08-aug-10 02:30:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 33.75 hours . Total airflow this filter = 9.96 cubic meters . Mean BC concentration of all lamps = 45 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .466 sen(zero) = 0.021 . ref(beam) = 1.436 ref(zero) = 0.020 . Optical attenuation of filter deposit = 79 . Total aerosol black carbon on filter = 1005 ng Mean aerosol black carbon concentration = 101 ng/m3 --- The reference beam showed lamp intensity fluctuations of 182 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.144 sen(zero) = 0.021 . ref(beam) = 1.597 ref(zero) = 0.020 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 618 ng Mean aerosol black carbon concentration = 62 ng/m3 --- The reference beam showed lamp intensity fluctuations of 48 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.278 sen(zero) = 0.021 . ref(beam) = 2.040 ref(zero) = 0.020 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 444 ng Mean aerosol black carbon concentration = 44 ng/m3 --- The reference beam showed lamp intensity fluctuations of 38 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.286 sen(zero) = 0.021 . ref(beam) = 2.825 ref(zero) = 0.020 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 352 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 167 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.940 sen(zero) = 0.021 . ref(beam) = 2.407 ref(zero) = 0.020 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 283 ng Mean aerosol black carbon concentration = 28 ng/m3 --- The reference beam showed lamp intensity fluctuations of 83 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.694 sen(zero) = 0.021 . ref(beam) = 2.355 ref(zero) = 0.020 . Optical attenuation of filter deposit = 7 . Total aerosol black carbon on filter = 224 ng Mean aerosol black carbon concentration = 22 ng/m3 --- The reference beam showed lamp intensity fluctuations of 114 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.516 sen(zero) = 0.021 . ref(beam) = 2.276 ref(zero) = 0.020 . Optical attenuation of filter deposit = 6 . Total aerosol black carbon on filter = 224 ng Mean aerosol black carbon concentration = 22 ng/m3 --- The reference beam showed lamp intensity fluctuations of 118 ppm. --- Disk space = 2.50667E+08 bytes free: One entry at every 5 minutes. There is space for 53288 hours ( 2220 days) more data --- 08-aug-10 02:30:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 774 --- 08-aug-10 02:39:56 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.020 . Lamp 1 (370 nm): sen(beam) = .914 ref(beam) = 1.334 . Lamp 2 (470 nm): sen(beam) = 1.627 ref(beam) = 1.593 . Lamp 3 (520 nm): sen(beam) = 1.597 ref(beam) = 2.034 . Lamp 4 (590 nm): sen(beam) = 1.459 ref(beam) = 2.757 . Lamp 5 (660 nm): sen(beam) = 2.140 ref(beam) = 2.403 . Lamp 6 (880 nm): sen(beam) = 1.787 ref(beam) = 2.349 . Lamp 7 (950 nm): sen(beam) = 1.589 ref(beam) = 2.273 --- 08-aug-10 06:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.58 hours . Total airflow this filter = 1.05 cubic meters . Mean BC concentration of all lamps = 592 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .437 sen(zero) = 0.021 . ref(beam) = 1.383 ref(zero) = 0.020 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 972 ng Mean aerosol black carbon concentration = 941 ng/m3 --- The reference beam showed lamp intensity fluctuations of 492 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.023 sen(zero) = 0.021 . ref(beam) = 1.588 ref(zero) = 0.020 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 729 ng Mean aerosol black carbon concentration = 705 ng/m3 --- The reference beam showed lamp intensity fluctuations of 97 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.124 sen(zero) = 0.021 . ref(beam) = 2.027 ref(zero) = 0.020 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 617 ng Mean aerosol black carbon concentration = 597 ng/m3 --- The reference beam showed lamp intensity fluctuations of 92 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.103 sen(zero) = 0.021 . ref(beam) = 2.748 ref(zero) = 0.020 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 563 ng Mean aerosol black carbon concentration = 545 ng/m3 --- The reference beam showed lamp intensity fluctuations of 502 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.688 sen(zero) = 0.021 . ref(beam) = 2.380 ref(zero) = 0.020 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 514 ng Mean aerosol black carbon concentration = 498 ng/m3 --- The reference beam showed lamp intensity fluctuations of 263 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.514 sen(zero) = 0.021 . ref(beam) = 2.310 ref(zero) = 0.020 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 451 ng Mean aerosol black carbon concentration = 436 ng/m3 --- The reference beam showed lamp intensity fluctuations of 355 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.363 sen(zero) = 0.021 . ref(beam) = 2.231 ref(zero) = 0.020 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 438 ng Mean aerosol black carbon concentration = 424 ng/m3 --- The reference beam showed lamp intensity fluctuations of 396 ppm. --- Disk space = 2.50495E+08 bytes free: One entry at every 5 minutes. There is space for 53251 hours ( 2219 days) more data --- 08-aug-10 06:15:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 774 --- 08-aug-10 06:24:56 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.020 . Lamp 1 (370 nm): sen(beam) = .881 ref(beam) = 1.299 . Lamp 2 (470 nm): sen(beam) = 1.626 ref(beam) = 1.586 . Lamp 3 (520 nm): sen(beam) = 1.601 ref(beam) = 2.033 . Lamp 4 (590 nm): sen(beam) = 1.423 ref(beam) = 2.689 . Lamp 5 (660 nm): sen(beam) = 2.115 ref(beam) = 2.370 . Lamp 6 (880 nm): sen(beam) = 1.753 ref(beam) = 2.309 . Lamp 7 (950 nm): sen(beam) = 1.558 ref(beam) = 2.231 ---