15-aug-18 05:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 36.41 hours . Total airflow this filter = 3.68 cubic meters . Mean BC concentration of all lamps = 224 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .901 sen(zero) = 0.021 . ref(beam) = 2.299 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 258 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 173 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .863 sen(zero) = 0.021 . ref(beam) = 2.468 ref(zero) = 0.021 . Optical attenuation of filter deposit = 56 . Total aerosol black carbon on filter = 907 ng Mean aerosol black carbon concentration = 246 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 111 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.168 sen(zero) = 0.021 . ref(beam) = 1.687 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 841 ng Mean aerosol black carbon concentration = 229 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 136 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .810 sen(zero) = 0.021 . ref(beam) = 2.207 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 819 ng Mean aerosol black carbon concentration = 222 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 327 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .320 sen(zero) = 0.021 . ref(beam) = .791 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 816 ng Mean aerosol black carbon concentration = 222 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 186 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .642 sen(zero) = 0.021 . ref(beam) = 1.091 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 746 ng Mean aerosol black carbon concentration = 202 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 226 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.101 sen(zero) = 0.021 . ref(beam) = 1.129 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 705 ng Mean aerosol black carbon concentration = 191 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 252 ppm. --- Disk space = 2.527437E+08 bytes free: One entry at every 10 minutes. There is space for 107459 hours ( 4477 days) more data --- 15-aug-18 05:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 15-aug-18 06:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.984 ref(beam) = 2.328 . Lamp 2 (470 nm): sen(beam) = 1.594 ref(beam) = 2.520 . Lamp 3 (520 nm): sen(beam) = 1.974 ref(beam) = 1.704 . Lamp 4 (590 nm): sen(beam) = 1.237 ref(beam) = 2.152 . Lamp 5 (660 nm): sen(beam) = .474 ref(beam) = .807 . Lamp 6 (880 nm): sen(beam) = .852 ref(beam) = 1.095 . Lamp 7 (950 nm): sen(beam) = 1.424 ref(beam) = 1.142 --- 15-aug-18 16:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 10.58 hours . Total airflow this filter = 1.1 cubic meters . Mean BC concentration of all lamps = 699 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .944 sen(zero) = 0.021 . ref(beam) = 2.356 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 869 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 203 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .934 sen(zero) = 0.021 . ref(beam) = 2.526 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 862 ng Mean aerosol black carbon concentration = 788 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 111 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.270 sen(zero) = 0.021 . ref(beam) = 1.705 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 782 ng Mean aerosol black carbon concentration = 714 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 153 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .896 sen(zero) = 0.021 . ref(beam) = 2.252 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 749 ng Mean aerosol black carbon concentration = 685 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 316 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .348 sen(zero) = 0.021 . ref(beam) = .812 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 737 ng Mean aerosol black carbon concentration = 673 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 204 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .695 sen(zero) = 0.021 . ref(beam) = 1.109 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 659 ng Mean aerosol black carbon concentration = 602 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 250 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.198 sen(zero) = 0.021 . ref(beam) = 1.160 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 616 ng Mean aerosol black carbon concentration = 563 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 265 ppm. --- Disk space = 2.526495E+08 bytes free: One entry at every 10 minutes. There is space for 107419 hours ( 4476 days) more data --- 15-aug-18 16:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 15-aug-18 17:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 2.023 ref(beam) = 2.278 . Lamp 2 (470 nm): sen(beam) = 1.626 ref(beam) = 2.465 . Lamp 3 (520 nm): sen(beam) = 2.007 ref(beam) = 1.676 . Lamp 4 (590 nm): sen(beam) = 1.268 ref(beam) = 2.144 . Lamp 5 (660 nm): sen(beam) = .487 ref(beam) = .792 . Lamp 6 (880 nm): sen(beam) = .874 ref(beam) = 1.084 . Lamp 7 (950 nm): sen(beam) = 1.467 ref(beam) = 1.121 ---