15-nov-16 22:48:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 23.09 hours . Total airflow this filter = 4.1 cubic meters . Mean BC concentration of all lamps = 192 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .730 sen(zero) = 0.021 . ref(beam) = 2.206 ref(zero) = 0.026 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 232 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 257 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .734 sen(zero) = 0.021 . ref(beam) = 2.416 ref(zero) = 0.026 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 869 ng Mean aerosol black carbon concentration = 212 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 205 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.006 sen(zero) = 0.021 . ref(beam) = 1.761 ref(zero) = 0.026 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 792 ng Mean aerosol black carbon concentration = 193 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 227 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .683 sen(zero) = 0.021 . ref(beam) = 2.143 ref(zero) = 0.026 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 773 ng Mean aerosol black carbon concentration = 188 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 206 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .335 sen(zero) = 0.021 . ref(beam) = .958 ref(zero) = 0.026 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 769 ng Mean aerosol black carbon concentration = 187 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 229 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .549 sen(zero) = 0.021 . ref(beam) = 1.135 ref(zero) = 0.026 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 702 ng Mean aerosol black carbon concentration = 171 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 230 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .928 sen(zero) = 0.021 . ref(beam) = 1.140 ref(zero) = 0.026 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 666 ng Mean aerosol black carbon concentration = 162 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 256 ppm. --- Disk space = 4.951654E+08 bytes free: One entry at every 2 minutes. There is space for 42106 hours ( 1754 days) more data --- 15-nov-16 22:48:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 15-nov-16 22:57:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.026 . Lamp 1 (370 nm): sen(beam) = 1.455 ref(beam) = 2.166 . Lamp 2 (470 nm): sen(beam) = 1.213 ref(beam) = 2.515 . Lamp 3 (520 nm): sen(beam) = 1.546 ref(beam) = 1.714 . Lamp 4 (590 nm): sen(beam) = .964 ref(beam) = 2.033 . Lamp 5 (660 nm): sen(beam) = .456 ref(beam) = 1.008 . Lamp 6 (880 nm): sen(beam) = .664 ref(beam) = 1.096 . Lamp 7 (950 nm): sen(beam) = 1.100 ref(beam) = 1.145 ---