16-jan-12 00:19:42 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 9.41 hours . Total airflow this filter = 2.76 cubic meters . Mean BC concentration of all lamps = 156 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .931 sen(zero) = 0.021 . ref(beam) = 2.254 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 429 ng Mean aerosol black carbon concentration = 156 ng/m3 --- The reference beam showed lamp intensity fluctuations of 44 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.609 sen(zero) = 0.021 . ref(beam) = 2.474 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 433 ng Mean aerosol black carbon concentration = 158 ng/m3 --- The reference beam showed lamp intensity fluctuations of 39 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.103 sen(zero) = 0.021 . ref(beam) = 2.521 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 421 ng Mean aerosol black carbon concentration = 153 ng/m3 --- The reference beam showed lamp intensity fluctuations of 38 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.594 sen(zero) = 0.021 . ref(beam) = 1.306 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 427 ng Mean aerosol black carbon concentration = 156 ng/m3 --- The reference beam showed lamp intensity fluctuations of 122 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.048 sen(zero) = 0.021 . ref(beam) = 2.515 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 435 ng Mean aerosol black carbon concentration = 159 ng/m3 --- The reference beam showed lamp intensity fluctuations of 74 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.067 sen(zero) = 0.021 . ref(beam) = 3.666 ref(zero) = 0.021 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 433 ng Mean aerosol black carbon concentration = 158 ng/m3 --- The reference beam showed lamp intensity fluctuations of 76 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.632 sen(zero) = 0.021 . ref(beam) = 4.792 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 422 ng Mean aerosol black carbon concentration = 154 ng/m3 --- The reference beam showed lamp intensity fluctuations of 71 ppm. --- Disk space = 2.964224E+07 bytes free: One entry at every 5 minutes. There is space for 6301 hours ( 263 days) more data --- Disk space = 2.959462E+07 bytes free: One entry at every 5 minutes. There is space for 6291 hours ( 262 days) more data --- 16-jan-12 01:27:43 Tape feeder mechanism advancing for 1 spot(s). --- 16-jan-12 01:31:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 16-jan-12 01:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.300 ref(beam) = 2.227 . Lamp 2 (470 nm): sen(beam) = 2.112 ref(beam) = 2.461 . Lamp 3 (520 nm): sen(beam) = 1.401 ref(beam) = 2.510 . Lamp 4 (590 nm): sen(beam) = 1.947 ref(beam) = 1.288 . Lamp 5 (660 nm): sen(beam) = 2.494 ref(beam) = 2.502 . Lamp 6 (880 nm): sen(beam) = 2.386 ref(beam) = 3.654 . Lamp 7 (950 nm): sen(beam) = 1.860 ref(beam) = 4.742 --- 16-jan-12 19:52:14 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 18.16 hours . Total airflow this filter = 5.32 cubic meters . Mean BC concentration of all lamps = 169 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .667 sen(zero) = 0.021 . ref(beam) = 2.228 ref(zero) = 0.021 . Optical attenuation of filter deposit = 67 . Total aerosol black carbon on filter = 858 ng Mean aerosol black carbon concentration = 161 ng/m3 --- The reference beam showed lamp intensity fluctuations of 31 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.215 sen(zero) = 0.021 . ref(beam) = 2.455 ref(zero) = 0.021 . Optical attenuation of filter deposit = 55 . Total aerosol black carbon on filter = 890 ng Mean aerosol black carbon concentration = 167 ng/m3 --- The reference beam showed lamp intensity fluctuations of 30 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .858 sen(zero) = 0.021 . ref(beam) = 2.500 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 875 ng Mean aerosol black carbon concentration = 165 ng/m3 --- The reference beam showed lamp intensity fluctuations of 29 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.239 sen(zero) = 0.021 . ref(beam) = 1.276 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 900 ng Mean aerosol black carbon concentration = 169 ng/m3 --- The reference beam showed lamp intensity fluctuations of 97 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.645 sen(zero) = 0.021 . ref(beam) = 2.480 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 921 ng Mean aerosol black carbon concentration = 173 ng/m3 --- The reference beam showed lamp intensity fluctuations of 62 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.734 sen(zero) = 0.021 . ref(beam) = 3.616 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 934 ng Mean aerosol black carbon concentration = 176 ng/m3 --- The reference beam showed lamp intensity fluctuations of 54 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.399 sen(zero) = 0.021 . ref(beam) = 4.707 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 909 ng Mean aerosol black carbon concentration = 171 ng/m3 --- The reference beam showed lamp intensity fluctuations of 54 ppm. --- Disk space = 2.959462E+07 bytes free: One entry at every 5 minutes. There is space for 6291 hours ( 262 days) more data --- Disk space = 2.950554E+07 bytes free: One entry at every 5 minutes. There is space for 6272 hours ( 261 days) more data --- 16-jan-12 23:17:09 Tape feeder mechanism advancing for 1 spot(s). --- 16-jan-12 23:21:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 16-jan-12 23:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.188 ref(beam) = 2.216 . Lamp 2 (470 nm): sen(beam) = 1.962 ref(beam) = 2.438 . Lamp 3 (520 nm): sen(beam) = 1.306 ref(beam) = 2.491 . Lamp 4 (590 nm): sen(beam) = 1.804 ref(beam) = 1.261 . Lamp 5 (660 nm): sen(beam) = 2.309 ref(beam) = 2.456 . Lamp 6 (880 nm): sen(beam) = 2.245 ref(beam) = 3.587 . Lamp 7 (950 nm): sen(beam) = 1.742 ref(beam) = 4.677 ---