25-jul-17 04:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 18.75 hours . Total airflow this filter = 2.08 cubic meters . Mean BC concentration of all lamps = 412 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .692 sen(zero) = 0.021 . ref(beam) = 2.217 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 951 ng Mean aerosol black carbon concentration = 459 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 276 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .666 sen(zero) = 0.021 . ref(beam) = 2.424 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 927 ng Mean aerosol black carbon concentration = 447 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 191 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .899 sen(zero) = 0.021 . ref(beam) = 1.668 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 864 ng Mean aerosol black carbon concentration = 417 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 206 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .660 sen(zero) = 0.021 . ref(beam) = 2.149 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 845 ng Mean aerosol black carbon concentration = 408 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 558 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .280 sen(zero) = 0.021 . ref(beam) = .855 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 843 ng Mean aerosol black carbon concentration = 407 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 364 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .492 sen(zero) = 0.021 . ref(beam) = 1.076 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 791 ng Mean aerosol black carbon concentration = 381 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 435 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .839 sen(zero) = 0.021 . ref(beam) = 1.113 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 752 ng Mean aerosol black carbon concentration = 363 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 489 ppm. --- Disk space = 2.534646E+08 bytes free: One entry at every 10 minutes. There is space for 107766 hours ( 4490 days) more data --- 25-jul-17 04:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 25-jul-17 05:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.462 ref(beam) = 2.215 . Lamp 2 (470 nm): sen(beam) = 1.195 ref(beam) = 2.431 . Lamp 3 (520 nm): sen(beam) = 1.473 ref(beam) = 1.664 . Lamp 4 (590 nm): sen(beam) = .973 ref(beam) = 2.078 . Lamp 5 (660 nm): sen(beam) = .403 ref(beam) = .857 . Lamp 6 (880 nm): sen(beam) = .636 ref(beam) = 1.062 . Lamp 7 (950 nm): sen(beam) = 1.053 ref(beam) = 1.098 --- 25-jul-17 20:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 15.08 hours . Total airflow this filter = 1.66 cubic meters . Mean BC concentration of all lamps = 491 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .691 sen(zero) = 0.021 . ref(beam) = 2.214 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 575 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 336 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .681 sen(zero) = 0.021 . ref(beam) = 2.421 ref(zero) = 0.021 . Optical attenuation of filter deposit = 56 . Total aerosol black carbon on filter = 904 ng Mean aerosol black carbon concentration = 547 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 230 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .919 sen(zero) = 0.021 . ref(beam) = 1.653 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 829 ng Mean aerosol black carbon concentration = 501 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 253 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .661 sen(zero) = 0.021 . ref(beam) = 2.077 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 793 ng Mean aerosol black carbon concentration = 480 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 636 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .286 sen(zero) = 0.021 . ref(beam) = .849 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 788 ng Mean aerosol black carbon concentration = 477 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 379 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .497 sen(zero) = 0.021 . ref(beam) = 1.051 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 728 ng Mean aerosol black carbon concentration = 440 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 460 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .845 sen(zero) = 0.021 . ref(beam) = 1.087 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 689 ng Mean aerosol black carbon concentration = 417 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 511 ppm. --- Disk space = 2.534154E+08 bytes free: One entry at every 10 minutes. There is space for 107745 hours ( 4489 days) more data --- 25-jul-17 20:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 25-jul-17 20:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.463 ref(beam) = 2.191 . Lamp 2 (470 nm): sen(beam) = 1.191 ref(beam) = 2.418 . Lamp 3 (520 nm): sen(beam) = 1.470 ref(beam) = 1.646 . Lamp 4 (590 nm): sen(beam) = .937 ref(beam) = 2.003 . Lamp 5 (660 nm): sen(beam) = .396 ref(beam) = .845 . Lamp 6 (880 nm): sen(beam) = .625 ref(beam) = 1.037 . Lamp 7 (950 nm): sen(beam) = 1.034 ref(beam) = 1.068 ---