08-jan-12 08:50:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 57.24 hours . Total airflow this filter = 16.78 cubic meters . Mean BC concentration of all lamps = 81 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .502 sen(zero) = 0.021 . ref(beam) = 2.183 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1254 ng Mean aerosol black carbon concentration = 74 ng/m3 --- The reference beam showed lamp intensity fluctuations of 43 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .934 sen(zero) = 0.021 . ref(beam) = 2.403 ref(zero) = 0.021 . Optical attenuation of filter deposit = 83 . Total aerosol black carbon on filter = 1337 ng Mean aerosol black carbon concentration = 79 ng/m3 --- The reference beam showed lamp intensity fluctuations of 33 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .681 sen(zero) = 0.021 . ref(beam) = 2.456 ref(zero) = 0.021 . Optical attenuation of filter deposit = 74 . Total aerosol black carbon on filter = 1324 ng Mean aerosol black carbon concentration = 79 ng/m3 --- The reference beam showed lamp intensity fluctuations of 31 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .962 sen(zero) = 0.021 . ref(beam) = 1.214 ref(zero) = 0.021 . Optical attenuation of filter deposit = 67 . Total aerosol black carbon on filter = 1366 ng Mean aerosol black carbon concentration = 81 ng/m3 --- The reference beam showed lamp intensity fluctuations of 98 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.321 sen(zero) = 0.021 . ref(beam) = 2.384 ref(zero) = 0.021 . Optical attenuation of filter deposit = 62 . Total aerosol black carbon on filter = 1401 ng Mean aerosol black carbon concentration = 83 ng/m3 --- The reference beam showed lamp intensity fluctuations of 63 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.434 sen(zero) = 0.021 . ref(beam) = 3.472 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 1457 ng Mean aerosol black carbon concentration = 86 ng/m3 --- The reference beam showed lamp intensity fluctuations of 68 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.179 sen(zero) = 0.021 . ref(beam) = 4.530 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 1417 ng Mean aerosol black carbon concentration = 84 ng/m3 --- The reference beam showed lamp intensity fluctuations of 65 ppm. --- Disk space = 3.071437E+07 bytes free: One entry at every 5 minutes. There is space for 6529 hours ( 272 days) more data --- 08-jan-12 08:50:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 08-jan-12 09:04:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.040 ref(beam) = 2.199 . Lamp 2 (470 nm): sen(beam) = 1.747 ref(beam) = 2.422 . Lamp 3 (520 nm): sen(beam) = 1.173 ref(beam) = 2.499 . Lamp 4 (590 nm): sen(beam) = 1.597 ref(beam) = 1.223 . Lamp 5 (660 nm): sen(beam) = 2.038 ref(beam) = 2.401 . Lamp 6 (880 nm): sen(beam) = 2.071 ref(beam) = 3.525 . Lamp 7 (950 nm): sen(beam) = 1.603 ref(beam) = 4.563 ---