27-may-18 11:30:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 47.33 hours . Total airflow this filter = 5.22 cubic meters . Mean BC concentration of all lamps = 177 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .958 sen(zero) = 0.021 . ref(beam) = 2.314 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 182 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 179 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .873 sen(zero) = 0.021 . ref(beam) = 2.481 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 983 ng Mean aerosol black carbon concentration = 188 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 121 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.166 sen(zero) = 0.021 . ref(beam) = 1.682 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 937 ng Mean aerosol black carbon concentration = 179 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 137 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .821 sen(zero) = 0.021 . ref(beam) = 2.253 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 931 ng Mean aerosol black carbon concentration = 178 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 351 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .326 sen(zero) = 0.021 . ref(beam) = .811 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 942 ng Mean aerosol black carbon concentration = 180 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 212 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .648 sen(zero) = 0.021 . ref(beam) = 1.093 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 894 ng Mean aerosol black carbon concentration = 171 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 267 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.123 sen(zero) = 0.021 . ref(beam) = 1.134 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 851 ng Mean aerosol black carbon concentration = 163 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 302 ppm. --- Disk space = 2.541445E+08 bytes free: One entry at every 10 minutes. There is space for 108055 hours ( 4502 days) more data --- 27-may-18 11:30:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 27-may-18 11:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 2.022 ref(beam) = 2.228 . Lamp 2 (470 nm): sen(beam) = 1.623 ref(beam) = 2.403 . Lamp 3 (520 nm): sen(beam) = 2.008 ref(beam) = 1.628 . Lamp 4 (590 nm): sen(beam) = 1.276 ref(beam) = 2.107 . Lamp 5 (660 nm): sen(beam) = .491 ref(beam) = .784 . Lamp 6 (880 nm): sen(beam) = .871 ref(beam) = 1.049 . Lamp 7 (950 nm): sen(beam) = 1.459 ref(beam) = 1.090 ---