10-jan-12 17:39:11 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 22.75 hours . Total airflow this filter = 6.67 cubic meters . Mean BC concentration of all lamps = 58 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .947 sen(zero) = 0.021 . ref(beam) = 2.268 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 393 ng Mean aerosol black carbon concentration = 59 ng/m3 --- The reference beam showed lamp intensity fluctuations of 46 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.636 sen(zero) = 0.021 . ref(beam) = 2.488 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 395 ng Mean aerosol black carbon concentration = 59 ng/m3 --- The reference beam showed lamp intensity fluctuations of 41 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.110 sen(zero) = 0.021 . ref(beam) = 2.536 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 386 ng Mean aerosol black carbon concentration = 58 ng/m3 --- The reference beam showed lamp intensity fluctuations of 41 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.599 sen(zero) = 0.021 . ref(beam) = 1.319 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 389 ng Mean aerosol black carbon concentration = 58 ng/m3 --- The reference beam showed lamp intensity fluctuations of 128 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.077 sen(zero) = 0.021 . ref(beam) = 2.533 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 395 ng Mean aerosol black carbon concentration = 59 ng/m3 --- The reference beam showed lamp intensity fluctuations of 74 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.054 sen(zero) = 0.021 . ref(beam) = 3.699 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 400 ng Mean aerosol black carbon concentration = 60 ng/m3 --- The reference beam showed lamp intensity fluctuations of 83 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.636 sen(zero) = 0.021 . ref(beam) = 4.819 ref(zero) = 0.021 . Optical attenuation of filter deposit = 11 . Total aerosol black carbon on filter = 383 ng Mean aerosol black carbon concentration = 57 ng/m3 --- The reference beam showed lamp intensity fluctuations of 81 ppm. --- Disk space = 3.028326E+07 bytes free: One entry at every 5 minutes. There is space for 6438 hours ( 268 days) more data --- Disk space = 3.017267E+07 bytes free: One entry at every 5 minutes. There is space for 6414 hours ( 267 days) more data --- 10-jan-12 18:28:24 Tape feeder mechanism advancing for 1 spot(s). --- 10-jan-12 18:31:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 10-jan-12 18:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.332 ref(beam) = 2.265 . Lamp 2 (470 nm): sen(beam) = 2.149 ref(beam) = 2.502 . Lamp 3 (520 nm): sen(beam) = 1.424 ref(beam) = 2.549 . Lamp 4 (590 nm): sen(beam) = 1.982 ref(beam) = 1.311 . Lamp 5 (660 nm): sen(beam) = 2.532 ref(beam) = 2.548 . Lamp 6 (880 nm): sen(beam) = 2.419 ref(beam) = 3.713 . Lamp 7 (950 nm): sen(beam) = 1.881 ref(beam) = 4.839 ---