12-dec-11 14:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 115.25 hours . Total airflow this filter = 33.79 cubic meters . Mean BC concentration of all lamps = 38 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .506 sen(zero) = 0.021 . ref(beam) = 2.253 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1254 ng Mean aerosol black carbon concentration = 37 ng/m3 --- The reference beam showed lamp intensity fluctuations of 48 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .964 sen(zero) = 0.021 . ref(beam) = 2.444 ref(zero) = 0.021 . Optical attenuation of filter deposit = 80 . Total aerosol black carbon on filter = 1301 ng Mean aerosol black carbon concentration = 38 ng/m3 --- The reference beam showed lamp intensity fluctuations of 35 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .700 sen(zero) = 0.021 . ref(beam) = 2.506 ref(zero) = 0.021 . Optical attenuation of filter deposit = 71 . Total aerosol black carbon on filter = 1275 ng Mean aerosol black carbon concentration = 37 ng/m3 --- The reference beam showed lamp intensity fluctuations of 34 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.030 sen(zero) = 0.021 . ref(beam) = 1.273 ref(zero) = 0.021 . Optical attenuation of filter deposit = 64 . Total aerosol black carbon on filter = 1292 ng Mean aerosol black carbon concentration = 38 ng/m3 --- The reference beam showed lamp intensity fluctuations of 128 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.406 sen(zero) = 0.021 . ref(beam) = 2.457 ref(zero) = 0.021 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 1312 ng Mean aerosol black carbon concentration = 38 ng/m3 --- The reference beam showed lamp intensity fluctuations of 76 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.509 sen(zero) = 0.021 . ref(beam) = 3.607 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 1357 ng Mean aerosol black carbon concentration = 40 ng/m3 --- The reference beam showed lamp intensity fluctuations of 78 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.247 sen(zero) = 0.021 . ref(beam) = 4.666 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 1300 ng Mean aerosol black carbon concentration = 38 ng/m3 --- The reference beam showed lamp intensity fluctuations of 82 ppm. --- Disk space = 1.677005E+07 bytes free: One entry at every 5 minutes. There is space for 3565 hours ( 149 days) more data --- 12-dec-11 14:15:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 12-dec-11 14:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.312 ref(beam) = 2.222 . Lamp 2 (470 nm): sen(beam) = 2.113 ref(beam) = 2.433 . Lamp 3 (520 nm): sen(beam) = 1.398 ref(beam) = 2.491 . Lamp 4 (590 nm): sen(beam) = 1.889 ref(beam) = 1.253 . Lamp 5 (660 nm): sen(beam) = 2.466 ref(beam) = 2.444 . Lamp 6 (880 nm): sen(beam) = 2.328 ref(beam) = 3.562 . Lamp 7 (950 nm): sen(beam) = 1.824 ref(beam) = 4.624 ---