17-jun-18 02:45:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 35.58 hours . Total airflow this filter = 3.9 cubic meters . Mean BC concentration of all lamps = 191 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.006 sen(zero) = 0.021 . ref(beam) = 2.407 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 952 ng Mean aerosol black carbon concentration = 244 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 118 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.004 sen(zero) = 0.021 . ref(beam) = 2.544 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 841 ng Mean aerosol black carbon concentration = 215 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 60 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.363 sen(zero) = 0.021 . ref(beam) = 1.738 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 750 ng Mean aerosol black carbon concentration = 192 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 60 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.000 sen(zero) = 0.021 . ref(beam) = 2.401 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 721 ng Mean aerosol black carbon concentration = 185 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 375 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .382 sen(zero) = 0.021 . ref(beam) = .835 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 706 ng Mean aerosol black carbon concentration = 181 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 142 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .753 sen(zero) = 0.021 . ref(beam) = 1.150 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 635 ng Mean aerosol black carbon concentration = 163 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 193 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.304 sen(zero) = 0.021 . ref(beam) = 1.201 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 602 ng Mean aerosol black carbon concentration = 154 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 222 ppm. --- Disk space = 2.537144E+08 bytes free: One entry at every 10 minutes. There is space for 107872 hours ( 4495 days) more data --- 17-jun-18 02:45:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 17-jun-18 03:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 2.045 ref(beam) = 2.456 . Lamp 2 (470 nm): sen(beam) = 1.634 ref(beam) = 2.602 . Lamp 3 (520 nm): sen(beam) = 1.990 ref(beam) = 1.803 . Lamp 4 (590 nm): sen(beam) = 1.317 ref(beam) = 2.417 . Lamp 5 (660 nm): sen(beam) = .499 ref(beam) = .850 . Lamp 6 (880 nm): sen(beam) = .886 ref(beam) = 1.186 . Lamp 7 (950 nm): sen(beam) = 1.494 ref(beam) = 1.219 ---