07-jan-17 06:40:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 67.83 hours . Total airflow this filter = 8.43 cubic meters . Mean BC concentration of all lamps = 121 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .695 sen(zero) = 0.021 . ref(beam) = 2.189 ref(zero) = 0.022 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 112 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 491 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .651 sen(zero) = 0.021 . ref(beam) = 2.415 ref(zero) = 0.022 . Optical attenuation of filter deposit = 63 . Total aerosol black carbon on filter = 1025 ng Mean aerosol black carbon concentration = 121 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 399 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .854 sen(zero) = 0.021 . ref(beam) = 1.718 ref(zero) = 0.022 . Optical attenuation of filter deposit = 56 . Total aerosol black carbon on filter = 1008 ng Mean aerosol black carbon concentration = 119 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 462 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .585 sen(zero) = 0.021 . ref(beam) = 2.162 ref(zero) = 0.022 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 1034 ng Mean aerosol black carbon concentration = 122 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 673 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .279 sen(zero) = 0.021 . ref(beam) = .921 ref(zero) = 0.022 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 1066 ng Mean aerosol black carbon concentration = 126 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 528 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .476 sen(zero) = 0.021 . ref(beam) = 1.123 ref(zero) = 0.022 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 1063 ng Mean aerosol black carbon concentration = 126 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 615 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .810 sen(zero) = 0.021 . ref(beam) = 1.137 ref(zero) = 0.022 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 1025 ng Mean aerosol black carbon concentration = 121 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 633 ppm. --- Disk space = 4.859085E+08 bytes free: One entry at every 10 minutes. There is space for 206594 hours ( 8608 days) more data --- 07-jan-17 06:40:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 07-jan-17 06:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.023 . Lamp 1 (370 nm): sen(beam) = 1.459 ref(beam) = 2.120 . Lamp 2 (470 nm): sen(beam) = 1.216 ref(beam) = 2.404 . Lamp 3 (520 nm): sen(beam) = 1.521 ref(beam) = 1.690 . Lamp 4 (590 nm): sen(beam) = .952 ref(beam) = 2.050 . Lamp 5 (660 nm): sen(beam) = .436 ref(beam) = .919 . Lamp 6 (880 nm): sen(beam) = .672 ref(beam) = 1.092 . Lamp 7 (950 nm): sen(beam) = 1.110 ref(beam) = 1.114 ---