28-oct-16 05:46:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 35.93 hours . Total airflow this filter = 6.62 cubic meters . Mean BC concentration of all lamps = 105 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .775 sen(zero) = 0.021 . ref(beam) = 2.383 ref(zero) = 0.027 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 143 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 84 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .806 sen(zero) = 0.021 . ref(beam) = 2.657 ref(zero) = 0.027 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 800 ng Mean aerosol black carbon concentration = 120 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 47 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.118 sen(zero) = 0.021 . ref(beam) = 1.820 ref(zero) = 0.027 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 702 ng Mean aerosol black carbon concentration = 106 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 57 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .792 sen(zero) = 0.021 . ref(beam) = 2.287 ref(zero) = 0.027 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 674 ng Mean aerosol black carbon concentration = 101 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 159 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .381 sen(zero) = 0.021 . ref(beam) = 1.093 ref(zero) = 0.027 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 656 ng Mean aerosol black carbon concentration = 99 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 81 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .605 sen(zero) = 0.021 . ref(beam) = 1.181 ref(zero) = 0.027 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 580 ng Mean aerosol black carbon concentration = 87 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 88 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.024 sen(zero) = 0.021 . ref(beam) = 1.238 ref(zero) = 0.027 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 544 ng Mean aerosol black carbon concentration = 82 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 102 ppm. --- Disk space = 4.993761E+08 bytes free: One entry at every 2 minutes. There is space for 42464 hours ( 1769 days) more data --- 28-oct-16 05:46:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 28-oct-16 05:55:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.024 . Lamp 1 (370 nm): sen(beam) = 1.536 ref(beam) = 2.280 . Lamp 2 (470 nm): sen(beam) = 1.272 ref(beam) = 2.603 . Lamp 3 (520 nm): sen(beam) = 1.596 ref(beam) = 1.808 . Lamp 4 (590 nm): sen(beam) = 1.059 ref(beam) = 2.206 . Lamp 5 (660 nm): sen(beam) = .496 ref(beam) = 1.076 . Lamp 6 (880 nm): sen(beam) = .703 ref(beam) = 1.175 . Lamp 7 (950 nm): sen(beam) = 1.171 ref(beam) = 1.226 ---