15-dec-11 11:00:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 68.49 hours . Total airflow this filter = 20.08 cubic meters . Mean BC concentration of all lamps = 66 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .499 sen(zero) = 0.021 . ref(beam) = 2.228 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1253 ng Mean aerosol black carbon concentration = 62 ng/m3 --- The reference beam showed lamp intensity fluctuations of 42 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .932 sen(zero) = 0.021 . ref(beam) = 2.429 ref(zero) = 0.021 . Optical attenuation of filter deposit = 82 . Total aerosol black carbon on filter = 1327 ng Mean aerosol black carbon concentration = 66 ng/m3 --- The reference beam showed lamp intensity fluctuations of 31 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .675 sen(zero) = 0.021 . ref(beam) = 2.484 ref(zero) = 0.021 . Optical attenuation of filter deposit = 73 . Total aerosol black carbon on filter = 1313 ng Mean aerosol black carbon concentration = 65 ng/m3 --- The reference beam showed lamp intensity fluctuations of 32 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .970 sen(zero) = 0.021 . ref(beam) = 1.238 ref(zero) = 0.021 . Optical attenuation of filter deposit = 66 . Total aerosol black carbon on filter = 1340 ng Mean aerosol black carbon concentration = 66 ng/m3 --- The reference beam showed lamp intensity fluctuations of 108 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.337 sen(zero) = 0.021 . ref(beam) = 2.422 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 1368 ng Mean aerosol black carbon concentration = 68 ng/m3 --- The reference beam showed lamp intensity fluctuations of 68 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.447 sen(zero) = 0.021 . ref(beam) = 3.526 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 1412 ng Mean aerosol black carbon concentration = 70 ng/m3 --- The reference beam showed lamp intensity fluctuations of 69 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.197 sen(zero) = 0.021 . ref(beam) = 4.595 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 1361 ng Mean aerosol black carbon concentration = 67 ng/m3 --- The reference beam showed lamp intensity fluctuations of 71 ppm. --- Disk space = 1.622426E+07 bytes free: One entry at every 5 minutes. There is space for 3449 hours ( 144 days) more data --- 15-dec-11 11:00:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 15-dec-11 11:14:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.302 ref(beam) = 2.198 . Lamp 2 (470 nm): sen(beam) = 2.103 ref(beam) = 2.400 . Lamp 3 (520 nm): sen(beam) = 1.396 ref(beam) = 2.484 . Lamp 4 (590 nm): sen(beam) = 1.870 ref(beam) = 1.227 . Lamp 5 (660 nm): sen(beam) = 2.438 ref(beam) = 2.387 . Lamp 6 (880 nm): sen(beam) = 2.328 ref(beam) = 3.536 . Lamp 7 (950 nm): sen(beam) = 1.811 ref(beam) = 4.530 ---