22-feb-13 20:31:29 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 24.66 hours . Total airflow this filter = 7.23 cubic meters . Mean BC concentration of all lamps = 95 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .794 sen(zero) = 0.021 . ref(beam) = 2.162 ref(zero) = 0.021 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 657 ng Mean aerosol black carbon concentration = 91 ng/m3 --- The reference beam showed lamp intensity fluctuations of 51 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.395 sen(zero) = 0.021 . ref(beam) = 2.369 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 679 ng Mean aerosol black carbon concentration = 94 ng/m3 --- The reference beam showed lamp intensity fluctuations of 33 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .954 sen(zero) = 0.021 . ref(beam) = 2.416 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 669 ng Mean aerosol black carbon concentration = 92 ng/m3 --- The reference beam showed lamp intensity fluctuations of 36 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.390 sen(zero) = 0.021 . ref(beam) = 1.265 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 685 ng Mean aerosol black carbon concentration = 95 ng/m3 --- The reference beam showed lamp intensity fluctuations of 128 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.737 sen(zero) = 0.021 . ref(beam) = 2.293 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 709 ng Mean aerosol black carbon concentration = 98 ng/m3 --- The reference beam showed lamp intensity fluctuations of 75 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.837 sen(zero) = 0.021 . ref(beam) = 3.544 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 717 ng Mean aerosol black carbon concentration = 99 ng/m3 --- The reference beam showed lamp intensity fluctuations of 81 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.467 sen(zero) = 0.021 . ref(beam) = 4.557 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 701 ng Mean aerosol black carbon concentration = 97 ng/m3 --- The reference beam showed lamp intensity fluctuations of 79 ppm. --- Disk space = 2.562253E+07 bytes free: One entry at every 5 minutes. There is space for 5447 hours ( 227 days) more data --- Disk space = 2.550272E+07 bytes free: One entry at every 5 minutes. There is space for 5421 hours ( 226 days) more data --- 22-feb-13 20:32:42 Tape feeder mechanism advancing for 1 spot(s). --- 22-feb-13 20:36:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 22-feb-13 20:44:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.296 ref(beam) = 2.166 . Lamp 2 (470 nm): sen(beam) = 2.096 ref(beam) = 2.386 . Lamp 3 (520 nm): sen(beam) = 1.375 ref(beam) = 2.433 . Lamp 4 (590 nm): sen(beam) = 1.925 ref(beam) = 1.260 . Lamp 5 (660 nm): sen(beam) = 2.347 ref(beam) = 2.305 . Lamp 6 (880 nm): sen(beam) = 2.315 ref(beam) = 3.556 . Lamp 7 (950 nm): sen(beam) = 1.798 ref(beam) = 4.565 ---