09-dec-16 01:26:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 23.13 hours . Total airflow this filter = 4.21 cubic meters . Mean BC concentration of all lamps = 217 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .683 sen(zero) = 0.021 . ref(beam) = 2.233 ref(zero) = 0.024 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 225 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 453 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .670 sen(zero) = 0.021 . ref(beam) = 2.563 ref(zero) = 0.024 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 942 ng Mean aerosol black carbon concentration = 223 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 441 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .900 sen(zero) = 0.021 . ref(beam) = 1.719 ref(zero) = 0.024 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 896 ng Mean aerosol black carbon concentration = 212 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 420 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .650 sen(zero) = 0.021 . ref(beam) = 2.193 ref(zero) = 0.024 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 916 ng Mean aerosol black carbon concentration = 217 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 484 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .301 sen(zero) = 0.021 . ref(beam) = 1.015 ref(zero) = 0.024 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 934 ng Mean aerosol black carbon concentration = 222 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 510 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .493 sen(zero) = 0.021 . ref(beam) = 1.140 ref(zero) = 0.024 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 902 ng Mean aerosol black carbon concentration = 214 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 524 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .844 sen(zero) = 0.021 . ref(beam) = 1.208 ref(zero) = 0.024 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 871 ng Mean aerosol black carbon concentration = 206 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 598 ppm. --- Disk space = 4.88407E+08 bytes free: One entry at every 2 minutes. There is space for 41531 hours ( 1730 days) more data --- 09-dec-16 01:26:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 09-dec-16 01:35:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.023 . Lamp 1 (370 nm): sen(beam) = 1.361 ref(beam) = 2.173 . Lamp 2 (470 nm): sen(beam) = 1.134 ref(beam) = 2.503 . Lamp 3 (520 nm): sen(beam) = 1.428 ref(beam) = 1.718 . Lamp 4 (590 nm): sen(beam) = .952 ref(beam) = 2.147 . Lamp 5 (660 nm): sen(beam) = .426 ref(beam) = .989 . Lamp 6 (880 nm): sen(beam) = .623 ref(beam) = 1.129 . Lamp 7 (950 nm): sen(beam) = 1.056 ref(beam) = 1.179 ---