30-oct-18 11:30:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 144.16 hours . Total airflow this filter = 16.32 cubic meters . Mean BC concentration of all lamps = 58 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .996 sen(zero) = 0.021 . ref(beam) = 2.357 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 58 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 170 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .902 sen(zero) = 0.021 . ref(beam) = 2.541 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 988 ng Mean aerosol black carbon concentration = 60 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 71 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.209 sen(zero) = 0.021 . ref(beam) = 1.686 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 951 ng Mean aerosol black carbon concentration = 58 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 90 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .826 sen(zero) = 0.021 . ref(beam) = 2.224 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 953 ng Mean aerosol black carbon concentration = 58 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 478 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .323 sen(zero) = 0.021 . ref(beam) = .807 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 973 ng Mean aerosol black carbon concentration = 59 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 169 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .651 sen(zero) = 0.021 . ref(beam) = 1.086 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 940 ng Mean aerosol black carbon concentration = 57 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 251 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.133 sen(zero) = 0.021 . ref(beam) = 1.135 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 899 ng Mean aerosol black carbon concentration = 55 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 272 ppm. --- Disk space = 2.541445E+08 bytes free: One entry at every 10 minutes. There is space for 108055 hours ( 4502 days) more data --- 30-oct-18 11:30:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 30-oct-18 11:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 2.099 ref(beam) = 2.370 . Lamp 2 (470 nm): sen(beam) = 1.681 ref(beam) = 2.596 . Lamp 3 (520 nm): sen(beam) = 2.087 ref(beam) = 1.751 . Lamp 4 (590 nm): sen(beam) = 1.288 ref(beam) = 2.206 . Lamp 5 (660 nm): sen(beam) = .495 ref(beam) = .823 . Lamp 6 (880 nm): sen(beam) = .893 ref(beam) = 1.121 . Lamp 7 (950 nm): sen(beam) = 1.504 ref(beam) = 1.164 ---