17-aug-17 08:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 11.08 hours . Total airflow this filter = 1.23 cubic meters . Mean BC concentration of all lamps = 722 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .704 sen(zero) = 0.021 . ref(beam) = 2.147 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 954 ng Mean aerosol black carbon concentration = 775 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 116 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .699 sen(zero) = 0.021 . ref(beam) = 2.353 ref(zero) = 0.021 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 941 ng Mean aerosol black carbon concentration = 765 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 75 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .940 sen(zero) = 0.021 . ref(beam) = 1.614 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 894 ng Mean aerosol black carbon concentration = 726 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 113 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .658 sen(zero) = 0.021 . ref(beam) = 2.027 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 890 ng Mean aerosol black carbon concentration = 724 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 177 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .287 sen(zero) = 0.021 . ref(beam) = .820 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 895 ng Mean aerosol black carbon concentration = 727 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 116 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .512 sen(zero) = 0.021 . ref(beam) = 1.025 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 846 ng Mean aerosol black carbon concentration = 688 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 158 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .876 sen(zero) = 0.021 . ref(beam) = 1.051 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 801 ng Mean aerosol black carbon concentration = 651 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 154 ppm. --- Disk space = 2.540462E+08 bytes free: One entry at every 10 minutes. There is space for 108013 hours ( 4501 days) more data --- 17-aug-17 08:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 17-aug-17 08:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.569 ref(beam) = 2.111 . Lamp 2 (470 nm): sen(beam) = 1.287 ref(beam) = 2.373 . Lamp 3 (520 nm): sen(beam) = 1.587 ref(beam) = 1.630 . Lamp 4 (590 nm): sen(beam) = .995 ref(beam) = 1.972 . Lamp 5 (660 nm): sen(beam) = .421 ref(beam) = .829 . Lamp 6 (880 nm): sen(beam) = .676 ref(beam) = 1.029 . Lamp 7 (950 nm): sen(beam) = 1.113 ref(beam) = 1.059 --- 17-aug-17 15:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 6.58 hours . Total airflow this filter = .74 cubic meters . Mean BC concentration of all lamps = 1269 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .737 sen(zero) = 0.021 . ref(beam) = 2.142 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 954 ng Mean aerosol black carbon concentration = 1299 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 418 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .694 sen(zero) = 0.021 . ref(beam) = 2.379 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 982 ng Mean aerosol black carbon concentration = 1338 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 247 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .925 sen(zero) = 0.021 . ref(beam) = 1.631 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 942 ng Mean aerosol black carbon concentration = 1283 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 314 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .652 sen(zero) = 0.021 . ref(beam) = 2.065 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 943 ng Mean aerosol black carbon concentration = 1284 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 500 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .282 sen(zero) = 0.021 . ref(beam) = .834 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 1293 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 434 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .509 sen(zero) = 0.021 . ref(beam) = 1.042 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 899 ng Mean aerosol black carbon concentration = 1224 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 474 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .868 sen(zero) = 0.021 . ref(beam) = 1.076 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 855 ng Mean aerosol black carbon concentration = 1164 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 515 ppm. --- Disk space = 2.540134E+08 bytes free: One entry at every 10 minutes. There is space for 107999 hours ( 4500 days) more data --- 17-aug-17 15:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 17-aug-17 15:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.564 ref(beam) = 2.098 . Lamp 2 (470 nm): sen(beam) = 1.296 ref(beam) = 2.350 . Lamp 3 (520 nm): sen(beam) = 1.606 ref(beam) = 1.609 . Lamp 4 (590 nm): sen(beam) = 1.023 ref(beam) = 1.971 . Lamp 5 (660 nm): sen(beam) = .431 ref(beam) = .825 . Lamp 6 (880 nm): sen(beam) = .691 ref(beam) = 1.022 . Lamp 7 (950 nm): sen(beam) = 1.139 ref(beam) = 1.049 --- 17-aug-17 23:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 7.25 hours . Total airflow this filter = .82 cubic meters . Mean BC concentration of all lamps = 1171 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .722 sen(zero) = 0.021 . ref(beam) = 2.114 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 957 ng Mean aerosol black carbon concentration = 1180 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 354 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .688 sen(zero) = 0.021 . ref(beam) = 2.351 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 992 ng Mean aerosol black carbon concentration = 1223 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 274 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .921 sen(zero) = 0.021 . ref(beam) = 1.605 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 956 ng Mean aerosol black carbon concentration = 1179 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 344 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .644 sen(zero) = 0.021 . ref(beam) = 2.013 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 961 ng Mean aerosol black carbon concentration = 1184 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 608 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .281 sen(zero) = 0.021 . ref(beam) = .823 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 973 ng Mean aerosol black carbon concentration = 1199 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 368 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .507 sen(zero) = 0.021 . ref(beam) = 1.022 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 930 ng Mean aerosol black carbon concentration = 1146 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 507 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .865 sen(zero) = 0.021 . ref(beam) = 1.050 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 882 ng Mean aerosol black carbon concentration = 1088 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 479 ppm. --- Disk space = 2.53993E+08 bytes free: One entry at every 10 minutes. There is space for 107990 hours ( 4500 days) more data --- 17-aug-17 23:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 17-aug-17 23:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.559 ref(beam) = 2.105 . Lamp 2 (470 nm): sen(beam) = 1.291 ref(beam) = 2.364 . Lamp 3 (520 nm): sen(beam) = 1.591 ref(beam) = 1.606 . Lamp 4 (590 nm): sen(beam) = .994 ref(beam) = 1.949 . Lamp 5 (660 nm): sen(beam) = .424 ref(beam) = .823 . Lamp 6 (880 nm): sen(beam) = .676 ref(beam) = 1.012 . Lamp 7 (950 nm): sen(beam) = 1.117 ref(beam) = 1.041 ---