02-jun-07 02:40:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 4.58 hours . Total airflow this filter = 1.08 cubic meters . Mean BC concentration of all lamps = 1533 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .285 sen(zero) = 0.021 . ref(beam) = 1.673 ref(zero) = 0.020 . Optical attenuation of filter deposit = 125 . Total aerosol black carbon on filter = 1584 ng Mean aerosol black carbon concentration = 1482 ng/m3 --- The reference beam showed lamp intensity fluctuations of 1473 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .499 sen(zero) = 0.021 . ref(beam) = 1.580 ref(zero) = 0.020 . Optical attenuation of filter deposit = 100 . Total aerosol black carbon on filter = 1623 ng Mean aerosol black carbon concentration = 1519 ng/m3 --- The reference beam showed lamp intensity fluctuations of 75 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .590 sen(zero) = 0.021 . ref(beam) = 2.064 ref(zero) = 0.020 . Optical attenuation of filter deposit = 89 . Total aerosol black carbon on filter = 1592 ng Mean aerosol black carbon concentration = 1490 ng/m3 --- The reference beam showed lamp intensity fluctuations of 59 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .590 sen(zero) = 0.021 . ref(beam) = 2.826 ref(zero) = 0.020 . Optical attenuation of filter deposit = 81 . Total aerosol black carbon on filter = 1644 ng Mean aerosol black carbon concentration = 1539 ng/m3 --- The reference beam showed lamp intensity fluctuations of 1182 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .991 sen(zero) = 0.021 . ref(beam) = 2.654 ref(zero) = 0.020 . Optical attenuation of filter deposit = 73 . Total aerosol black carbon on filter = 1663 ng Mean aerosol black carbon concentration = 1557 ng/m3 --- The reference beam showed lamp intensity fluctuations of 544 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .935 sen(zero) = 0.021 . ref(beam) = 2.410 ref(zero) = 0.020 . Optical attenuation of filter deposit = 56 . Total aerosol black carbon on filter = 1697 ng Mean aerosol black carbon concentration = 1588 ng/m3 --- The reference beam showed lamp intensity fluctuations of 774 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .835 sen(zero) = 0.021 . ref(beam) = 2.234 ref(zero) = 0.020 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 1665 ng Mean aerosol black carbon concentration = 1558 ng/m3 --- The reference beam showed lamp intensity fluctuations of 796 ppm. --- Disk space = 2.593792E+08 bytes free: One entry at every 5 minutes. There is space for 55140 hours ( 2298 days) more data --- 02-jun-07 02:40:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 774 --- 02-jun-07 02:49:56 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.020 . Lamp 1 (370 nm): sen(beam) = .927 ref(beam) = 1.589 . Lamp 2 (470 nm): sen(beam) = 1.370 ref(beam) = 1.594 . Lamp 3 (520 nm): sen(beam) = 1.448 ref(beam) = 2.084 . Lamp 4 (590 nm): sen(beam) = 1.310 ref(beam) = 2.795 . Lamp 5 (660 nm): sen(beam) = 2.105 ref(beam) = 2.674 . Lamp 6 (880 nm): sen(beam) = 1.661 ref(beam) = 2.438 . Lamp 7 (950 nm): sen(beam) = 1.416 ref(beam) = 2.263 --- 02-jun-07 08:20:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 5.5 hours . Total airflow this filter = 1.3 cubic meters . Mean BC concentration of all lamps = 1347 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .294 sen(zero) = 0.021 . ref(beam) = 1.749 ref(zero) = 0.020 . Optical attenuation of filter deposit = 126 . Total aerosol black carbon on filter = 1600 ng Mean aerosol black carbon concentration = 1245 ng/m3 --- The reference beam showed lamp intensity fluctuations of 574 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .485 sen(zero) = 0.021 . ref(beam) = 1.599 ref(zero) = 0.020 . Optical attenuation of filter deposit = 104 . Total aerosol black carbon on filter = 1681 ng Mean aerosol black carbon concentration = 1307 ng/m3 --- The reference beam showed lamp intensity fluctuations of 51 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .568 sen(zero) = 0.021 . ref(beam) = 2.087 ref(zero) = 0.020 . Optical attenuation of filter deposit = 94 . Total aerosol black carbon on filter = 1672 ng Mean aerosol black carbon concentration = 1301 ng/m3 --- The reference beam showed lamp intensity fluctuations of 49 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .586 