03-jul-17 02:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 14.58 hours . Total airflow this filter = 1.65 cubic meters . Mean BC concentration of all lamps = 536 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .667 sen(zero) = 0.021 . ref(beam) = 2.164 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 951 ng Mean aerosol black carbon concentration = 577 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 191 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .639 sen(zero) = 0.021 . ref(beam) = 2.369 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 952 ng Mean aerosol black carbon concentration = 578 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 134 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .862 sen(zero) = 0.021 . ref(beam) = 1.627 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 898 ng Mean aerosol black carbon concentration = 545 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 156 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .621 sen(zero) = 0.021 . ref(beam) = 2.071 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 881 ng Mean aerosol black carbon concentration = 534 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 418 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .270 sen(zero) = 0.021 . ref(beam) = .843 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 880 ng Mean aerosol black carbon concentration = 534 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 233 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .473 sen(zero) = 0.021 . ref(beam) = 1.044 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 830 ng Mean aerosol black carbon concentration = 504 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 318 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .804 sen(zero) = 0.021 . ref(beam) = 1.077 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 792 ng Mean aerosol black carbon concentration = 480 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 343 ppm. --- Disk space = 2.537554E+08 bytes free: One entry at every 10 minutes. There is space for 107889 hours ( 4495 days) more data --- 03-jul-17 02:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 03-jul-17 02:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.401 ref(beam) = 2.117 . Lamp 2 (470 nm): sen(beam) = 1.142 ref(beam) = 2.376 . Lamp 3 (520 nm): sen(beam) = 1.425 ref(beam) = 1.638 . Lamp 4 (590 nm): sen(beam) = .922 ref(beam) = 2.006 . Lamp 5 (660 nm): sen(beam) = .383 ref(beam) = .844 . Lamp 6 (880 nm): sen(beam) = .609 ref(beam) = 1.042 . Lamp 7 (950 nm): sen(beam) = 1.005 ref(beam) = 1.075 --- 03-jul-17 12:45:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 9.91 hours . Total airflow this filter = 1.13 cubic meters . Mean BC concentration of all lamps = 807 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .660 sen(zero) = 0.021 . ref(beam) = 2.140 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 953 ng Mean aerosol black carbon concentration = 847 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 165 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .625 sen(zero) = 0.021 . ref(beam) = 2.380 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 964 ng Mean aerosol black carbon concentration = 857 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 68 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .845 sen(zero) = 0.021 . ref(beam) = 1.635 ref(zero) = 0.021 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 916 ng Mean aerosol black carbon concentration = 814 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 73 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .604 sen(zero) = 0.021 . ref(beam) = 2.061 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 911 ng Mean aerosol black carbon concentration = 810 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 458 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .260 sen(zero) = 0.021 . ref(beam) = .844 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 915 ng Mean aerosol black carbon concentration = 814 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 170 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .460 sen(zero) = 0.021 . ref(beam) = 1.046 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 868 ng Mean aerosol black carbon concentration = 772 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 232 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .783 sen(zero) = 0.021 . ref(beam) = 1.081 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 827 ng Mean aerosol black carbon concentration = 735 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 282 ppm. --- Disk space = 2.537144E+08 bytes free: One entry at every 10 minutes. There is space for 107872 hours ( 4495 days) more data --- 03-jul-17 12:45:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 03-jul-17 13:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.392 ref(beam) = 2.094 . Lamp 2 (470 nm): sen(beam) = 1.155 ref(beam) = 2.383 . Lamp 3 (520 nm): sen(beam) = 1.435 ref(beam) = 1.641 . Lamp 4 (590 nm): sen(beam) = .925 ref(beam) = 2.008 . Lamp 5 (660 nm): sen(beam) = .391 ref(beam) = .847 . Lamp 6 (880 nm): sen(beam) = .615 ref(beam) = 1.041 . Lamp 7 (950 nm): sen(beam) = 1.017 ref(beam) = 1.072 ---