23-apr-12 17:14:11 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 24.16 hours . Total airflow this filter = 7.08 cubic meters . Mean BC concentration of all lamps = 37 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.110 sen(zero) = 0.021 . ref(beam) = 2.206 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 254 ng Mean aerosol black carbon concentration = 36 ng/m3 --- The reference beam showed lamp intensity fluctuations of 32 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.852 sen(zero) = 0.021 . ref(beam) = 2.432 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 264 ng Mean aerosol black carbon concentration = 37 ng/m3 --- The reference beam showed lamp intensity fluctuations of 25 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.236 sen(zero) = 0.021 . ref(beam) = 2.480 ref(zero) = 0.021 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 259 ng Mean aerosol black carbon concentration = 36 ng/m3 --- The reference beam showed lamp intensity fluctuations of 25 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.691 sen(zero) = 0.021 . ref(beam) = 1.246 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 265 ng Mean aerosol black carbon concentration = 37 ng/m3 --- The reference beam showed lamp intensity fluctuations of 66 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.223 sen(zero) = 0.021 . ref(beam) = 2.419 ref(zero) = 0.021 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 272 ng Mean aerosol black carbon concentration = 38 ng/m3 --- The reference beam showed lamp intensity fluctuations of 40 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.154 sen(zero) = 0.021 . ref(beam) = 3.539 ref(zero) = 0.021 . Optical attenuation of filter deposit = 9 . Total aerosol black carbon on filter = 273 ng Mean aerosol black carbon concentration = 38 ng/m3 --- The reference beam showed lamp intensity fluctuations of 43 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.708 sen(zero) = 0.021 . ref(beam) = 4.589 ref(zero) = 0.021 . Optical attenuation of filter deposit = 8 . Total aerosol black carbon on filter = 266 ng Mean aerosol black carbon concentration = 37 ng/m3 --- The reference beam showed lamp intensity fluctuations of 44 ppm. --- Disk space = 2.519706E+07 bytes free: One entry at every 5 minutes. There is space for 5357 hours ( 223 days) more data --- Disk space = 2.507981E+07 bytes free: One entry at every 5 minutes. There is space for 5332 hours ( 222 days) more data --- 23-apr-12 17:59:46 Tape feeder mechanism advancing for 1 spot(s). --- 23-apr-12 18:06:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 23-apr-12 18:14:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.303 ref(beam) = 2.196 . Lamp 2 (470 nm): sen(beam) = 2.108 ref(beam) = 2.413 . Lamp 3 (520 nm): sen(beam) = 1.400 ref(beam) = 2.492 . Lamp 4 (590 nm): sen(beam) = 1.857 ref(beam) = 1.232 . Lamp 5 (660 nm): sen(beam) = 2.431 ref(beam) = 2.379 . Lamp 6 (880 nm): sen(beam) = 2.297 ref(beam) = 3.545 . Lamp 7 (950 nm): sen(beam) = 1.788 ref(beam) = 4.511 ---