26-sep-19 00:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 6.25 hours . Total airflow this filter = .89 cubic meters . Mean BC concentration of all lamps = 826 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .883 sen(zero) = 0.021 . ref(beam) = 2.352 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 953 ng Mean aerosol black carbon concentration = 1077 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 335 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .875 sen(zero) = 0.021 . ref(beam) = 2.540 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 797 ng Mean aerosol black carbon concentration = 900 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 296 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.275 sen(zero) = 0.021 . ref(beam) = 1.763 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 720 ng Mean aerosol black carbon concentration = 813 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 350 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .934 sen(zero) = 0.021 . ref(beam) = 2.356 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 705 ng Mean aerosol black carbon concentration = 797 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 492 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .325 sen(zero) = 0.021 . ref(beam) = .801 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 698 ng Mean aerosol black carbon concentration = 789 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 304 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .685 sen(zero) = 0.021 . ref(beam) = 1.156 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 642 ng Mean aerosol black carbon concentration = 726 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 537 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.182 sen(zero) = 0.021 . ref(beam) = 1.229 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 604 ng Mean aerosol black carbon concentration = 682 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 508 ppm. --- Disk space = 2.536202E+08 bytes free: One entry at every 10 minutes. There is space for 107832 hours ( 4493 days) more data --- 26-sep-19 00:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 26-sep-19 00:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.872 ref(beam) = 2.325 . Lamp 2 (470 nm): sen(beam) = 1.440 ref(beam) = 2.556 . Lamp 3 (520 nm): sen(beam) = 1.927 ref(beam) = 1.738 . Lamp 4 (590 nm): sen(beam) = 1.281 ref(beam) = 2.243 . Lamp 5 (660 nm): sen(beam) = .439 ref(beam) = .808 . Lamp 6 (880 nm): sen(beam) = .841 ref(beam) = 1.130 . Lamp 7 (950 nm): sen(beam) = 1.411 ref(beam) = 1.211 --- 26-sep-19 10:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 9.25 hours . Total airflow this filter = 1.33 cubic meters . Mean BC concentration of all lamps = 564 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .858 sen(zero) = 0.021 . ref(beam) = 2.334 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 718 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 231 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .853 sen(zero) = 0.021 . ref(beam) = 2.555 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 812 ng Mean aerosol black carbon concentration = 614 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 140 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.252 sen(zero) = 0.021 . ref(beam) = 1.736 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 735 ng Mean aerosol black carbon concentration = 556 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 178 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .916 sen(zero) = 0.021 . ref(beam) = 2.315 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 724 ng Mean aerosol black carbon concentration = 548 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 513 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .321 sen(zero) = 0.021 . ref(beam) = .810 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 720 ng Mean aerosol black carbon concentration = 545 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 213 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .678 sen(zero) = 0.021 . ref(beam) = 1.138 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 658 ng Mean aerosol black carbon concentration = 498 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 299 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.171 sen(zero) = 0.021 . ref(beam) = 1.223 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 622 ng Mean aerosol black carbon concentration = 470 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 285 ppm. --- Disk space = 2.535997E+08 bytes free: One entry at every 10 minutes. There is space for 107823 hours ( 4493 days) more data --- 26-sep-19 10:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 26-sep-19 10:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.927 ref(beam) = 2.350 . Lamp 2 (470 nm): sen(beam) = 1.476 ref(beam) = 2.570 . Lamp 3 (520 nm): sen(beam) = 1.955 ref(beam) = 1.772 . Lamp 4 (590 nm): sen(beam) = 1.297 ref(beam) = 2.275 . Lamp 5 (660 nm): sen(beam) = .447 ref(beam) = .811 . Lamp 6 (880 nm): sen(beam) = .848 ref(beam) = 1.148 . Lamp 7 (950 nm): sen(beam) = 1.431 ref(beam) = 1.225 ---