03-jan-12 07:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 104.41 hours . Total airflow this filter = 30.62 cubic meters . Mean BC concentration of all lamps = 44 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .495 sen(zero) = 0.021 . ref(beam) = 2.230 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1253 ng Mean aerosol black carbon concentration = 40 ng/m3 --- The reference beam showed lamp intensity fluctuations of 32 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .931 sen(zero) = 0.021 . ref(beam) = 2.416 ref(zero) = 0.021 . Optical attenuation of filter deposit = 82 . Total aerosol black carbon on filter = 1321 ng Mean aerosol black carbon concentration = 43 ng/m3 --- The reference beam showed lamp intensity fluctuations of 26 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .667 sen(zero) = 0.021 . ref(beam) = 2.482 ref(zero) = 0.021 . Optical attenuation of filter deposit = 73 . Total aerosol black carbon on filter = 1309 ng Mean aerosol black carbon concentration = 42 ng/m3 --- The reference beam showed lamp intensity fluctuations of 25 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .989 sen(zero) = 0.021 . ref(beam) = 1.265 ref(zero) = 0.021 . Optical attenuation of filter deposit = 65 . Total aerosol black carbon on filter = 1330 ng Mean aerosol black carbon concentration = 43 ng/m3 --- The reference beam showed lamp intensity fluctuations of 78 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.331 sen(zero) = 0.021 . ref(beam) = 2.422 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 1372 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) = 1.447 sen(zero) = 0.021 . ref(beam) = 3.571 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 1430 ng Mean aerosol black carbon concentration = 46 ng/m3 --- The reference beam showed lamp intensity fluctuations of 51 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.187 sen(zero) = 0.021 . ref(beam) = 4.642 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 1407 ng Mean aerosol black carbon concentration = 46 ng/m3 --- The reference beam showed lamp intensity fluctuations of 51 ppm. --- Disk space = 1.425152E+07 bytes free: One entry at every 5 minutes. There is space for 3030 hours ( 126 days) more data --- 03-jan-12 07:55:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 03-jan-12 08:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.191 ref(beam) = 2.230 . Lamp 2 (470 nm): sen(beam) = 1.953 ref(beam) = 2.446 . Lamp 3 (520 nm): sen(beam) = 1.300 ref(beam) = 2.520 . Lamp 4 (590 nm): sen(beam) = 1.809 ref(beam) = 1.275 . Lamp 5 (660 nm): sen(beam) = 2.297 ref(beam) = 2.464 . Lamp 6 (880 nm): sen(beam) = 2.245 ref(beam) = 3.643 . Lamp 7 (950 nm): sen(beam) = 1.740 ref(beam) = 4.680 ---