23-oct-17 02:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 11.24 hours . Total airflow this filter = 1.4 cubic meters . Mean BC concentration of all lamps = 567 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .797 sen(zero) = 0.021 . ref(beam) = 2.107 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 952 ng Mean aerosol black carbon concentration = 684 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 175 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .814 sen(zero) = 0.021 . ref(beam) = 2.332 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 866 ng Mean aerosol black carbon concentration = 621 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 130 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.112 sen(zero) = 0.021 . ref(beam) = 1.611 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 796 ng Mean aerosol black carbon concentration = 571 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 169 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .770 sen(zero) = 0.021 . ref(beam) = 2.036 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 778 ng Mean aerosol black carbon concentration = 558 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 351 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .327 sen(zero) = 0.021 . ref(beam) = .808 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 773 ng Mean aerosol black carbon concentration = 555 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 224 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .597 sen(zero) = 0.021 . ref(beam) = 1.029 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 707 ng Mean aerosol black carbon concentration = 507 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 278 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.016 sen(zero) = 0.021 . ref(beam) = 1.058 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 663 ng Mean aerosol black carbon concentration = 476 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 316 ppm. --- Disk space = 2.539233E+08 bytes free: One entry at every 10 minutes. There is space for 107961 hours ( 4498 days) more data --- 23-oct-17 02:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 23-oct-17 02:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.731 ref(beam) = 2.149 . Lamp 2 (470 nm): sen(beam) = 1.423 ref(beam) = 2.391 . Lamp 3 (520 nm): sen(beam) = 1.760 ref(beam) = 1.643 . Lamp 4 (590 nm): sen(beam) = 1.100 ref(beam) = 2.008 . Lamp 5 (660 nm): sen(beam) = .458 ref(beam) = .826 . Lamp 6 (880 nm): sen(beam) = .749 ref(beam) = 1.039 . Lamp 7 (950 nm): sen(beam) = 1.239 ref(beam) = 1.070 ---