22-jul-17 03:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 16.08 hours . Total airflow this filter = 1.78 cubic meters . Mean BC concentration of all lamps = 452 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .675 sen(zero) = 0.021 . ref(beam) = 2.216 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 954 ng Mean aerosol black carbon concentration = 536 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 250 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .665 sen(zero) = 0.021 . ref(beam) = 2.424 ref(zero) = 0.021 . Optical attenuation of filter deposit = 56 . Total aerosol black carbon on filter = 901 ng Mean aerosol black carbon concentration = 506 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 135 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .906 sen(zero) = 0.021 . ref(beam) = 1.682 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 820 ng Mean aerosol black carbon concentration = 461 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 146 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .677 sen(zero) = 0.021 . ref(beam) = 2.181 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 779 ng Mean aerosol black carbon concentration = 438 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 603 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .285 sen(zero) = 0.021 . ref(beam) = .861 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 773 ng Mean aerosol black carbon concentration = 434 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 273 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .501 sen(zero) = 0.021 . ref(beam) = 1.090 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 717 ng Mean aerosol black carbon concentration = 403 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 363 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .850 sen(zero) = 0.021 . ref(beam) = 1.124 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 681 ng Mean aerosol black carbon concentration = 382 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 392 ppm. --- Disk space = 2.536489E+08 bytes free: One entry at every 10 minutes. There is space for 107844 hours ( 4494 days) more data --- 22-jul-17 03:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 22-jul-17 03:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.442 ref(beam) = 2.187 . Lamp 2 (470 nm): sen(beam) = 1.170 ref(beam) = 2.422 . Lamp 3 (520 nm): sen(beam) = 1.453 ref(beam) = 1.684 . Lamp 4 (590 nm): sen(beam) = .970 ref(beam) = 2.118 . Lamp 5 (660 nm): sen(beam) = .395 ref(beam) = .860 . Lamp 6 (880 nm): sen(beam) = .629 ref(beam) = 1.083 . Lamp 7 (950 nm): sen(beam) = 1.038 ref(beam) = 1.114 --- 22-jul-17 18:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 14.91 hours . Total airflow this filter = 1.64 cubic meters . Mean BC concentration of all lamps = 468 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .681 sen(zero) = 0.021 . ref(beam) = 2.187 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 953 ng Mean aerosol black carbon concentration = 584 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 310 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .686 sen(zero) = 0.021 . ref(beam) = 2.411 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 858 ng Mean aerosol black carbon concentration = 526 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 203 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .936 sen(zero) = 0.021 . ref(beam) = 1.671 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 772 ng Mean aerosol black carbon concentration = 473 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 212 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .676 sen(zero) = 0.021 . ref(beam) = 2.110 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 734 ng Mean aerosol black carbon concentration = 450 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 673 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .287 sen(zero) = 0.021 . ref(beam) = .850 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 729 ng Mean aerosol black carbon concentration = 446 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 345 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .501 sen(zero) = 0.021 . ref(beam) = 1.070 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 667 ng Mean aerosol black carbon concentration = 409 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 471 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .846 sen(zero) = 0.021 . ref(beam) = 1.100 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 632 ng Mean aerosol black carbon concentration = 387 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 465 ppm. --- Disk space = 2.536038E+08 bytes free: One entry at every 10 minutes. There is space for 107825 hours ( 4493 days) more data --- 22-jul-17 18:55:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 22-jul-17 19:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.424 ref(beam) = 2.191 . Lamp 2 (470 nm): sen(beam) = 1.173 ref(beam) = 2.429 . Lamp 3 (520 nm): sen(beam) = 1.458 ref(beam) = 1.667 . Lamp 4 (590 nm): sen(beam) = .936 ref(beam) = 2.039 . Lamp 5 (660 nm): sen(beam) = .393 ref(beam) = .853 . Lamp 6 (880 nm): sen(beam) = .624 ref(beam) = 1.052 . Lamp 7 (950 nm): sen(beam) = 1.028 ref(beam) = 1.084 ---