13-nov-12 08:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 97.25 hours . Total airflow this filter = 28.5 cubic meters . Mean BC concentration of all lamps = 48 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .522 sen(zero) = 0.021 . ref(beam) = 2.264 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1253 ng Mean aerosol black carbon concentration = 44 ng/m3 --- The reference beam showed lamp intensity fluctuations of 41 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .967 sen(zero) = 0.021 . ref(beam) = 2.444 ref(zero) = 0.021 . Optical attenuation of filter deposit = 82 . Total aerosol black carbon on filter = 1327 ng Mean aerosol black carbon concentration = 46 ng/m3 --- The reference beam showed lamp intensity fluctuations of 31 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .688 sen(zero) = 0.021 . ref(beam) = 2.493 ref(zero) = 0.021 . Optical attenuation of filter deposit = 74 . Total aerosol black carbon on filter = 1318 ng Mean aerosol black carbon concentration = 46 ng/m3 --- The reference beam showed lamp intensity fluctuations of 30 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.038 sen(zero) = 0.021 . ref(beam) = 1.309 ref(zero) = 0.021 . Optical attenuation of filter deposit = 66 . Total aerosol black carbon on filter = 1344 ng Mean aerosol black carbon concentration = 47 ng/m3 --- The reference beam showed lamp intensity fluctuations of 100 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.328 sen(zero) = 0.021 . ref(beam) = 2.368 ref(zero) = 0.021 . Optical attenuation of filter deposit = 62 . Total aerosol black carbon on filter = 1396 ng Mean aerosol black carbon concentration = 49 ng/m3 --- The reference beam showed lamp intensity fluctuations of 62 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.472 sen(zero) = 0.021 . ref(beam) = 3.640 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 1486 ng Mean aerosol black carbon concentration = 52 ng/m3 --- The reference beam showed lamp intensity fluctuations of 66 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.207 sen(zero) = 0.021 . ref(beam) = 4.699 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 1448 ng Mean aerosol black carbon concentration = 50 ng/m3 --- The reference beam showed lamp intensity fluctuations of 66 ppm. --- Disk space = 2.673306E+07 bytes free: One entry at every 5 minutes. There is space for 5683 hours ( 237 days) more data --- 13-nov-12 08:15:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 13-nov-12 08:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.347 ref(beam) = 2.243 . Lamp 2 (470 nm): sen(beam) = 2.169 ref(beam) = 2.446 . Lamp 3 (520 nm): sen(beam) = 1.423 ref(beam) = 2.477 . Lamp 4 (590 nm): sen(beam) = 2.003 ref(beam) = 1.287 . Lamp 5 (660 nm): sen(beam) = 2.450 ref(beam) = 2.376 . Lamp 6 (880 nm): sen(beam) = 2.391 ref(beam) = 3.586 . Lamp 7 (950 nm): sen(beam) = 1.862 ref(beam) = 4.700 ---