27-mar-10 04:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 70.08 hours . Total airflow this filter = 20.58 cubic meters . Mean BC concentration of all lamps = 66 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .518 sen(zero) = 0.021 . ref(beam) = 2.234 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1255 ng Mean aerosol black carbon concentration = 61 ng/m3 --- The reference beam showed lamp intensity fluctuations of 60 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .879 sen(zero) = 0.021 . ref(beam) = 2.187 ref(zero) = 0.021 . Optical attenuation of filter deposit = 82 . Total aerosol black carbon on filter = 1332 ng Mean aerosol black carbon concentration = 64 ng/m3 --- The reference beam showed lamp intensity fluctuations of 44 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .697 sen(zero) = 0.021 . ref(beam) = 2.481 ref(zero) = 0.021 . Optical attenuation of filter deposit = 73 . Total aerosol black carbon on filter = 1312 ng Mean aerosol black carbon concentration = 63 ng/m3 --- The reference beam showed lamp intensity fluctuations of 42 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .953 sen(zero) = 0.021 . ref(beam) = 1.179 ref(zero) = 0.021 . Optical attenuation of filter deposit = 67 . Total aerosol black carbon on filter = 1351 ng Mean aerosol black carbon concentration = 65 ng/m3 --- The reference beam showed lamp intensity fluctuations of 140 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.568 sen(zero) = 0.021 . ref(beam) = 2.770 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 1391 ng Mean aerosol black carbon concentration = 67 ng/m3 --- The reference beam showed lamp intensity fluctuations of 89 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.450 sen(zero) = 0.021 . ref(beam) = 3.469 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 1475 ng Mean aerosol black carbon concentration = 71 ng/m3 --- The reference beam showed lamp intensity fluctuations of 102 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.192 sen(zero) = 0.021 . ref(beam) = 4.525 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 1445 ng Mean aerosol black carbon concentration = 70 ng/m3 --- The reference beam showed lamp intensity fluctuations of 98 ppm. --- Disk space = 3.128934E+07 bytes free: One entry at every 5 minutes. There is space for 6652 hours ( 277 days) more data --- 27-mar-10 04:55:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 27-mar-10 05:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.356 ref(beam) = 2.203 . Lamp 2 (470 nm): sen(beam) = 1.985 ref(beam) = 2.170 . Lamp 3 (520 nm): sen(beam) = 1.434 ref(beam) = 2.478 . Lamp 4 (590 nm): sen(beam) = 1.812 ref(beam) = 1.169 . Lamp 5 (660 nm): sen(beam) = 2.889 ref(beam) = 2.750 . Lamp 6 (880 nm): sen(beam) = 2.333 ref(beam) = 3.438 . Lamp 7 (950 nm): sen(beam) = 1.836 ref(beam) = 4.485 ---