============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 11-dec-16 00:07:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.023 . Lamp 1 (370 nm): sen(beam) = 1.379 ref(beam) = 2.204 . Lamp 2 (470 nm): sen(beam) = 1.162 ref(beam) = 2.514 . Lamp 3 (520 nm): sen(beam) = 1.441 ref(beam) = 1.751 . Lamp 4 (590 nm): sen(beam) = .955 ref(beam) = 2.184 . Lamp 5 (660 nm): sen(beam) = .431 ref(beam) = .986 . Lamp 6 (880 nm): sen(beam) = .648 ref(beam) = 1.151 . Lamp 7 (950 nm): sen(beam) = 1.078 ref(beam) = 1.190 --- 11-dec-16 14:40:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 14.53 hours . Total airflow this filter = 2.59 cubic meters . Mean BC concentration of all lamps = 379 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .662 sen(zero) = 0.021 . ref(beam) = 2.222 ref(zero) = 0.023 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 367 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 418 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .635 sen(zero) = 0.021 . ref(beam) = 2.512 ref(zero) = 0.023 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 986 ng Mean aerosol black carbon concentration = 381 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 491 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .842 sen(zero) = 0.021 . ref(beam) = 1.744 ref(zero) = 0.023 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 960 ng Mean aerosol black carbon concentration = 371 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 438 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .600 sen(zero) = 0.021 . ref(beam) = 2.213 ref(zero) = 0.023 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 987 ng Mean aerosol black carbon concentration = 381 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 407 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .281 sen(zero) = 0.021 . ref(beam) = .983 ref(zero) = 0.023 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 1011 ng Mean aerosol black carbon concentration = 391 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 560 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .468 sen(zero) = 0.021 . ref(beam) = 1.148 ref(zero) = 0.023 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 1005 ng Mean aerosol black carbon concentration = 388 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 555 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .800 sen(zero) = 0.021 . ref(beam) = 1.187 ref(zero) = 0.023 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 967 ng Mean aerosol black carbon concentration = 374 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 602 ppm. --- Disk space = 4.875633E+08 bytes free: One entry at every 2 minutes. There is space for 41459 hours ( 1727 days) more data --- 11-dec-16 14:40:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 11-dec-16 14:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.024 . Lamp 1 (370 nm): sen(beam) = 1.408 ref(beam) = 2.226 . Lamp 2 (470 nm): sen(beam) = 1.179 ref(beam) = 2.552 . Lamp 3 (520 nm): sen(beam) = 1.474 ref(beam) = 1.768 . Lamp 4 (590 nm): sen(beam) = .980 ref(beam) = 2.185 . Lamp 5 (660 nm): sen(beam) = .439 ref(beam) = 1.001 . Lamp 6 (880 nm): sen(beam) = .655 ref(beam) = 1.157 . Lamp 7 (950 nm): sen(beam) = 1.091 ref(beam) = 1.201 ---