12-nov-17 21:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 63.24 hours . Total airflow this filter = 7.73 cubic meters . Mean BC concentration of all lamps = 99 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .864 sen(zero) = 0.021 . ref(beam) = 2.157 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 122 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 356 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .864 sen(zero) = 0.021 . ref(beam) = 2.356 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 840 ng Mean aerosol black carbon concentration = 108 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 296 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.172 sen(zero) = 0.021 . ref(beam) = 1.613 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 763 ng Mean aerosol black carbon concentration = 98 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 333 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .822 sen(zero) = 0.021 . ref(beam) = 2.080 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 741 ng Mean aerosol black carbon concentration = 95 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 515 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .341 sen(zero) = 0.021 . ref(beam) = .812 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 734 ng Mean aerosol black carbon concentration = 95 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 427 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .620 sen(zero) = 0.021 . ref(beam) = 1.037 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 684 ng Mean aerosol black carbon concentration = 88 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 497 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.053 sen(zero) = 0.021 . ref(beam) = 1.068 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 651 ng Mean aerosol black carbon concentration = 84 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 556 ppm. --- Disk space = 2.535465E+08 bytes free: One entry at every 10 minutes. There is space for 107800 hours ( 4492 days) more data --- 12-nov-17 21:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 12-nov-17 21:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.759 ref(beam) = 2.078 . Lamp 2 (470 nm): sen(beam) = 1.428 ref(beam) = 2.310 . Lamp 3 (520 nm): sen(beam) = 1.760 ref(beam) = 1.583 . Lamp 4 (590 nm): sen(beam) = 1.120 ref(beam) = 1.972 . Lamp 5 (660 nm): sen(beam) = .460 ref(beam) = .797 . Lamp 6 (880 nm): sen(beam) = .757 ref(beam) = 1.011 . Lamp 7 (950 nm): sen(beam) = 1.252 ref(beam) = 1.042 ---