03-mar-13 09:40:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 108.58 hours . Total airflow this filter = 31.82 cubic meters . Mean BC concentration of all lamps = 44 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .496 sen(zero) = 0.021 . ref(beam) = 2.171 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1253 ng Mean aerosol black carbon concentration = 39 ng/m3 --- The reference beam showed lamp intensity fluctuations of 61 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .904 sen(zero) = 0.021 . ref(beam) = 2.370 ref(zero) = 0.021 . Optical attenuation of filter deposit = 84 . Total aerosol black carbon on filter = 1362 ng Mean aerosol black carbon concentration = 42 ng/m3 --- The reference beam showed lamp intensity fluctuations of 47 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .640 sen(zero) = 0.021 . ref(beam) = 2.415 ref(zero) = 0.021 . Optical attenuation of filter deposit = 77 . Total aerosol black carbon on filter = 1373 ng Mean aerosol black carbon concentration = 43 ng/m3 --- The reference beam showed lamp intensity fluctuations of 42 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .989 sen(zero) = 0.021 . ref(beam) = 1.290 ref(zero) = 0.021 . Optical attenuation of filter deposit = 69 . Total aerosol black carbon on filter = 1399 ng Mean aerosol black carbon concentration = 44 ng/m3 --- The reference beam showed lamp intensity fluctuations of 159 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.197 sen(zero) = 0.021 . ref(beam) = 2.324 ref(zero) = 0.021 . Optical attenuation of filter deposit = 68 . Total aerosol black carbon on filter = 1548 ng Mean aerosol black carbon concentration = 48 ng/m3 --- The reference beam showed lamp intensity fluctuations of 100 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.416 sen(zero) = 0.021 . ref(beam) = 3.582 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 1517 ng Mean aerosol black carbon concentration = 47 ng/m3 --- The reference beam showed lamp intensity fluctuations of 108 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.145 sen(zero) = 0.021 . ref(beam) = 4.633 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 1535 ng Mean aerosol black carbon concentration = 48 ng/m3 --- The reference beam showed lamp intensity fluctuations of 108 ppm. --- Disk space = 2.504448E+07 bytes free: One entry at every 5 minutes. There is space for 5324 hours ( 222 days) more data --- 03-mar-13 09:40:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 03-mar-13 09:54:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.316 ref(beam) = 2.122 . Lamp 2 (470 nm): sen(beam) = 2.132 ref(beam) = 2.336 . Lamp 3 (520 nm): sen(beam) = 1.388 ref(beam) = 2.409 . Lamp 4 (590 nm): sen(beam) = 1.997 ref(beam) = 1.276 . Lamp 5 (660 nm): sen(beam) = 2.420 ref(beam) = 2.286 . Lamp 6 (880 nm): sen(beam) = 2.375 ref(beam) = 3.573 . Lamp 7 (950 nm): sen(beam) = 1.849 ref(beam) = 4.566 ---