27-mar-19 18:40:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 198.49 hours . Total airflow this filter = 27.45 cubic meters . Mean BC concentration of all lamps = 35 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .928 sen(zero) = 0.021 . ref(beam) = 2.195 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 34 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 734 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .824 sen(zero) = 0.021 . ref(beam) = 2.361 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 995 ng Mean aerosol black carbon concentration = 36 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 641 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.159 sen(zero) = 0.021 . ref(beam) = 1.631 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 964 ng Mean aerosol black carbon concentration = 35 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 659 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .821 sen(zero) = 0.021 . ref(beam) = 2.190 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 979 ng Mean aerosol black carbon concentration = 35 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 789 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .304 sen(zero) = 0.021 . ref(beam) = .754 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 997 ng Mean aerosol black carbon concentration = 36 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 739 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .630 sen(zero) = 0.021 . ref(beam) = 1.066 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 983 ng Mean aerosol black carbon concentration = 35 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 774 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.097 sen(zero) = 0.021 . ref(beam) = 1.124 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 946 ng Mean aerosol black carbon concentration = 34 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 792 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-mar-19 18:40:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 27-mar-19 18:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.889 ref(beam) = 2.194 . Lamp 2 (470 nm): sen(beam) = 1.468 ref(beam) = 2.390 . Lamp 3 (520 nm): sen(beam) = 1.927 ref(beam) = 1.675 . Lamp 4 (590 nm): sen(beam) = 1.247 ref(beam) = 2.172 . Lamp 5 (660 nm): sen(beam) = .449 ref(beam) = .763 . Lamp 6 (880 nm): sen(beam) = .841 ref(beam) = 1.089 . Lamp 7 (950 nm): sen(beam) = 1.420 ref(beam) = 1.140 ---