19-jun-12 01:50:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 319.33 hours . Total airflow this filter = 93.62 cubic meters . Mean BC concentration of all lamps = 14 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .504 sen(zero) = 0.021 . ref(beam) = 2.184 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1255 ng Mean aerosol black carbon concentration = 13 ng/m3 --- The reference beam showed lamp intensity fluctuations of 148 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .937 sen(zero) = 0.021 . ref(beam) = 2.375 ref(zero) = 0.021 . Optical attenuation of filter deposit = 82 . Total aerosol black carbon on filter = 1322 ng Mean aerosol black carbon concentration = 14 ng/m3 --- The reference beam showed lamp intensity fluctuations of 96 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .679 sen(zero) = 0.021 . ref(beam) = 2.417 ref(zero) = 0.021 . Optical attenuation of filter deposit = 73 . Total aerosol black carbon on filter = 1299 ng Mean aerosol black carbon concentration = 13 ng/m3 --- The reference beam showed lamp intensity fluctuations of 53 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .946 sen(zero) = 0.021 . ref(beam) = 1.182 ref(zero) = 0.021 . Optical attenuation of filter deposit = 66 . Total aerosol black carbon on filter = 1333 ng Mean aerosol black carbon concentration = 14 ng/m3 --- The reference beam showed lamp intensity fluctuations of 529 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.300 sen(zero) = 0.021 . ref(beam) = 2.313 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 1370 ng Mean aerosol black carbon concentration = 14 ng/m3 --- The reference beam showed lamp intensity fluctuations of 293 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.409 sen(zero) = 0.021 . ref(beam) = 3.376 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 1403 ng Mean aerosol black carbon concentration = 14 ng/m3 --- The reference beam showed lamp intensity fluctuations of 320 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.159 sen(zero) = 0.021 . ref(beam) = 4.408 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 1364 ng Mean aerosol black carbon concentration = 14 ng/m3 --- The reference beam showed lamp intensity fluctuations of 323 ppm. --- Disk space = 2.740429E+07 bytes free: One entry at every 5 minutes. There is space for 5826 hours ( 243 days) more data --- 19-jun-12 01:50:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 19-jun-12 02:04:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.328 ref(beam) = 2.143 . Lamp 2 (470 nm): sen(beam) = 2.133 ref(beam) = 2.360 . Lamp 3 (520 nm): sen(beam) = 1.407 ref(beam) = 2.439 . Lamp 4 (590 nm): sen(beam) = 1.818 ref(beam) = 1.183 . Lamp 5 (660 nm): sen(beam) = 2.404 ref(beam) = 2.298 . Lamp 6 (880 nm): sen(beam) = 2.255 ref(beam) = 3.406 . Lamp 7 (950 nm): sen(beam) = 1.764 ref(beam) = 4.376 ---