18-mar-10 04:50:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 34.5 hours . Total airflow this filter = 10.13 cubic meters . Mean BC concentration of all lamps = 129 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .480 sen(zero) = 0.021 . ref(beam) = 2.178 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1254 ng Mean aerosol black carbon concentration = 124 ng/m3 --- The reference beam showed lamp intensity fluctuations of 48 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .852 sen(zero) = 0.021 . ref(beam) = 2.152 ref(zero) = 0.021 . Optical attenuation of filter deposit = 80 . Total aerosol black carbon on filter = 1294 ng Mean aerosol black carbon concentration = 128 ng/m3 --- The reference beam showed lamp intensity fluctuations of 41 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .669 sen(zero) = 0.021 . ref(beam) = 2.443 ref(zero) = 0.021 . Optical attenuation of filter deposit = 70 . Total aerosol black carbon on filter = 1262 ng Mean aerosol black carbon concentration = 124 ng/m3 --- The reference beam showed lamp intensity fluctuations of 39 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .922 sen(zero) = 0.021 . ref(beam) = 1.171 ref(zero) = 0.021 . Optical attenuation of filter deposit = 64 . Total aerosol black carbon on filter = 1305 ng Mean aerosol black carbon concentration = 129 ng/m3 --- The reference beam showed lamp intensity fluctuations of 129 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.543 sen(zero) = 0.021 . ref(beam) = 2.762 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 1338 ng Mean aerosol black carbon concentration = 132 ng/m3 --- The reference beam showed lamp intensity fluctuations of 85 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.430 sen(zero) = 0.021 . ref(beam) = 3.437 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 1378 ng Mean aerosol black carbon concentration = 136 ng/m3 --- The reference beam showed lamp intensity fluctuations of 84 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.179 sen(zero) = 0.021 . ref(beam) = 4.497 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 1343 ng Mean aerosol black carbon concentration = 132 ng/m3 --- The reference beam showed lamp intensity fluctuations of 86 ppm. --- Disk space = 3.215053E+07 bytes free: One entry at every 5 minutes. There is space for 6835 hours ( 285 days) more data --- 18-mar-10 04:50:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 18-mar-10 05:04:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.190 ref(beam) = 2.181 . Lamp 2 (470 nm): sen(beam) = 1.801 ref(beam) = 2.176 . Lamp 3 (520 nm): sen(beam) = 1.257 ref(beam) = 2.465 . Lamp 4 (590 nm): sen(beam) = 1.572 ref(beam) = 1.171 . Lamp 5 (660 nm): sen(beam) = 2.659 ref(beam) = 2.796 . Lamp 6 (880 nm): sen(beam) = 2.095 ref(beam) = 3.469 . Lamp 7 (950 nm): sen(beam) = 1.699 ref(beam) = 4.508 --- 18-mar-10 23:04:51 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 17.91 hours . Total airflow this filter = 5.26 cubic meters . Mean BC concentration of all lamps = 45 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .964 sen(zero) = 0.021 . ref(beam) = 2.181 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 263 ng Mean aerosol black carbon concentration = 50 ng/m3 --- The reference beam showed lamp intensity fluctuations of 105 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.533 sen(zero) = 0.021 . ref(beam) = 2.168 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 250 ng Mean aerosol black carbon concentration = 47 ng/m3 --- The reference beam showed lamp intensity fluctuations of 83 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.095 sen(zero) = 0.021 . ref(beam) = 2.452 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 235 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 63 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.388 sen(zero) = 0.021 . ref(beam) = 1.163 ref(zero) = 0.021 . Optical attenuation of filter deposit = 11 . Total aerosol black carbon on filter = 238 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 332 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.366 sen(zero) = 0.021 . ref(beam) = 2.769 ref(zero) = 0.021 . Optical attenuation of filter deposit = 10 . Total aerosol black carbon on filter = 236 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 223 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.918 sen(zero) = 0.021 . ref(beam) = 3.431 ref(zero) = 0.021 . Optical attenuation of filter deposit = 7 . Total aerosol black carbon on filter = 231 ng Mean aerosol black carbon concentration = 44 ng/m3 --- The reference beam showed lamp intensity fluctuations of 237 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.574 sen(zero) = 0.021 . ref(beam) = 4.468 ref(zero) = 0.021 . Optical attenuation of filter deposit = 6 . Total aerosol black carbon on filter = 220 ng Mean aerosol black carbon concentration = 42 ng/m3 --- The reference beam showed lamp intensity fluctuations of 226 ppm. --- Disk space = 3.19831E+07 bytes free: One entry at every 5 minutes. There is space for 6799 hours ( 283 days) more data --- Disk space = 3.189606E+07 bytes free: One entry at every 5 minutes. There is space for 6781 hours ( 283 days) more data --- 18-mar-10 23:05:27 Tape feeder mechanism advancing for 1 spot(s). --- 18-mar-10 23:07:04 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 17.91 hours . Total airflow this filter = 5.26 cubic meters . Mean BC concentration of all lamps = 45 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .964 sen(zero) = 0.021 . ref(beam) = 2.181 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 263 ng Mean aerosol black carbon concentration = 50 ng/m3 --- The reference beam showed lamp intensity fluctuations of 105 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.533 sen(zero) = 0.021 . ref(beam) = 2.168 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 250 ng Mean aerosol black carbon concentration = 47 ng/m3 --- The reference beam showed lamp intensity fluctuations of 83 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.095 sen(zero) = 0.021 . ref(beam) = 2.452 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 235 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 63 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.388 sen(zero) = 0.021 . ref(beam) = 1.163 ref(zero) = 0.021 . Optical attenuation of filter deposit = 11 . Total aerosol black carbon on filter = 238 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 332 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.366 sen(zero) = 0.021 . ref(beam) = 2.769 ref(zero) = 0.021 . Optical attenuation of filter deposit = 10 . Total aerosol black carbon on filter = 236 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 223 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.918 sen(zero) = 0.021 . ref(beam) = 3.431 ref(zero) = 0.021 . Optical attenuation of filter deposit = 7 . Total aerosol black carbon on filter = 231 ng Mean aerosol black carbon concentration = 44 ng/m3 --- The reference beam showed lamp intensity fluctuations of 237 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.574 sen(zero) = 0.021 . ref(beam) = 4.468 ref(zero) = 0.021 . Optical attenuation of filter deposit = 6 . Total aerosol black carbon on filter = 220 ng Mean aerosol black carbon concentration = 42 ng/m3 --- The reference beam showed lamp intensity fluctuations of 226 ppm. --- Disk space = 3.189606E+07 bytes free: One entry at every 5 minutes. There is space for 6781 hours ( 283 days) more data --- Disk space = 3.189299E+07 bytes free: One entry at every 5 minutes. There is space for 6780 hours ( 282 days) more data --- 18-mar-10 23:30:56 Tape feeder mechanism advancing for 1 spot(s). --- 18-mar-10 23:36:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 18-mar-10 23:44:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.349 ref(beam) = 2.190 . Lamp 2 (470 nm): sen(beam) = 1.981 ref(beam) = 2.178 . Lamp 3 (520 nm): sen(beam) = 1.440 ref(beam) = 2.481 . Lamp 4 (590 nm): sen(beam) = 1.792 ref(beam) = 1.163 . Lamp 5 (660 nm): sen(beam) = 2.895 ref(beam) = 2.767 . Lamp 6 (880 nm): sen(beam) = 2.312 ref(beam) = 3.452 . Lamp 7 (950 nm): sen(beam) = 1.819 ref(beam) = 4.468 ---