08-mar-12 02:05:51 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 6.66 hours . Total airflow this filter = 1.95 cubic meters . Mean BC concentration of all lamps = 80 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .450 sen(zero) = 0.021 . ref(beam) = 2.217 ref(zero) = 0.021 . Optical attenuation of filter deposit = 9 . Total aerosol black carbon on filter = 118 ng Mean aerosol black carbon concentration = 61 ng/m3 --- The reference beam showed lamp intensity fluctuations of 70 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .839 sen(zero) = 0.021 . ref(beam) = 2.422 ref(zero) = 0.021 . Optical attenuation of filter deposit = 8 . Total aerosol black carbon on filter = 142 ng Mean aerosol black carbon concentration = 74 ng/m3 --- The reference beam showed lamp intensity fluctuations of 60 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .622 sen(zero) = 0.021 . ref(beam) = 2.473 ref(zero) = 0.021 . Optical attenuation of filter deposit = 8 . Total aerosol black carbon on filter = 147 ng Mean aerosol black carbon concentration = 76 ng/m3 --- The reference beam showed lamp intensity fluctuations of 44 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .907 sen(zero) = 0.021 . ref(beam) = 1.244 ref(zero) = 0.021 . Optical attenuation of filter deposit = 7 . Total aerosol black carbon on filter = 159 ng Mean aerosol black carbon concentration = 82 ng/m3 --- The reference beam showed lamp intensity fluctuations of 235 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.195 sen(zero) = 0.021 . ref(beam) = 2.418 ref(zero) = 0.021 . Optical attenuation of filter deposit = 7 . Total aerosol black carbon on filter = 164 ng Mean aerosol black carbon concentration = 85 ng/m3 --- The reference beam showed lamp intensity fluctuations of 156 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.386 sen(zero) = 0.021 . ref(beam) = 3.529 ref(zero) = 0.021 . Optical attenuation of filter deposit = 5 . Total aerosol black carbon on filter = 178 ng Mean aerosol black carbon concentration = 92 ng/m3 --- The reference beam showed lamp intensity fluctuations of 161 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.123 sen(zero) = 0.021 . ref(beam) = 4.623 ref(zero) = 0.021 . Optical attenuation of filter deposit = 5 . Total aerosol black carbon on filter = 175 ng Mean aerosol black carbon concentration = 91 ng/m3 --- The reference beam showed lamp intensity fluctuations of 152 ppm. --- Disk space = 3.043072E+07 bytes free: One entry at every 5 minutes. There is space for 6469 hours ( 270 days) more data --- Disk space = 3.039539E+07 bytes free: One entry at every 5 minutes. There is space for 6462 hours ( 269 days) more data --- 08-mar-12 02:30:45 Tape feeder mechanism advancing for 1 spot(s). --- 08-mar-12 02:36:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 08-mar-12 02:44:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .462 ref(beam) = 2.212 . Lamp 2 (470 nm): sen(beam) = .854 ref(beam) = 2.415 . Lamp 3 (520 nm): sen(beam) = .632 ref(beam) = 2.491 . Lamp 4 (590 nm): sen(beam) = .902 ref(beam) = 1.235 . Lamp 5 (660 nm): sen(beam) = 1.202 ref(beam) = 2.401 . Lamp 6 (880 nm): sen(beam) = 1.392 ref(beam) = 3.555 . Lamp 7 (950 nm): sen(beam) = 1.125 ref(beam) = 4.579 ---