12-nov-11 19:09:39 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 47.74 hours . Total airflow this filter = 14 cubic meters . Mean BC concentration of all lamps = 16 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.157 sen(zero) = 0.021 . ref(beam) = 2.327 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 231 ng Mean aerosol black carbon concentration = 16 ng/m3 --- The reference beam showed lamp intensity fluctuations of 45 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.919 sen(zero) = 0.021 . ref(beam) = 2.504 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 221 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 34 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.281 sen(zero) = 0.021 . ref(beam) = 2.573 ref(zero) = 0.021 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 215 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 34 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.849 sen(zero) = 0.021 . ref(beam) = 1.354 ref(zero) = 0.021 . Optical attenuation of filter deposit = 10 . Total aerosol black carbon on filter = 210 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 127 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.397 sen(zero) = 0.021 . ref(beam) = 2.567 ref(zero) = 0.021 . Optical attenuation of filter deposit = 9 . Total aerosol black carbon on filter = 219 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 78 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.262 sen(zero) = 0.021 . ref(beam) = 3.778 ref(zero) = 0.021 . Optical attenuation of filter deposit = 8 . Total aerosol black carbon on filter = 246 ng Mean aerosol black carbon concentration = 17 ng/m3 --- The reference beam showed lamp intensity fluctuations of 84 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.795 sen(zero) = 0.021 . ref(beam) = 4.879 ref(zero) = 0.021 . Optical attenuation of filter deposit = 7 . Total aerosol black carbon on filter = 235 ng Mean aerosol black carbon concentration = 16 ng/m3 --- The reference beam showed lamp intensity fluctuations of 84 ppm. --- Disk space = 1.975347E+07 bytes free: One entry at every 5 minutes. There is space for 4199 hours ( 175 days) more data --- Disk space = 1.952563E+07 bytes free: One entry at every 5 minutes. There is space for 4151 hours ( 173 days) more data --- 12-nov-11 21:23:23 Tape feeder mechanism advancing for 1 spot(s). --- 12-nov-11 21:26:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 12-nov-11 21:34:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.389 ref(beam) = 2.282 . Lamp 2 (470 nm): sen(beam) = 2.226 ref(beam) = 2.496 . Lamp 3 (520 nm): sen(beam) = 1.469 ref(beam) = 2.548 . Lamp 4 (590 nm): sen(beam) = 2.071 ref(beam) = 1.325 . Lamp 5 (660 nm): sen(beam) = 2.660 ref(beam) = 2.564 . Lamp 6 (880 nm): sen(beam) = 2.489 ref(beam) = 3.733 . Lamp 7 (950 nm): sen(beam) = 1.934 ref(beam) = 4.850 ---