03-dec-16 07:10:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 26.86 hours . Total airflow this filter = 4.65 cubic meters . Mean BC concentration of all lamps = 174 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .685 sen(zero) = 0.021 . ref(beam) = 2.162 ref(zero) = 0.024 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 951 ng Mean aerosol black carbon concentration = 204 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 567 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .696 sen(zero) = 0.021 . ref(beam) = 2.343 ref(zero) = 0.024 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 860 ng Mean aerosol black carbon concentration = 185 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 626 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .933 sen(zero) = 0.021 . ref(beam) = 1.693 ref(zero) = 0.024 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 793 ng Mean aerosol black carbon concentration = 170 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 578 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .660 sen(zero) = 0.021 . ref(beam) = 2.164 ref(zero) = 0.024 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 789 ng Mean aerosol black carbon concentration = 169 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 567 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .311 sen(zero) = 0.021 . ref(beam) = .914 ref(zero) = 0.024 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 796 ng Mean aerosol black carbon concentration = 171 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 701 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .513 sen(zero) = 0.021 . ref(beam) = 1.111 ref(zero) = 0.024 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 760 ng Mean aerosol black carbon concentration = 163 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 687 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .871 sen(zero) = 0.021 . ref(beam) = 1.118 ref(zero) = 0.024 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 727 ng Mean aerosol black carbon concentration = 156 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 757 ppm. --- Disk space = 4.901356E+08 bytes free: One entry at every 2 minutes. There is space for 41678 hours ( 1737 days) more data --- 03-dec-16 07:10:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 03-dec-16 07:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.024 . Lamp 1 (370 nm): sen(beam) = 1.407 ref(beam) = 2.249 . Lamp 2 (470 nm): sen(beam) = 1.168 ref(beam) = 2.513 . Lamp 3 (520 nm): sen(beam) = 1.463 ref(beam) = 1.781 . Lamp 4 (590 nm): sen(beam) = .956 ref(beam) = 2.207 . Lamp 5 (660 nm): sen(beam) = .437 ref(beam) = .989 . Lamp 6 (880 nm): sen(beam) = .657 ref(beam) = 1.162 . Lamp 7 (950 nm): sen(beam) = 1.082 ref(beam) = 1.190 ---