13-nov-10 07:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 45.58 hours . Total airflow this filter = 13.45 cubic meters . Mean BC concentration of all lamps = 71 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .484 sen(zero) = 0.021 . ref(beam) = 1.407 ref(zero) = 0.020 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 951 ng Mean aerosol black carbon concentration = 70 ng/m3 --- The reference beam showed lamp intensity fluctuations of 152 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .931 sen(zero) = 0.021 . ref(beam) = 1.608 ref(zero) = 0.020 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 947 ng Mean aerosol black carbon concentration = 70 ng/m3 --- The reference beam showed lamp intensity fluctuations of 41 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .964 sen(zero) = 0.021 . ref(beam) = 2.021 ref(zero) = 0.020 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 927 ng Mean aerosol black carbon concentration = 69 ng/m3 --- The reference beam showed lamp intensity fluctuations of 37 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .978 sen(zero) = 0.021 . ref(beam) = 2.891 ref(zero) = 0.020 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 948 ng Mean aerosol black carbon concentration = 70 ng/m3 --- The reference beam showed lamp intensity fluctuations of 133 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.387 sen(zero) = 0.021 . ref(beam) = 2.333 ref(zero) = 0.020 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 959 ng Mean aerosol black carbon concentration = 71 ng/m3 --- The reference beam showed lamp intensity fluctuations of 70 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.313 sen(zero) = 0.021 . ref(beam) = 2.371 ref(zero) = 0.020 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 983 ng Mean aerosol black carbon concentration = 73 ng/m3 --- The reference beam showed lamp intensity fluctuations of 99 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.211 sen(zero) = 0.021 . ref(beam) = 2.307 ref(zero) = 0.020 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 962 ng Mean aerosol black carbon concentration = 71 ng/m3 --- The reference beam showed lamp intensity fluctuations of 99 ppm. --- Disk space = 2.543616E+08 bytes free: One entry at every 5 minutes. There is space for 54073 hours ( 2253 days) more data --- 13-nov-10 07:15:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 774 --- 13-nov-10 07:24:56 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.020 . Lamp 1 (370 nm): sen(beam) = .912 ref(beam) = 1.280 . Lamp 2 (470 nm): sen(beam) = 1.634 ref(beam) = 1.571 . Lamp 3 (520 nm): sen(beam) = 1.596 ref(beam) = 1.991 . Lamp 4 (590 nm): sen(beam) = 1.507 ref(beam) = 2.793 . Lamp 5 (660 nm): sen(beam) = 2.097 ref(beam) = 2.292 . Lamp 6 (880 nm): sen(beam) = 1.806 ref(beam) = 2.341 . Lamp 7 (950 nm): sen(beam) = 1.620 ref(beam) = 2.277 ---