07-aug-17 08:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 12.91 hours . Total airflow this filter = 1.42 cubic meters . Mean BC concentration of all lamps = 631 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .725 sen(zero) = 0.021 . ref(beam) = 2.236 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 956 ng Mean aerosol black carbon concentration = 674 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 125 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .688 sen(zero) = 0.021 . ref(beam) = 2.428 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 953 ng Mean aerosol black carbon concentration = 672 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 55 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .924 sen(zero) = 0.021 . ref(beam) = 1.679 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 905 ng Mean aerosol black carbon concentration = 638 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 61 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .672 sen(zero) = 0.021 . ref(beam) = 2.195 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 898 ng Mean aerosol black carbon concentration = 633 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 376 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .284 sen(zero) = 0.021 . ref(beam) = .857 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 898 ng Mean aerosol black carbon concentration = 633 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 152 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .507 sen(zero) = 0.021 . ref(beam) = 1.084 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 846 ng Mean aerosol black carbon concentration = 597 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 202 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .866 sen(zero) = 0.021 . ref(beam) = 1.114 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 803 ng Mean aerosol black carbon concentration = 566 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 232 ppm. --- Disk space = 2.534728E+08 bytes free: One entry at every 10 minutes. There is space for 107769 hours ( 4490 days) more data --- 07-aug-17 08:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 07-aug-17 08:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.545 ref(beam) = 2.195 . Lamp 2 (470 nm): sen(beam) = 1.258 ref(beam) = 2.447 . Lamp 3 (520 nm): sen(beam) = 1.557 ref(beam) = 1.693 . Lamp 4 (590 nm): sen(beam) = 1.022 ref(beam) = 2.115 . Lamp 5 (660 nm): sen(beam) = .422 ref(beam) = .864 . Lamp 6 (880 nm): sen(beam) = .674 ref(beam) = 1.086 . Lamp 7 (950 nm): sen(beam) = 1.116 ref(beam) = 1.118 --- 07-aug-17 21:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 12.74 hours . Total airflow this filter = 1.41 cubic meters . Mean BC concentration of all lamps = 628 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .718 sen(zero) = 0.021 . ref(beam) = 2.192 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 951 ng Mean aerosol black carbon concentration = 676 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 368 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .688 sen(zero) = 0.021 . ref(beam) = 2.436 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 676 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 347 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .927 sen(zero) = 0.021 . ref(beam) = 1.681 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 894 ng Mean aerosol black carbon concentration = 636 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 401 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .658 sen(zero) = 0.021 . ref(beam) = 2.106 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 881 ng Mean aerosol black carbon concentration = 626 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 601 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .285 sen(zero) = 0.021 . ref(beam) = .854 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 888 ng Mean aerosol black carbon concentration = 631 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 451 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .507 sen(zero) = 0.021 . ref(beam) = 1.074 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 830 ng Mean aerosol black carbon concentration = 590 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 500 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .864 sen(zero) = 0.021 . ref(beam) = 1.105 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 789 ng Mean aerosol black carbon concentration = 561 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 539 ppm. --- Disk space = 2.534359E+08 bytes free: One entry at every 10 minutes. There is space for 107753 hours ( 4490 days) more data --- 07-aug-17 21:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 07-aug-17 21:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.476 ref(beam) = 2.158 . Lamp 2 (470 nm): sen(beam) = 1.230 ref(beam) = 2.381 . Lamp 3 (520 nm): sen(beam) = 1.524 ref(beam) = 1.639 . Lamp 4 (590 nm): sen(beam) = .973 ref(beam) = 2.004 . Lamp 5 (660 nm): sen(beam) = .410 ref(beam) = .831 . Lamp 6 (880 nm): sen(beam) = .650 ref(beam) = 1.035 . Lamp 7 (950 nm): sen(beam) = 1.075 ref(beam) = 1.060 ---