23-aug-17 03:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 23.08 hours . Total airflow this filter = 2.62 cubic meters . Mean BC concentration of all lamps = 315 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .774 sen(zero) = 0.021 . ref(beam) = 2.220 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 362 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 244 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .760 sen(zero) = 0.021 . ref(beam) = 2.418 ref(zero) = 0.021 . Optical attenuation of filter deposit = 55 . Total aerosol black carbon on filter = 892 ng Mean aerosol black carbon concentration = 340 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 148 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.021 sen(zero) = 0.021 . ref(beam) = 1.663 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 827 ng Mean aerosol black carbon concentration = 315 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 169 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .735 sen(zero) = 0.021 . ref(beam) = 2.104 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 812 ng Mean aerosol black carbon concentration = 310 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 577 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .312 sen(zero) = 0.021 . ref(beam) = .848 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 816 ng Mean aerosol black carbon concentration = 311 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 305 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .549 sen(zero) = 0.021 . ref(beam) = 1.066 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 766 ng Mean aerosol black carbon concentration = 292 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 375 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .933 sen(zero) = 0.021 . ref(beam) = 1.104 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 728 ng Mean aerosol black carbon concentration = 278 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 409 ppm. --- Disk space = 2.536899E+08 bytes free: One entry at every 10 minutes. There is space for 107861 hours ( 4494 days) more data --- 23-aug-17 03:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 23-aug-17 03:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.645 ref(beam) = 2.146 . Lamp 2 (470 nm): sen(beam) = 1.331 ref(beam) = 2.357 . Lamp 3 (520 nm): sen(beam) = 1.643 ref(beam) = 1.634 . Lamp 4 (590 nm): sen(beam) = 1.061 ref(beam) = 2.015 . Lamp 5 (660 nm): sen(beam) = .440 ref(beam) = .823 . Lamp 6 (880 nm): sen(beam) = .707 ref(beam) = 1.038 . Lamp 7 (950 nm): sen(beam) = 1.167 ref(beam) = 1.063 --- 23-aug-17 13:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 9.91 hours . Total airflow this filter = 1.13 cubic meters . Mean BC concentration of all lamps = 793 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .775 sen(zero) = 0.021 . ref(beam) = 2.167 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 968 ng Mean aerosol black carbon concentration = 862 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 197 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .742 sen(zero) = 0.021 . ref(beam) = 2.359 ref(zero) = 0.021 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 948 ng Mean aerosol black carbon concentration = 843 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 123 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .993 sen(zero) = 0.021 . ref(beam) = 1.632 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 897 ng Mean aerosol black carbon concentration = 798 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 134 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .707 sen(zero) = 0.021 . ref(beam) = 2.073 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 892 ng Mean aerosol black carbon concentration = 794 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 450 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .302 sen(zero) = 0.021 . ref(beam) = .823 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 893 ng Mean aerosol black carbon concentration = 795 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 256 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .540 sen(zero) = 0.021 . ref(beam) = 1.042 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 841 ng Mean aerosol black carbon concentration = 749 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 377 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .920 sen(zero) = 0.021 . ref(beam) = 1.068 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 796 ng Mean aerosol black carbon concentration = 708 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 421 ppm. --- Disk space = 2.536325E+08 bytes free: One entry at every 10 minutes. There is space for 107837 hours ( 4493 days) more data --- 23-aug-17 13:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 23-aug-17 13:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.581 ref(beam) = 2.171 . Lamp 2 (470 nm): sen(beam) = 1.297 ref(beam) = 2.399 . Lamp 3 (520 nm): sen(beam) = 1.606 ref(beam) = 1.650 . Lamp 4 (590 nm): sen(beam) = 1.036 ref(beam) = 2.044 . Lamp 5 (660 nm): sen(beam) = .430 ref(beam) = .840 . Lamp 6 (880 nm): sen(beam) = .694 ref(beam) = 1.049 . Lamp 7 (950 nm): sen(beam) = 1.142 ref(beam) = 1.076 --- 23-aug-17 20:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 6.91 hours . Total airflow this filter = .79 cubic meters . Mean BC concentration of all lamps = 1182 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .735 sen(zero) = 0.021 . ref(beam) = 2.183 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 951 ng Mean aerosol black carbon concentration = 1210 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 835 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .696 sen(zero) = 0.021 . ref(beam) = 2.392 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 974 ng Mean aerosol black carbon concentration = 1240 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1026 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .932 sen(zero) = 0.021 . ref(beam) = 1.640 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 934 ng Mean aerosol black carbon concentration = 1190 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 969 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .665 sen(zero) = 0.021 . ref(beam) = 2.093 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 934 ng Mean aerosol black carbon concentration = 1189 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 886 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .284 sen(zero) = 0.021 . ref(beam) = .836 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 946 ng Mean aerosol black carbon concentration = 1205 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1062 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .514 sen(zero) = 0.021 . ref(beam) = 1.049 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 902 ng Mean aerosol black carbon concentration = 1149 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1204 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .877 sen(zero) = 0.021 . ref(beam) = 1.079 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 857 ng Mean aerosol black carbon concentration = 1092 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1222 ppm. --- Disk space = 2.536038E+08 bytes free: One entry at every 10 minutes. There is space for 107825 hours ( 4493 days) more data --- 23-aug-17 20:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 23-aug-17 21:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.614 ref(beam) = 2.172 . Lamp 2 (470 nm): sen(beam) = 1.326 ref(beam) = 2.375 . Lamp 3 (520 nm): sen(beam) = 1.634 ref(beam) = 1.620 . Lamp 4 (590 nm): sen(beam) = 1.048 ref(beam) = 1.998 . Lamp 5 (660 nm): sen(beam) = .438 ref(beam) = .828 . Lamp 6 (880 nm): sen(beam) = .701 ref(beam) = 1.025 . Lamp 7 (950 nm): sen(beam) = 1.160 ref(beam) = 1.056 ---