01-jun-11 19:09:31 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 43.16 hours . Total airflow this filter = 12.66 cubic meters . Mean BC concentration of all lamps = 10 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.210 sen(zero) = 0.021 . ref(beam) = 2.265 ref(zero) = 0.021 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 183 ng Mean aerosol black carbon concentration = 14 ng/m3 --- The reference beam showed lamp intensity fluctuations of 186 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 2.003 sen(zero) = 0.021 . ref(beam) = 2.465 ref(zero) = 0.021 . Optical attenuation of filter deposit = 9 . Total aerosol black carbon on filter = 152 ng Mean aerosol black carbon concentration = 12 ng/m3 --- The reference beam showed lamp intensity fluctuations of 117 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.363 sen(zero) = 0.021 . ref(beam) = 2.537 ref(zero) = 0.021 . Optical attenuation of filter deposit = 7 . Total aerosol black carbon on filter = 135 ng Mean aerosol black carbon concentration = 10 ng/m3 --- The reference beam showed lamp intensity fluctuations of 62 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.813 sen(zero) = 0.021 . ref(beam) = 1.237 ref(zero) = 0.021 . Optical attenuation of filter deposit = 6 . Total aerosol black carbon on filter = 128 ng Mean aerosol black carbon concentration = 10 ng/m3 --- The reference beam showed lamp intensity fluctuations of 646 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.509 sen(zero) = 0.021 . ref(beam) = 2.539 ref(zero) = 0.021 . Optical attenuation of filter deposit = 5 . Total aerosol black carbon on filter = 128 ng Mean aerosol black carbon concentration = 10 ng/m3 --- The reference beam showed lamp intensity fluctuations of 369 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.291 sen(zero) = 0.021 . ref(beam) = 3.552 ref(zero) = 0.021 . Optical attenuation of filter deposit = 3 . Total aerosol black carbon on filter = 117 ng Mean aerosol black carbon concentration = 9 ng/m3 --- The reference beam showed lamp intensity fluctuations of 390 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.799 sen(zero) = 0.021 . ref(beam) = 4.601 ref(zero) = 0.021 . Optical attenuation of filter deposit = 3 . Total aerosol black carbon on filter = 111 ng Mean aerosol black carbon concentration = 8 ng/m3 --- The reference beam showed lamp intensity fluctuations of 384 ppm. --- Disk space = 1.510144E+07 bytes free: One entry at every 5 minutes. There is space for 3210 hours ( 134 days) more data --- Disk space = 1.489562E+07 bytes free: One entry at every 5 minutes. There is space for 3167 hours ( 132 days) more data --- 01-jun-11 23:21:09 Tape feeder mechanism advancing for 1 spot(s). --- 01-jun-11 23:26:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 01-jun-11 23:34:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.367 ref(beam) = 2.225 . Lamp 2 (470 nm): sen(beam) = 2.173 ref(beam) = 2.449 . Lamp 3 (520 nm): sen(beam) = 1.455 ref(beam) = 2.518 . Lamp 4 (590 nm): sen(beam) = 1.925 ref(beam) = 1.233 . Lamp 5 (660 nm): sen(beam) = 2.635 ref(beam) = 2.536 . Lamp 6 (880 nm): sen(beam) = 2.372 ref(beam) = 3.547 . Lamp 7 (950 nm): sen(beam) = 1.849 ref(beam) = 4.579 ---