12-dec-12 17:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 100.33 hours . Total airflow this filter = 29.4 cubic meters . Mean BC concentration of all lamps = 47 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .496 sen(zero) = 0.021 . ref(beam) = 2.292 ref(zero) = 0.021 . Optical attenuation of filter deposit = 100 . Total aerosol black carbon on filter = 1268 ng Mean aerosol black carbon concentration = 43 ng/m3 --- The reference beam showed lamp intensity fluctuations of 29 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .926 sen(zero) = 0.021 . ref(beam) = 2.475 ref(zero) = 0.021 . Optical attenuation of filter deposit = 84 . Total aerosol black carbon on filter = 1356 ng Mean aerosol black carbon concentration = 46 ng/m3 --- The reference beam showed lamp intensity fluctuations of 24 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .660 sen(zero) = 0.021 . ref(beam) = 2.522 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 1341 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 26 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.013 sen(zero) = 0.021 . ref(beam) = 1.334 ref(zero) = 0.021 . Optical attenuation of filter deposit = 68 . Total aerosol black carbon on filter = 1386 ng Mean aerosol black carbon concentration = 47 ng/m3 --- The reference beam showed lamp intensity fluctuations of 70 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.280 sen(zero) = 0.021 . ref(beam) = 2.405 ref(zero) = 0.021 . Optical attenuation of filter deposit = 64 . Total aerosol black carbon on filter = 1441 ng Mean aerosol black carbon concentration = 49 ng/m3 --- The reference beam showed lamp intensity fluctuations of 47 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.451 sen(zero) = 0.021 . ref(beam) = 3.708 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 1501 ng Mean aerosol black carbon concentration = 51 ng/m3 --- The reference beam showed lamp intensity fluctuations of 46 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.177 sen(zero) = 0.021 . ref(beam) = 4.805 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 1474 ng Mean aerosol black carbon concentration = 50 ng/m3 --- The reference beam showed lamp intensity fluctuations of 46 ppm. --- Disk space = 2.702234E+07 bytes free: One entry at every 5 minutes. There is space for 5745 hours ( 239 days) more data --- 12-dec-12 17:25:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 12-dec-12 17:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.312 ref(beam) = 2.250 . Lamp 2 (470 nm): sen(beam) = 2.126 ref(beam) = 2.465 . Lamp 3 (520 nm): sen(beam) = 1.387 ref(beam) = 2.498 . Lamp 4 (590 nm): sen(beam) = 1.985 ref(beam) = 1.311 . Lamp 5 (660 nm): sen(beam) = 2.411 ref(beam) = 2.407 . Lamp 6 (880 nm): sen(beam) = 2.387 ref(beam) = 3.671 . Lamp 7 (950 nm): sen(beam) = 1.856 ref(beam) = 4.767 ---