05-may-12 16:59:42 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 93.33 hours . Total airflow this filter = 27.36 cubic meters . Mean BC concentration of all lamps = 47 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .512 sen(zero) = 0.021 . ref(beam) = 2.169 ref(zero) = 0.021 . Optical attenuation of filter deposit = 96 . Total aerosol black carbon on filter = 1215 ng Mean aerosol black carbon concentration = 44 ng/m3 --- The reference beam showed lamp intensity fluctuations of 58 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .954 sen(zero) = 0.021 . ref(beam) = 2.375 ref(zero) = 0.021 . Optical attenuation of filter deposit = 79 . Total aerosol black carbon on filter = 1275 ng Mean aerosol black carbon concentration = 46 ng/m3 --- The reference beam showed lamp intensity fluctuations of 41 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .693 sen(zero) = 0.021 . ref(beam) = 2.433 ref(zero) = 0.021 . Optical attenuation of filter deposit = 70 . Total aerosol black carbon on filter = 1251 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 36 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.001 sen(zero) = 0.021 . ref(beam) = 1.228 ref(zero) = 0.021 . Optical attenuation of filter deposit = 63 . Total aerosol black carbon on filter = 1276 ng Mean aerosol black carbon concentration = 46 ng/m3 --- The reference beam showed lamp intensity fluctuations of 149 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.350 sen(zero) = 0.021 . ref(beam) = 2.363 ref(zero) = 0.021 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 1317 ng Mean aerosol black carbon concentration = 48 ng/m3 --- The reference beam showed lamp intensity fluctuations of 87 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.457 sen(zero) = 0.021 . ref(beam) = 3.492 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 1375 ng Mean aerosol black carbon concentration = 50 ng/m3 --- The reference beam showed lamp intensity fluctuations of 94 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.191 sen(zero) = 0.021 . ref(beam) = 4.495 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 1333 ng Mean aerosol black carbon concentration = 48 ng/m3 --- The reference beam showed lamp intensity fluctuations of 95 ppm. --- Disk space = 3.108198E+07 bytes free: One entry at every 5 minutes. There is space for 6608 hours ( 275 days) more data --- Disk space = 3.063962E+07 bytes free: One entry at every 5 minutes. There is space for 6514 hours ( 271 days) more data --- 05-may-12 17:49:07 Tape feeder mechanism advancing for 1 spot(s). --- 05-may-12 17:51:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 05-may-12 17:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.301 ref(beam) = 2.169 . Lamp 2 (470 nm): sen(beam) = 2.095 ref(beam) = 2.388 . Lamp 3 (520 nm): sen(beam) = 1.391 ref(beam) = 2.457 . Lamp 4 (590 nm): sen(beam) = 1.862 ref(beam) = 1.230 . Lamp 5 (660 nm): sen(beam) = 2.418 ref(beam) = 2.377 . Lamp 6 (880 nm): sen(beam) = 2.289 ref(beam) = 3.526 . Lamp 7 (950 nm): sen(beam) = 1.791 ref(beam) = 4.506 ---