sen(zero) = 0.021 . ref(beam) = 2.950 ref(zero) = 0.020 . Optical attenuation of filter deposit = 86 . Total aerosol black carbon on filter = 1745 ng Mean aerosol black carbon concentration = 1357 ng/m3 --- The reference beam showed lamp intensity fluctuations of 541 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .971 sen(zero) = 0.021 . ref(beam) = 2.723 ref(zero) = 0.020 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 1778 ng Mean aerosol black carbon concentration = 1383 ng/m3 --- The reference beam showed lamp intensity fluctuations of 255 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .925 sen(zero) = 0.021 . ref(beam) = 2.495 ref(zero) = 0.020 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 1833 ng Mean aerosol black carbon concentration = 1426 ng/m3 --- The reference beam showed lamp intensity fluctuations of 377 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .832 sen(zero) = 0.021 . ref(beam) = 2.315 ref(zero) = 0.020 . Optical attenuation of filter deposit = 55 . Total aerosol black carbon on filter = 1809 ng Mean aerosol black carbon concentration = 1407 ng/m3 --- The reference beam showed lamp intensity fluctuations of 371 ppm. --- Disk space = 2.593505E+08 bytes free: One entry at every 5 minutes. There is space for 55134 hours ( 2297 days) more data --- 02-jun-07 08:20:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 774 --- 02-jun-07 08:29:56 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.020 . Lamp 1 (370 nm): sen(beam) = .963 ref(beam) = 1.676 . Lamp 2 (470 nm): sen(beam) = 1.373 ref(beam) = 1.602 . Lamp 3 (520 nm): sen(beam) = 1.455 ref(beam) = 2.103 . Lamp 4 (590 nm): sen(beam) = 1.358 ref(beam) = 2.908 . Lamp 5 (660 nm): sen(beam) = 2.140 ref(beam) = 2.720 . Lamp 6 (880 nm): sen(beam) = 1.708 ref(beam) = 2.509 . Lamp 7 (950 nm): sen(beam) = 1.462 ref(beam) = 2.327 --- 02-jun-07 13:53:26 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 5.33 hours . Total airflow this filter = 1.26 cubic meters . Mean BC concentration of all lamps = 878 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .380 sen(zero) = 0.021 . ref(beam) = 1.555 ref(zero) = 0.020 . Optical attenuation of filter deposit = 85 . Total aerosol black carbon on filter = 1083 ng Mean aerosol black carbon concentration = 869 ng/m3 --- The reference beam showed lamp intensity fluctuations of 1952 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .685 sen(zero) = 0.021 . ref(beam) = 1.584 ref(zero) = 0.020 . Optical attenuation of filter deposit = 67 . Total aerosol black carbon on filter = 1083 ng Mean aerosol black carbon concentration = 869 ng/m3 --- The reference beam showed lamp intensity fluctuations of 215 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .787 sen(zero) = 0.021 . ref(beam) = 2.086 ref(zero) = 0.020 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 1062 ng Mean aerosol black carbon concentration = 852 ng/m3 --- The reference beam showed lamp intensity fluctuations of 190 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .721 sen(zero) = 0.021 . ref(beam) = 2.661 ref(zero) = 0.020 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 1093 ng Mean aerosol black carbon concentration = 877 ng/m3 --- The reference beam showed lamp intensity fluctuations of 1700 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.232 sen(zero) = 0.021 . ref(beam) = 2.586 ref(zero) = 0.020 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 1110 ng Mean aerosol black carbon concentration = 891 ng/m3 --- The reference beam showed lamp intensity fluctuations of 806 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.087 sen(zero) = 0.021 . ref(beam) = 2.325 ref(zero) = 0.020 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 1117 ng Mean aerosol black carbon concentration = 896 ng/m3 --- The reference beam showed lamp intensity fluctuations of 1163 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .953 sen(zero) = 0.021 . ref(beam) = 2.142 ref(zero) = 0.020 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 1111 ng Mean aerosol black carbon concentration = 891 ng/m3 --- The reference beam showed lamp intensity fluctuations of 1266 ppm. --- Disk space = 2.593219E+08 bytes free: One entry at every 5 minutes. There is space for 55128 hours ( 2297 days) more data ---