27-mar-13 19:00:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 135.83 hours . Total airflow this filter = 39.8 cubic meters . Mean BC concentration of all lamps = 33 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .485 sen(zero) = 0.021 . ref(beam) = 2.092 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1265 ng Mean aerosol black carbon concentration = 31 ng/m3 --- The reference beam showed lamp intensity fluctuations of 49 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .914 sen(zero) = 0.021 . ref(beam) = 2.309 ref(zero) = 0.021 . Optical attenuation of filter deposit = 81 . Total aerosol black carbon on filter = 1315 ng Mean aerosol black carbon concentration = 33 ng/m3 --- The reference beam showed lamp intensity fluctuations of 35 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .659 sen(zero) = 0.021 . ref(beam) = 2.353 ref(zero) = 0.021 . Optical attenuation of filter deposit = 73 . Total aerosol black carbon on filter = 1301 ng Mean aerosol black carbon concentration = 32 ng/m3 --- The reference beam showed lamp intensity fluctuations of 31 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .941 sen(zero) = 0.021 . ref(beam) = 1.180 ref(zero) = 0.021 . Optical attenuation of filter deposit = 65 . Total aerosol black carbon on filter = 1328 ng Mean aerosol black carbon concentration = 33 ng/m3 --- The reference beam showed lamp intensity fluctuations of 122 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.224 sen(zero) = 0.021 . ref(beam) = 2.187 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 1377 ng Mean aerosol black carbon concentration = 34 ng/m3 --- The reference beam showed lamp intensity fluctuations of 73 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.361 sen(zero) = 0.021 . ref(beam) = 3.355 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 1456 ng Mean aerosol black carbon concentration = 36 ng/m3 --- The reference beam showed lamp intensity fluctuations of 79 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.113 sen(zero) = 0.021 . ref(beam) = 4.326 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 1421 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 78 ppm. --- Disk space = 2.52631E+07 bytes free: One entry at every 5 minutes. There is space for 5371 hours ( 224 days) more data --- 27-mar-13 19:00:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 27-mar-13 19:14:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.144 ref(beam) = 2.034 . Lamp 2 (470 nm): sen(beam) = 1.875 ref(beam) = 2.286 . Lamp 3 (520 nm): sen(beam) = 1.249 ref(beam) = 2.342 . Lamp 4 (590 nm): sen(beam) = 1.661 ref(beam) = 1.165 . Lamp 5 (660 nm): sen(beam) = 2.105 ref(beam) = 2.169 . Lamp 6 (880 nm): sen(beam) = 2.105 ref(beam) = 3.339 . Lamp 7 (950 nm): sen(beam) = 1.649 ref(beam) = 4.286 ---