09-nov-12 06:45:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 78.66 hours . Total airflow this filter = 23.05 cubic meters . Mean BC concentration of all lamps = 60 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .495 sen(zero) = 0.021 . ref(beam) = 2.181 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1257 ng Mean aerosol black carbon concentration = 54 ng/m3 --- The reference beam showed lamp intensity fluctuations of 59 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .913 sen(zero) = 0.021 . ref(beam) = 2.384 ref(zero) = 0.021 . Optical attenuation of filter deposit = 83 . Total aerosol black carbon on filter = 1350 ng Mean aerosol black carbon concentration = 58 ng/m3 --- The reference beam showed lamp intensity fluctuations of 46 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .661 sen(zero) = 0.021 . ref(beam) = 2.429 ref(zero) = 0.021 . Optical attenuation of filter deposit = 74 . Total aerosol black carbon on filter = 1333 ng Mean aerosol black carbon concentration = 57 ng/m3 --- The reference beam showed lamp intensity fluctuations of 41 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .934 sen(zero) = 0.021 . ref(beam) = 1.204 ref(zero) = 0.021 . Optical attenuation of filter deposit = 68 . Total aerosol black carbon on filter = 1385 ng Mean aerosol black carbon concentration = 60 ng/m3 --- The reference beam showed lamp intensity fluctuations of 175 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.222 sen(zero) = 0.021 . ref(beam) = 2.262 ref(zero) = 0.021 . Optical attenuation of filter deposit = 63 . Total aerosol black carbon on filter = 1434 ng Mean aerosol black carbon concentration = 62 ng/m3 --- The reference beam showed lamp intensity fluctuations of 107 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.371 sen(zero) = 0.021 . ref(beam) = 3.412 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 1501 ng Mean aerosol black carbon concentration = 65 ng/m3 --- The reference beam showed lamp intensity fluctuations of 118 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.118 sen(zero) = 0.021 . ref(beam) = 4.467 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 1481 ng Mean aerosol black carbon concentration = 64 ng/m3 --- The reference beam showed lamp intensity fluctuations of 115 ppm. --- Disk space = 2.710733E+07 bytes free: One entry at every 5 minutes. There is space for 5763 hours ( 240 days) more data --- 09-nov-12 06:45:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 09-nov-12 06:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.323 ref(beam) = 2.185 . Lamp 2 (470 nm): sen(beam) = 2.138 ref(beam) = 2.395 . Lamp 3 (520 nm): sen(beam) = 1.403 ref(beam) = 2.463 . Lamp 4 (590 nm): sen(beam) = 1.847 ref(beam) = 1.210 . Lamp 5 (660 nm): sen(beam) = 2.340 ref(beam) = 2.261 . Lamp 6 (880 nm): sen(beam) = 2.279 ref(beam) = 3.460 . Lamp 7 (950 nm): sen(beam) = 1.776 ref(beam) = 4.454 ---