20-jun-19 13:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 35.58 hours . Total airflow this filter = 3.62 cubic meters . Mean BC concentration of all lamps = 187 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .983 sen(zero) = 0.021 . ref(beam) = 2.409 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 262 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 155 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .963 sen(zero) = 0.021 . ref(beam) = 2.563 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 788 ng Mean aerosol black carbon concentration = 217 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 107 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.401 sen(zero) = 0.021 . ref(beam) = 1.778 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 687 ng Mean aerosol black carbon concentration = 189 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 122 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.009 sen(zero) = 0.021 . ref(beam) = 2.393 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 646 ng Mean aerosol black carbon concentration = 178 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 348 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .361 sen(zero) = 0.021 . ref(beam) = .805 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 621 ng Mean aerosol black carbon concentration = 171 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 186 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .759 sen(zero) = 0.021 . ref(beam) = 1.160 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 540 ng Mean aerosol black carbon concentration = 149 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 231 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.309 sen(zero) = 0.021 . ref(beam) = 1.221 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 504 ng Mean aerosol black carbon concentration = 139 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 246 ppm. --- Disk space = 2.537554E+08 bytes free: One entry at every 10 minutes. There is space for 107889 hours ( 4495 days) more data --- 20-jun-19 13:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-jun-19 13:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 2.088 ref(beam) = 2.310 . Lamp 2 (470 nm): sen(beam) = 1.595 ref(beam) = 2.472 . Lamp 3 (520 nm): sen(beam) = 2.079 ref(beam) = 1.741 . Lamp 4 (590 nm): sen(beam) = 1.354 ref(beam) = 2.251 . Lamp 5 (660 nm): sen(beam) = .478 ref(beam) = .773 . Lamp 6 (880 nm): sen(beam) = .912 ref(beam) = 1.125 . Lamp 7 (950 nm): sen(beam) = 1.542 ref(beam) = 1.182 ---