 149 days) more data --- 07-dec-11 18:48:46 Tape feeder mechanism advancing for 1 spot(s). --- 07-dec-11 18:51:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 07-dec-11 18:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.325 ref(beam) = 2.243 . Lamp 2 (470 nm): sen(beam) = 2.145 ref(beam) = 2.449 . Lamp 3 (520 nm): sen(beam) = 1.419 ref(beam) = 2.518 . Lamp 4 (590 nm): sen(beam) = 1.951 ref(beam) = 1.283 . Lamp 5 (660 nm): sen(beam) = 2.524 ref(beam) = 2.481 . Lamp 6 (880 nm): sen(beam) = 2.382 ref(beam) = 3.648 . Lamp 7 (950 nm): sen(beam) = 1.865 ref(beam) = 4.704 ---