24-feb-12 22:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 50.41 hours . Total airflow this filter = 14.78 cubic meters . Mean BC concentration of all lamps = 93 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .504 sen(zero) = 0.021 . ref(beam) = 2.242 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1253 ng Mean aerosol black carbon concentration = 84 ng/m3 --- The reference beam showed lamp intensity fluctuations of 56 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .925 sen(zero) = 0.021 . ref(beam) = 2.449 ref(zero) = 0.021 . Optical attenuation of filter deposit = 83 . Total aerosol black carbon on filter = 1350 ng Mean aerosol black carbon concentration = 91 ng/m3 --- The reference beam showed lamp intensity fluctuations of 45 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .666 sen(zero) = 0.021 . ref(beam) = 2.505 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 1345 ng Mean aerosol black carbon concentration = 91 ng/m3 --- The reference beam showed lamp intensity fluctuations of 38 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .968 sen(zero) = 0.021 . ref(beam) = 1.275 ref(zero) = 0.021 . Optical attenuation of filter deposit = 69 . Total aerosol black carbon on filter = 1394 ng Mean aerosol black carbon concentration = 94 ng/m3 --- The reference beam showed lamp intensity fluctuations of 161 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.320 sen(zero) = 0.021 . ref(beam) = 2.460 ref(zero) = 0.021 . Optical attenuation of filter deposit = 63 . Total aerosol black carbon on filter = 1432 ng Mean aerosol black carbon concentration = 97 ng/m3 --- The reference beam showed lamp intensity fluctuations of 101 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.443 sen(zero) = 0.021 . ref(beam) = 3.613 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 1481 ng Mean aerosol black carbon concentration = 100 ng/m3 --- The reference beam showed lamp intensity fluctuations of 106 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.183 sen(zero) = 0.021 . ref(beam) = 4.694 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 1447 ng Mean aerosol black carbon concentration = 98 ng/m3 --- The reference beam showed lamp intensity fluctuations of 104 ppm. --- Disk space = 2.872371E+07 bytes free: One entry at every 5 minutes. There is space for 6106 hours ( 254 days) more data --- 24-feb-12 22:35:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 24-feb-12 22:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .907 ref(beam) = 2.240 . Lamp 2 (470 nm): sen(beam) = 1.531 ref(beam) = 2.469 . Lamp 3 (520 nm): sen(beam) = 1.031 ref(beam) = 2.511 . Lamp 4 (590 nm): sen(beam) = 1.453 ref(beam) = 1.265 . Lamp 5 (660 nm): sen(beam) = 1.840 ref(beam) = 2.483 . Lamp 6 (880 nm): sen(beam) = 1.933 ref(beam) = 3.614 . Lamp 7 (950 nm): sen(beam) = 1.507 ref(beam) = 4.703 --- 24-feb-12 23:20:15 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = .5 hours . Total airflow this filter = .14 cubic meters . Mean BC concentration of all lamps = 92 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .898 sen(zero) = 0.021 . ref(beam) = 2.249 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 10 ng Mean aerosol black carbon concentration = 83 ng/m3 --- The reference beam showed lamp intensity fluctuations of 359 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.519 sen(zero) = 0.021 . ref(beam) = 2.477 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 11 ng Mean aerosol black carbon concentration = 90 ng/m3 --- The reference beam showed lamp intensity fluctuations of 334 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.022 sen(zero) = 0.021 . ref(beam) = 2.512 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 11 ng Mean aerosol black carbon concentration = 90 ng/m3 --- The reference beam showed lamp intensity fluctuations of 374 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.460 sen(zero) = 0.021 . ref(beam) = 1.280 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 11 ng Mean aerosol black carbon concentration = 93 ng/m3 --- The reference beam showed lamp intensity fluctuations of 998 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.836 sen(zero) = 0.021 . ref(beam) = 2.496 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 11 ng Mean aerosol black carbon concentration = 95 ng/m3 --- The reference beam showed lamp intensity fluctuations of 703 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.928 sen(zero) = 0.021 . ref(beam) = 3.626 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 12 ng Mean aerosol black carbon concentration = 99 ng/m3 --- The reference beam showed lamp intensity fluctuations of 650 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.508 sen(zero) = 0.021 . ref(beam) = 4.728 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 11 ng Mean aerosol black carbon concentration = 94 ng/m3 --- The reference beam showed lamp intensity fluctuations of 673 ppm. --- Disk space = 2.848256E+07 bytes free: One entry at every 5 minutes. There is space for 6055 hours ( 252 days) more data --- Disk space = 2.847693E+07 bytes free: One entry at every 5 minutes. There is space for 6054 hours ( 252 days) more data --- 24-feb-12 23:34:00 Tape feeder mechanism advancing for 1 spot(s). --- 24-feb-12 23:36:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 24-feb-12 23:44:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.310 ref(beam) = 2.223 . Lamp 2 (470 nm): sen(beam) = 2.115 ref(beam) = 2.441 . Lamp 3 (520 nm): sen(beam) = 1.402 ref(beam) = 2.497 . Lamp 4 (590 nm): sen(beam) = 1.913 ref(beam) = 1.260 . Lamp 5 (660 nm): sen(beam) = 2.469 ref(beam) = 2.443 . Lamp 6 (880 nm): sen(beam) = 2.342 ref(beam) = 3.595 . Lamp 7 (950 nm): sen(beam) = 1.826 ref(beam) = 4.634 ---