02-feb-12 18:02:31 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 22.58 hours . Total airflow this filter = 6.62 cubic meters . Mean BC concentration of all lamps = 52 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .973 sen(zero) = 0.021 . ref(beam) = 2.279 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 347 ng Mean aerosol black carbon concentration = 52 ng/m3 --- The reference beam showed lamp intensity fluctuations of 48 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.669 sen(zero) = 0.021 . ref(beam) = 2.480 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 347 ng Mean aerosol black carbon concentration = 52 ng/m3 --- The reference beam showed lamp intensity fluctuations of 42 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.133 sen(zero) = 0.021 . ref(beam) = 2.537 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 340 ng Mean aerosol black carbon concentration = 51 ng/m3 --- The reference beam showed lamp intensity fluctuations of 45 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.673 sen(zero) = 0.021 . ref(beam) = 1.348 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 346 ng Mean aerosol black carbon concentration = 52 ng/m3 --- The reference beam showed lamp intensity fluctuations of 114 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.124 sen(zero) = 0.021 . ref(beam) = 2.551 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 351 ng Mean aerosol black carbon concentration = 53 ng/m3 --- The reference beam showed lamp intensity fluctuations of 78 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.104 sen(zero) = 0.021 . ref(beam) = 3.763 ref(zero) = 0.021 . Optical attenuation of filter deposit = 11 . Total aerosol black carbon on filter = 360 ng Mean aerosol black carbon concentration = 54 ng/m3 --- The reference beam showed lamp intensity fluctuations of 82 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.674 sen(zero) = 0.021 . ref(beam) = 4.872 ref(zero) = 0.021 . Optical attenuation of filter deposit = 10 . Total aerosol black carbon on filter = 349 ng Mean aerosol black carbon concentration = 53 ng/m3 --- The reference beam showed lamp intensity fluctuations of 80 ppm. --- Disk space = 3.108301E+07 bytes free: One entry at every 5 minutes. There is space for 6608 hours ( 275 days) more data --- Disk space = 3.097344E+07 bytes free: One entry at every 5 minutes. There is space for 6584 hours ( 274 days) more data --- 02-feb-12 18:38:42 Tape feeder mechanism advancing for 1 spot(s). --- 02-feb-12 18:41:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 02-feb-12 18:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.359 ref(beam) = 2.252 . Lamp 2 (470 nm): sen(beam) = 2.184 ref(beam) = 2.470 . Lamp 3 (520 nm): sen(beam) = 1.443 ref(beam) = 2.518 . Lamp 4 (590 nm): sen(beam) = 2.061 ref(beam) = 1.325 . Lamp 5 (660 nm): sen(beam) = 2.609 ref(beam) = 2.543 . Lamp 6 (880 nm): sen(beam) = 2.472 ref(beam) = 3.718 . Lamp 7 (950 nm): sen(beam) = 1.928 ref(beam) = 4.839 ---