25-nov-17 06:40:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 66.66 hours . Total airflow this filter = 8.31 cubic meters . Mean BC concentration of all lamps = 107 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .970 sen(zero) = 0.021 . ref(beam) = 2.462 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 951 ng Mean aerosol black carbon concentration = 114 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 552 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .913 sen(zero) = 0.021 . ref(beam) = 2.645 ref(zero) = 0.021 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 935 ng Mean aerosol black carbon concentration = 112 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 534 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.229 sen(zero) = 0.021 . ref(beam) = 1.775 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 884 ng Mean aerosol black carbon concentration = 106 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 587 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .852 sen(zero) = 0.021 . ref(beam) = 2.284 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 883 ng Mean aerosol black carbon concentration = 106 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 755 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .356 sen(zero) = 0.021 . ref(beam) = .915 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 898 ng Mean aerosol black carbon concentration = 108 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 687 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .662 sen(zero) = 0.021 . ref(beam) = 1.148 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 874 ng Mean aerosol black carbon concentration = 105 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 794 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.130 sen(zero) = 0.021 . ref(beam) = 1.198 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 842 ng Mean aerosol black carbon concentration = 101 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 832 ppm. --- Disk space = 2.541404E+08 bytes free: One entry at every 10 minutes. There is space for 108053 hours ( 4502 days) more data --- 25-nov-17 06:40:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 25-nov-17 06:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 2.098 ref(beam) = 2.322 . Lamp 2 (470 nm): sen(beam) = 1.660 ref(beam) = 2.529 . Lamp 3 (520 nm): sen(beam) = 2.063 ref(beam) = 1.720 . Lamp 4 (590 nm): sen(beam) = 1.294 ref(beam) = 2.150 . Lamp 5 (660 nm): sen(beam) = .531 ref(beam) = .875 . Lamp 6 (880 nm): sen(beam) = .888 ref(beam) = 1.106 . Lamp 7 (950 nm): sen(beam) = 1.474 ref(beam) = 1.142 ---