01-dec-12 17:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 95.25 hours . Total airflow this filter = 27.91 cubic meters . Mean BC concentration of all lamps = 49 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .504 sen(zero) = 0.021 . ref(beam) = 2.237 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1255 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 42 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .927 sen(zero) = 0.021 . ref(beam) = 2.442 ref(zero) = 0.021 . Optical attenuation of filter deposit = 84 . Total aerosol black carbon on filter = 1356 ng Mean aerosol black carbon concentration = 48 ng/m3 --- The reference beam showed lamp intensity fluctuations of 32 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .669 sen(zero) = 0.021 . ref(beam) = 2.468 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 1339 ng Mean aerosol black carbon concentration = 48 ng/m3 --- The reference beam showed lamp intensity fluctuations of 32 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .983 sen(zero) = 0.021 . ref(beam) = 1.259 ref(zero) = 0.021 . Optical attenuation of filter deposit = 68 . Total aerosol black carbon on filter = 1388 ng Mean aerosol black carbon concentration = 49 ng/m3 --- The reference beam showed lamp intensity fluctuations of 102 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.272 sen(zero) = 0.021 . ref(beam) = 2.338 ref(zero) = 0.021 . Optical attenuation of filter deposit = 63 . Total aerosol black carbon on filter = 1423 ng Mean aerosol black carbon concentration = 51 ng/m3 --- The reference beam showed lamp intensity fluctuations of 62 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.440 sen(zero) = 0.021 . ref(beam) = 3.547 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 1462 ng Mean aerosol black carbon concentration = 52 ng/m3 --- The reference beam showed lamp intensity fluctuations of 64 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.179 sen(zero) = 0.021 . ref(beam) = 4.635 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 1433 ng Mean aerosol black carbon concentration = 51 ng/m3 --- The reference beam showed lamp intensity fluctuations of 65 ppm. --- Disk space = 2.466406E+07 bytes free: One entry at every 5 minutes. There is space for 5243 hours ( 218 days) more data --- 01-dec-12 17:15:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 01-dec-12 17:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.324 ref(beam) = 2.203 . Lamp 2 (470 nm): sen(beam) = 2.132 ref(beam) = 2.429 . Lamp 3 (520 nm): sen(beam) = 1.400 ref(beam) = 2.467 . Lamp 4 (590 nm): sen(beam) = 1.908 ref(beam) = 1.247 . Lamp 5 (660 nm): sen(beam) = 2.362 ref(beam) = 2.324 . Lamp 6 (880 nm): sen(beam) = 2.332 ref(beam) = 3.535 . Lamp 7 (950 nm): sen(beam) = 1.809 ref(beam) = 4.584 ---