27-jan-12 18:49:08 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 18.83 hours . Total airflow this filter = 5.52 cubic meters . Mean BC concentration of all lamps = 52 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.024 sen(zero) = 0.021 . ref(beam) = 2.225 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 302 ng Mean aerosol black carbon concentration = 54 ng/m3 --- The reference beam showed lamp intensity fluctuations of 40 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.767 sen(zero) = 0.021 . ref(beam) = 2.451 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 289 ng Mean aerosol black carbon concentration = 52 ng/m3 --- The reference beam showed lamp intensity fluctuations of 35 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.192 sen(zero) = 0.021 . ref(beam) = 2.497 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 280 ng Mean aerosol black carbon concentration = 50 ng/m3 --- The reference beam showed lamp intensity fluctuations of 34 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.720 sen(zero) = 0.021 . ref(beam) = 1.309 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 281 ng Mean aerosol black carbon concentration = 51 ng/m3 --- The reference beam showed lamp intensity fluctuations of 94 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.211 sen(zero) = 0.021 . ref(beam) = 2.506 ref(zero) = 0.021 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 288 ng Mean aerosol black carbon concentration = 52 ng/m3 --- The reference beam showed lamp intensity fluctuations of 63 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.162 sen(zero) = 0.021 . ref(beam) = 3.666 ref(zero) = 0.021 . Optical attenuation of filter deposit = 9 . Total aerosol black carbon on filter = 286 ng Mean aerosol black carbon concentration = 52 ng/m3 --- The reference beam showed lamp intensity fluctuations of 71 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.713 sen(zero) = 0.021 . ref(beam) = 4.778 ref(zero) = 0.021 . Optical attenuation of filter deposit = 8 . Total aerosol black carbon on filter = 277 ng Mean aerosol black carbon concentration = 50 ng/m3 --- The reference beam showed lamp intensity fluctuations of 68 ppm. --- Disk space = 2.838374E+07 bytes free: One entry at every 5 minutes. There is space for 6034 hours ( 251 days) more data --- Disk space = 2.829158E+07 bytes free: One entry at every 5 minutes. There is space for 6014 hours ( 251 days) more data --- 27-jan-12 19:06:44 Tape feeder mechanism advancing for 1 spot(s). --- 27-jan-12 19:11:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 27-jan-12 19:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.293 ref(beam) = 2.219 . Lamp 2 (470 nm): sen(beam) = 2.102 ref(beam) = 2.446 . Lamp 3 (520 nm): sen(beam) = 1.387 ref(beam) = 2.487 . Lamp 4 (590 nm): sen(beam) = 1.940 ref(beam) = 1.288 . Lamp 5 (660 nm): sen(beam) = 2.487 ref(beam) = 2.494 . Lamp 6 (880 nm): sen(beam) = 2.350 ref(beam) = 3.633 . Lamp 7 (950 nm): sen(beam) = 1.838 ref(beam) = 4.732 ---