19-aug-17 04:15:00 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 = 845 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .740 sen(zero) = 0.021 . ref(beam) = 2.144 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 847 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 147 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .694 sen(zero) = 0.021 . ref(beam) = 2.367 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 992 ng Mean aerosol black carbon concentration = 884 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 109 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .925 sen(zero) = 0.021 . ref(beam) = 1.617 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 956 ng Mean aerosol black carbon concentration = 853 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 130 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .647 sen(zero) = 0.021 . ref(beam) = 2.036 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 960 ng Mean aerosol black carbon concentration = 856 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 297 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .282 sen(zero) = 0.021 . ref(beam) = .827 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 970 ng Mean aerosol black carbon concentration = 865 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 159 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .507 sen(zero) = 0.021 . ref(beam) = 1.030 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 926 ng Mean aerosol black carbon concentration = 826 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 203 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .865 sen(zero) = 0.021 . ref(beam) = 1.062 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 880 ng Mean aerosol black carbon concentration = 785 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 241 ppm. --- Disk space = 2.539151E+08 bytes free: One entry at every 10 minutes. There is space for 107957 hours ( 4498 days) more data --- 19-aug-17 04:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 19-aug-17 04:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.580 ref(beam) = 2.153 . Lamp 2 (470 nm): sen(beam) = 1.297 ref(beam) = 2.378 . Lamp 3 (520 nm): sen(beam) = 1.605 ref(beam) = 1.628 . Lamp 4 (590 nm): sen(beam) = 1.011 ref(beam) = 1.977 . Lamp 5 (660 nm): sen(beam) = .427 ref(beam) = .828 . Lamp 6 (880 nm): sen(beam) = .682 ref(beam) = 1.028 . Lamp 7 (950 nm): sen(beam) = 1.125 ref(beam) = 1.057 --- 19-aug-17 12:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 7.58 hours . Total airflow this filter = .86 cubic meters . Mean BC concentration of all lamps = 1135 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .739 sen(zero) = 0.021 . ref(beam) = 2.179 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 965 ng Mean aerosol black carbon concentration = 1127 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 213 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .690 sen(zero) = 0.021 . ref(beam) = 2.380 ref(zero) = 0.021 . Optical attenuation of filter deposit = 62 . Total aerosol black carbon on filter = 1007 ng Mean aerosol black carbon concentration = 1177 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 112 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .921 sen(zero) = 0.021 . ref(beam) = 1.626 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 974 ng Mean aerosol black carbon concentration = 1139 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 158 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .647 sen(zero) = 0.021 . ref(beam) = 2.060 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 985 ng Mean aerosol black carbon concentration = 1151 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 411 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .279 sen(zero) = 0.021 . ref(beam) = .831 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 997 ng Mean aerosol black carbon concentration = 1165 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 262 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .503 sen(zero) = 0.021 . ref(beam) = 1.037 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 958 ng Mean aerosol black carbon concentration = 1120 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 302 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .860 sen(zero) = 0.021 . ref(beam) = 1.071 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 914 ng Mean aerosol black carbon concentration = 1068 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 313 ppm. --- Disk space = 2.538865E+08 bytes free: One entry at every 10 minutes. There is space for 107945 hours ( 4498 days) more data --- 19-aug-17 12:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 19-aug-17 12:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.608 ref(beam) = 2.139 . Lamp 2 (470 nm): sen(beam) = 1.309 ref(beam) = 2.369 . Lamp 3 (520 nm): sen(beam) = 1.614 ref(beam) = 1.638 . Lamp 4 (590 nm): sen(beam) = 1.026 ref(beam) = 2.004 . Lamp 5 (660 nm): sen(beam) = .431 ref(beam) = .826 . Lamp 6 (880 nm): sen(beam) = .690 ref(beam) = 1.038 . Lamp 7 (950 nm): sen(beam) = 1.140 ref(beam) = 1.062 --- 19-aug-17 23:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 10.41 hours . Total airflow this filter = 1.18 cubic meters . Mean BC concentration of all lamps = 839 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .753 sen(zero) = 0.021 . ref(beam) = 2.168 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 959 ng Mean aerosol black carbon concentration = 816 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 636 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .692 sen(zero) = 0.021 . ref(beam) = 2.375 ref(zero) = 0.021 . Optical attenuation of filter deposit = 63 . Total aerosol black carbon on filter = 1015 ng Mean aerosol black carbon concentration = 864 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 771 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .918 sen(zero) = 0.021 . ref(beam) = 1.639 ref(zero) = 0.021 . Optical attenuation of filter deposit = 55 . Total aerosol black carbon on filter = 987 ng Mean aerosol black carbon concentration = 840 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 758 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .650 sen(zero) = 0.021 . ref(beam) = 2.087 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 1000 ng Mean aerosol black carbon concentration = 851 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 778 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .280 sen(zero) = 0.021 . ref(beam) = .830 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 1016 ng Mean aerosol black carbon concentration = 865 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 868 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .504 sen(zero) = 0.021 . ref(beam) = 1.049 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 985 ng Mean aerosol black carbon concentration = 839 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 979 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .862 sen(zero) = 0.021 . ref(beam) = 1.076 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 941 ng Mean aerosol black carbon concentration = 801 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1037 ppm. --- Disk space = 2.53866E+08 bytes free: One entry at every 10 minutes. There is space for 107936 hours ( 4497 days) more data --- 19-aug-17 23:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 19-aug-17 23:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.609 ref(beam) = 2.128 . Lamp 2 (470 nm): sen(beam) = 1.321 ref(beam) = 2.378 . Lamp 3 (520 nm): sen(beam) = 1.627 ref(beam) = 1.628 . Lamp 4 (590 nm): sen(beam) = 1.037 ref(beam) = 2.006 . Lamp 5 (660 nm): sen(beam) = .434 ref(beam) = .831 . Lamp 6 (880 nm): sen(beam) = .696 ref(beam) = 1.035 . Lamp 7 (950 nm): sen(beam) = 1.150 ref(beam) = 1.065 ---