04-sep-12 18:41:26 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 298.91 hours . Total airflow this filter = 87.61 cubic meters . Mean BC concentration of all lamps = 11 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .621 sen(zero) = 0.021 . ref(beam) = 2.123 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 993 ng Mean aerosol black carbon concentration = 11 ng/m3 --- The reference beam showed lamp intensity fluctuations of 151 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.139 sen(zero) = 0.021 . ref(beam) = 2.334 ref(zero) = 0.021 . Optical attenuation of filter deposit = 63 . Total aerosol black carbon on filter = 1020 ng Mean aerosol black carbon concentration = 11 ng/m3 --- The reference beam showed lamp intensity fluctuations of 113 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .810 sen(zero) = 0.021 . ref(beam) = 2.373 ref(zero) = 0.021 . Optical attenuation of filter deposit = 56 . Total aerosol black carbon on filter = 997 ng Mean aerosol black carbon concentration = 11 ng/m3 --- The reference beam showed lamp intensity fluctuations of 85 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.131 sen(zero) = 0.021 . ref(beam) = 1.168 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 1012 ng Mean aerosol black carbon concentration = 11 ng/m3 --- The reference beam showed lamp intensity fluctuations of 365 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.490 sen(zero) = 0.021 . ref(beam) = 2.239 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 1049 ng Mean aerosol black carbon concentration = 11 ng/m3 --- The reference beam showed lamp intensity fluctuations of 235 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.581 sen(zero) = 0.021 . ref(beam) = 3.311 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 1105 ng Mean aerosol black carbon concentration = 12 ng/m3 --- The reference beam showed lamp intensity fluctuations of 262 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.278 sen(zero) = 0.021 . ref(beam) = 4.354 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 1081 ng Mean aerosol black carbon concentration = 12 ng/m3 --- The reference beam showed lamp intensity fluctuations of 269 ppm. --- Disk space = 2.512333E+07 bytes free: One entry at every 5 minutes. There is space for 5341 hours ( 223 days) more data --- Disk space = 2.723942E+07 bytes free: One entry at every 5 minutes. There is space for 5791 hours ( 241 days) more data --- 04-sep-12 18:55:04 Tape feeder mechanism advancing for 1 spot(s). --- 04-sep-12 19:01:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 04-sep-12 19:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.269 ref(beam) = 2.098 . Lamp 2 (470 nm): sen(beam) = 2.043 ref(beam) = 2.346 . Lamp 3 (520 nm): sen(beam) = 1.367 ref(beam) = 2.380 . Lamp 4 (590 nm): sen(beam) = 1.783 ref(beam) = 1.160 . Lamp 5 (660 nm): sen(beam) = 2.258 ref(beam) = 2.255 . Lamp 6 (880 nm): sen(beam) = 2.198 ref(beam) = 3.318 . Lamp 7 (950 nm): sen(beam) = 1.698 ref(beam) = 4.364 ---