05-jun-12 17:58:07 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 91.58 hours . Total airflow this filter = 26.85 cubic meters . Mean BC concentration of all lamps = 2 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.234 sen(zero) = 0.021 . ref(beam) = 2.168 ref(zero) = 0.021 . Optical attenuation of filter deposit = 6 . Total aerosol black carbon on filter = 79 ng Mean aerosol black carbon concentration = 2 ng/m3 --- The reference beam showed lamp intensity fluctuations of 162 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 2.027 sen(zero) = 0.021 . ref(beam) = 2.379 ref(zero) = 0.021 . Optical attenuation of filter deposit = 3 . Total aerosol black carbon on filter = 60 ng Mean aerosol black carbon concentration = 2 ng/m3 --- The reference beam showed lamp intensity fluctuations of 104 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.345 sen(zero) = 0.021 . ref(beam) = 2.419 ref(zero) = 0.021 . Optical attenuation of filter deposit = 3 . Total aerosol black carbon on filter = 62 ng Mean aerosol black carbon concentration = 2 ng/m3 --- The reference beam showed lamp intensity fluctuations of 55 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.794 sen(zero) = 0.021 . ref(beam) = 1.195 ref(zero) = 0.021 . Optical attenuation of filter deposit = 3 . Total aerosol black carbon on filter = 61 ng Mean aerosol black carbon concentration = 2 ng/m3 --- The reference beam showed lamp intensity fluctuations of 584 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.333 sen(zero) = 0.021 . ref(beam) = 2.338 ref(zero) = 0.021 . Optical attenuation of filter deposit = 2 . Total aerosol black carbon on filter = 53 ng Mean aerosol black carbon concentration = 1 ng/m3 --- The reference beam showed lamp intensity fluctuations of 324 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.211 sen(zero) = 0.021 . ref(beam) = 3.395 ref(zero) = 0.021 . Optical attenuation of filter deposit = 1 . Total aerosol black carbon on filter = 59 ng Mean aerosol black carbon concentration = 2 ng/m3 --- The reference beam showed lamp intensity fluctuations of 349 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.733 sen(zero) = 0.021 . ref(beam) = 4.439 ref(zero) = 0.021 . Optical attenuation of filter deposit = 1 . Total aerosol black carbon on filter = 57 ng Mean aerosol black carbon concentration = 2 ng/m3 --- The reference beam showed lamp intensity fluctuations of 355 ppm. --- Disk space = 2.783795E+07 bytes free: One entry at every 5 minutes. There is space for 5918 hours ( 247 days) more data --- Disk space = 2.740429E+07 bytes free: One entry at every 5 minutes. There is space for 5826 hours ( 243 days) more data --- 05-jun-12 18:15:42 Tape feeder mechanism advancing for 1 spot(s). --- 05-jun-12 18:21:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 05-jun-12 18:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.310 ref(beam) = 2.159 . Lamp 2 (470 nm): sen(beam) = 2.115 ref(beam) = 2.384 . Lamp 3 (520 nm): sen(beam) = 1.397 ref(beam) = 2.433 . Lamp 4 (590 nm): sen(beam) = 1.823 ref(beam) = 1.190 . Lamp 5 (660 nm): sen(beam) = 2.401 ref(beam) = 2.342 . Lamp 6 (880 nm): sen(beam) = 2.256 ref(beam) = 3.410 . Lamp 7 (950 nm): sen(beam) = 1.765 ref(beam) = 4.438 ---