19-nov-12 18:40:12 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 93.91 hours . Total airflow this filter = 27.52 cubic meters . Mean BC concentration of all lamps = 43 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .571 sen(zero) = 0.021 . ref(beam) = 2.250 ref(zero) = 0.021 . Optical attenuation of filter deposit = 88 . Total aerosol black carbon on filter = 1115 ng Mean aerosol black carbon concentration = 40 ng/m3 --- The reference beam showed lamp intensity fluctuations of 31 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.038 sen(zero) = 0.021 . ref(beam) = 2.448 ref(zero) = 0.021 . Optical attenuation of filter deposit = 73 . Total aerosol black carbon on filter = 1180 ng Mean aerosol black carbon concentration = 42 ng/m3 --- The reference beam showed lamp intensity fluctuations of 23 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .747 sen(zero) = 0.021 . ref(beam) = 2.474 ref(zero) = 0.021 . Optical attenuation of filter deposit = 64 . Total aerosol black carbon on filter = 1152 ng Mean aerosol black carbon concentration = 41 ng/m3 --- The reference beam showed lamp intensity fluctuations of 26 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.103 sen(zero) = 0.021 . ref(beam) = 1.281 ref(zero) = 0.021 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 1183 ng Mean aerosol black carbon concentration = 43 ng/m3 --- The reference beam showed lamp intensity fluctuations of 66 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.404 sen(zero) = 0.021 . ref(beam) = 2.363 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 1226 ng Mean aerosol black carbon concentration = 44 ng/m3 --- The reference beam showed lamp intensity fluctuations of 39 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.559 sen(zero) = 0.021 . ref(beam) = 3.588 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 1258 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 40 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.260 sen(zero) = 0.021 . ref(beam) = 4.679 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 1247 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 39 ppm. --- Disk space = 2.598707E+07 bytes free: One entry at every 5 minutes. There is space for 5524 hours ( 230 days) more data --- Disk space = 2.554163E+07 bytes free: One entry at every 5 minutes. There is space for 5430 hours ( 226 days) more data --- 19-nov-12 18:55:49 Tape feeder mechanism advancing for 1 spot(s). --- 19-nov-12 19:01:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 19-nov-12 19:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.340 ref(beam) = 2.246 . Lamp 2 (470 nm): sen(beam) = 2.164 ref(beam) = 2.468 . Lamp 3 (520 nm): sen(beam) = 1.418 ref(beam) = 2.492 . Lamp 4 (590 nm): sen(beam) = 1.947 ref(beam) = 1.277 . Lamp 5 (660 nm): sen(beam) = 2.416 ref(beam) = 2.386 . Lamp 6 (880 nm): sen(beam) = 2.354 ref(beam) = 3.602 . Lamp 7 (950 nm): sen(beam) = 1.846 ref(beam) = 4.707 ---