16-jun-17 19:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 21.91 hours . Total airflow this filter = 2.58 cubic meters . Mean BC concentration of all lamps = 359 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .669 sen(zero) = 0.021 . ref(beam) = 2.180 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 954 ng Mean aerosol black carbon concentration = 370 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 195 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .644 sen(zero) = 0.021 . ref(beam) = 2.482 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 979 ng Mean aerosol black carbon concentration = 380 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 159 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .873 sen(zero) = 0.021 . ref(beam) = 1.689 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 934 ng Mean aerosol black carbon concentration = 362 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 176 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .610 sen(zero) = 0.021 . ref(beam) = 2.145 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 927 ng Mean aerosol black carbon concentration = 359 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 336 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .271 sen(zero) = 0.021 . ref(beam) = .905 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 932 ng Mean aerosol black carbon concentration = 362 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 224 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .485 sen(zero) = 0.021 . ref(beam) = 1.093 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 893 ng Mean aerosol black carbon concentration = 346 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 253 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .831 sen(zero) = 0.021 . ref(beam) = 1.135 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 851 ng Mean aerosol black carbon concentration = 330 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 286 ppm. --- Disk space = 2.54935E+08 bytes free: One entry at every 10 minutes. There is space for 108391 hours ( 4516 days) more data --- 16-jun-17 19:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 16-jun-17 19:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.401 ref(beam) = 2.149 . Lamp 2 (470 nm): sen(beam) = 1.185 ref(beam) = 2.508 . Lamp 3 (520 nm): sen(beam) = 1.493 ref(beam) = 1.701 . Lamp 4 (590 nm): sen(beam) = .935 ref(beam) = 2.091 . Lamp 5 (660 nm): sen(beam) = .405 ref(beam) = .912 . Lamp 6 (880 nm): sen(beam) = .656 ref(beam) = 1.089 . Lamp 7 (950 nm): sen(beam) = 1.083 ref(beam) = 1.132 ---