20-oct-17 10:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 12.08 hours . Total airflow this filter = 1.49 cubic meters . Mean BC concentration of all lamps = 593 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .764 sen(zero) = 0.021 . ref(beam) = 2.138 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 953 ng Mean aerosol black carbon concentration = 642 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 174 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .758 sen(zero) = 0.021 . ref(beam) = 2.349 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 929 ng Mean aerosol black carbon concentration = 626 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 155 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.028 sen(zero) = 0.021 . ref(beam) = 1.607 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 881 ng Mean aerosol black carbon concentration = 593 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 194 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .720 sen(zero) = 0.021 . ref(beam) = 2.051 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 880 ng Mean aerosol black carbon concentration = 593 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 356 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .306 sen(zero) = 0.021 . ref(beam) = .816 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 888 ng Mean aerosol black carbon concentration = 598 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 245 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .561 sen(zero) = 0.021 . ref(beam) = 1.030 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 838 ng Mean aerosol black carbon concentration = 565 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 296 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .957 sen(zero) = 0.021 . ref(beam) = 1.067 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 796 ng Mean aerosol black carbon concentration = 536 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 298 ppm. --- Disk space = 2.541076E+08 bytes free: One entry at every 10 minutes. There is space for 108039 hours ( 4502 days) more data --- 20-oct-17 10:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-oct-17 10:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.736 ref(beam) = 2.148 . Lamp 2 (470 nm): sen(beam) = 1.415 ref(beam) = 2.380 . Lamp 3 (520 nm): sen(beam) = 1.763 ref(beam) = 1.636 . Lamp 4 (590 nm): sen(beam) = 1.116 ref(beam) = 2.010 . Lamp 5 (660 nm): sen(beam) = .459 ref(beam) = .825 . Lamp 6 (880 nm): sen(beam) = .751 ref(beam) = 1.038 . Lamp 7 (950 nm): sen(beam) = 1.241 ref(beam) = 1.071 --- 20-oct-17 23:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 12.41 hours . Total airflow this filter = 1.54 cubic meters . Mean BC concentration of all lamps = 568 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .822 sen(zero) = 0.021 . ref(beam) = 2.168 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 957 ng Mean aerosol black carbon concentration = 623 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 458 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .797 sen(zero) = 0.021 . ref(beam) = 2.381 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 926 ng Mean aerosol black carbon concentration = 603 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 472 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.076 sen(zero) = 0.021 . ref(beam) = 1.636 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 876 ng Mean aerosol black carbon concentration = 571 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 509 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .756 sen(zero) = 0.021 . ref(beam) = 2.090 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 873 ng Mean aerosol black carbon concentration = 569 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 665 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .318 sen(zero) = 0.021 . ref(beam) = .830 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 875 ng Mean aerosol black carbon concentration = 570 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 580 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .580 sen(zero) = 0.021 . ref(beam) = 1.049 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 822 ng Mean aerosol black carbon concentration = 535 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 874 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .990 sen(zero) = 0.021 . ref(beam) = 1.085 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 778 ng Mean aerosol black carbon concentration = 507 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 943 ppm. --- Disk space = 2.540708E+08 bytes free: One entry at every 10 minutes. There is space for 108023 hours ( 4501 days) more data --- 20-oct-17 23:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 20-oct-17 23:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.755 ref(beam) = 2.110 . Lamp 2 (470 nm): sen(beam) = 1.433 ref(beam) = 2.325 . Lamp 3 (520 nm): sen(beam) = 1.777 ref(beam) = 1.592 . Lamp 4 (590 nm): sen(beam) = 1.129 ref(beam) = 1.978 . Lamp 5 (660 nm): sen(beam) = .465 ref(beam) = .806 . Lamp 6 (880 nm): sen(beam) = .759 ref(beam) = 1.015 . Lamp 7 (950 nm): sen(beam) = 1.258 ref(beam) = 1.045 ---