01-mar-12 18:06:42 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 23.41 hours . Total airflow this filter = 6.86 cubic meters . Mean BC concentration of all lamps = 41 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.057 sen(zero) = 0.021 . ref(beam) = 2.292 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 298 ng Mean aerosol black carbon concentration = 43 ng/m3 --- The reference beam showed lamp intensity fluctuations of 55 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.818 sen(zero) = 0.021 . ref(beam) = 2.502 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 285 ng Mean aerosol black carbon concentration = 41 ng/m3 --- The reference beam showed lamp intensity fluctuations of 48 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.214 sen(zero) = 0.021 . ref(beam) = 2.537 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 276 ng Mean aerosol black carbon concentration = 40 ng/m3 --- The reference beam showed lamp intensity fluctuations of 41 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.789 sen(zero) = 0.021 . ref(beam) = 1.350 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 275 ng Mean aerosol black carbon concentration = 40 ng/m3 --- The reference beam showed lamp intensity fluctuations of 152 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.286 sen(zero) = 0.021 . ref(beam) = 2.577 ref(zero) = 0.021 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 283 ng Mean aerosol black carbon concentration = 41 ng/m3 --- The reference beam showed lamp intensity fluctuations of 97 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.229 sen(zero) = 0.021 . ref(beam) = 3.760 ref(zero) = 0.021 . Optical attenuation of filter deposit = 9 . Total aerosol black carbon on filter = 291 ng Mean aerosol black carbon concentration = 42 ng/m3 --- The reference beam showed lamp intensity fluctuations of 110 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.757 sen(zero) = 0.021 . ref(beam) = 4.909 ref(zero) = 0.021 . Optical attenuation of filter deposit = 8 . Total aerosol black carbon on filter = 281 ng Mean aerosol black carbon concentration = 41 ng/m3 --- The reference beam showed lamp intensity fluctuations of 105 ppm. --- Disk space = 2.794701E+07 bytes free: One entry at every 5 minutes. There is space for 5941 hours ( 248 days) more data --- Disk space = 3.108454E+07 bytes free: One entry at every 5 minutes. There is space for 6608 hours ( 275 days) more data --- 01-mar-12 18:51:22 Tape feeder mechanism advancing for 1 spot(s). --- 01-mar-12 18:56:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 01-mar-12 19:04:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.348 ref(beam) = 2.252 . Lamp 2 (470 nm): sen(beam) = 2.179 ref(beam) = 2.469 . Lamp 3 (520 nm): sen(beam) = 1.433 ref(beam) = 2.517 . Lamp 4 (590 nm): sen(beam) = 2.042 ref(beam) = 1.324 . Lamp 5 (660 nm): sen(beam) = 2.598 ref(beam) = 2.528 . Lamp 6 (880 nm): sen(beam) = 2.457 ref(beam) = 3.713 . Lamp 7 (950 nm): sen(beam) = 1.919 ref(beam) = 4.813 ---