23-dec-18 23:20:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 85.33 hours . Total airflow this filter = 11.01 cubic meters . Mean BC concentration of all lamps = 73 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .951 sen(zero) = 0.021 . ref(beam) = 2.242 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 952 ng Mean aerosol black carbon concentration = 86 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 207 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .919 sen(zero) = 0.021 . ref(beam) = 2.417 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 877 ng Mean aerosol black carbon concentration = 79 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 70 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.264 sen(zero) = 0.021 . ref(beam) = 1.618 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 806 ng Mean aerosol black carbon concentration = 73 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 90 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .864 sen(zero) = 0.021 . ref(beam) = 2.133 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 789 ng Mean aerosol black carbon concentration = 71 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 555 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .334 sen(zero) = 0.021 . ref(beam) = .762 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 783 ng Mean aerosol black carbon concentration = 71 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 180 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .671 sen(zero) = 0.021 . ref(beam) = 1.047 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 728 ng Mean aerosol black carbon concentration = 66 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 288 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.162 sen(zero) = 0.021 . ref(beam) = 1.091 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 692 ng Mean aerosol black carbon concentration = 62 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 312 ppm. --- Disk space = 2.541445E+08 bytes free: One entry at every 10 minutes. There is space for 108055 hours ( 4502 days) more data --- 23-dec-18 23:20:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 23-dec-18 23:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.972 ref(beam) = 2.274 . Lamp 2 (470 nm): sen(beam) = 1.569 ref(beam) = 2.486 . Lamp 3 (520 nm): sen(beam) = 1.983 ref(beam) = 1.657 . Lamp 4 (590 nm): sen(beam) = 1.227 ref(beam) = 2.107 . Lamp 5 (660 nm): sen(beam) = .463 ref(beam) = .783 . Lamp 6 (880 nm): sen(beam) = .852 ref(beam) = 1.063 . Lamp 7 (950 nm): sen(beam) = 1.426 ref(beam) = 1.110 ---