30-sep-19 05:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 14.91 hours . Total airflow this filter = 2.07 cubic meters . Mean BC concentration of all lamps = 391 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .928 sen(zero) = 0.021 . ref(beam) = 2.349 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 954 ng Mean aerosol black carbon concentration = 462 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 567 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .874 sen(zero) = 0.021 . ref(beam) = 2.494 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 856 ng Mean aerosol black carbon concentration = 414 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 605 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.257 sen(zero) = 0.021 . ref(beam) = 1.760 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 798 ng Mean aerosol black carbon concentration = 386 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 708 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .917 sen(zero) = 0.021 . ref(beam) = 2.347 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 798 ng Mean aerosol black carbon concentration = 386 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 772 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .321 sen(zero) = 0.021 . ref(beam) = .782 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 798 ng Mean aerosol black carbon concentration = 386 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 718 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .682 sen(zero) = 0.021 . ref(beam) = 1.152 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 749 ng Mean aerosol black carbon concentration = 362 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 859 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.183 sen(zero) = 0.021 . ref(beam) = 1.210 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 708 ng Mean aerosol black carbon concentration = 343 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 828 ppm. --- Disk space = 2.533745E+08 bytes free: One entry at every 10 minutes. There is space for 107727 hours ( 4489 days) more data --- 30-sep-19 05:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 30-sep-19 05:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.899 ref(beam) = 2.287 . Lamp 2 (470 nm): sen(beam) = 1.447 ref(beam) = 2.450 . Lamp 3 (520 nm): sen(beam) = 1.913 ref(beam) = 1.710 . Lamp 4 (590 nm): sen(beam) = 1.269 ref(beam) = 2.208 . Lamp 5 (660 nm): sen(beam) = .436 ref(beam) = .767 . Lamp 6 (880 nm): sen(beam) = .831 ref(beam) = 1.108 . Lamp 7 (950 nm): sen(beam) = 1.398 ref(beam) = 1.166 --- 30-sep-19 18:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 12.58 hours . Total airflow this filter = 1.53 cubic meters . Mean BC concentration of all lamps = 583 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .878 sen(zero) = 0.021 . ref(beam) = 2.328 ref(zero) = 0.021 . Optical attenuation of filter deposit = 77 . Total aerosol black carbon on filter = 983 ng Mean aerosol black carbon concentration = 646 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 386 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .807 sen(zero) = 0.021 . ref(beam) = 2.467 ref(zero) = 0.021 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 939 ng Mean aerosol black carbon concentration = 617 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 437 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.160 sen(zero) = 0.021 . ref(beam) = 1.716 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 885 ng Mean aerosol black carbon concentration = 582 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 442 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .872 sen(zero) = 0.021 . ref(beam) = 2.358 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 888 ng Mean aerosol black carbon concentration = 583 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 660 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .302 sen(zero) = 0.021 . ref(beam) = .778 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 890 ng Mean aerosol black carbon concentration = 585 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 512 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .646 sen(zero) = 0.021 . ref(beam) = 1.132 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 834 ng Mean aerosol black carbon concentration = 548 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 592 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.125 sen(zero) = 0.021 . ref(beam) = 1.199 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 794 ng Mean aerosol black carbon concentration = 522 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 634 ppm. --- Disk space = 2.533335E+08 bytes free: One entry at every 10 minutes. There is space for 107710 hours ( 4488 days) more data --- 30-sep-19 18:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 30-sep-19 18:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.868 ref(beam) = 2.366 . Lamp 2 (470 nm): sen(beam) = 1.442 ref(beam) = 2.511 . Lamp 3 (520 nm): sen(beam) = 1.915 ref(beam) = 1.785 . Lamp 4 (590 nm): sen(beam) = 1.303 ref(beam) = 2.358 . Lamp 5 (660 nm): sen(beam) = .443 ref(beam) = .793 . Lamp 6 (880 nm): sen(beam) = .852 ref(beam) = 1.173 . Lamp 7 (950 nm): sen(beam) = 1.438 ref(beam) = 1.237 ---