06-mar-12 16:35:19 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 43.83 hours . Total airflow this filter = 12.85 cubic meters . Mean BC concentration of all lamps = 58 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .545 sen(zero) = 0.021 . ref(beam) = 2.230 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 762 ng Mean aerosol black carbon concentration = 59 ng/m3 --- The reference beam showed lamp intensity fluctuations of 43 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.020 sen(zero) = 0.021 . ref(beam) = 2.430 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 779 ng Mean aerosol black carbon concentration = 60 ng/m3 --- The reference beam showed lamp intensity fluctuations of 37 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .747 sen(zero) = 0.021 . ref(beam) = 2.493 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 741 ng Mean aerosol black carbon concentration = 57 ng/m3 --- The reference beam showed lamp intensity fluctuations of 35 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.115 sen(zero) = 0.021 . ref(beam) = 1.284 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 749 ng Mean aerosol black carbon concentration = 58 ng/m3 --- The reference beam showed lamp intensity fluctuations of 119 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.453 sen(zero) = 0.021 . ref(beam) = 2.450 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 768 ng Mean aerosol black carbon concentration = 59 ng/m3 --- The reference beam showed lamp intensity fluctuations of 79 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.630 sen(zero) = 0.021 . ref(beam) = 3.626 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 756 ng Mean aerosol black carbon concentration = 58 ng/m3 --- The reference beam showed lamp intensity fluctuations of 83 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.309 sen(zero) = 0.021 . ref(beam) = 4.684 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 739 ng Mean aerosol black carbon concentration = 57 ng/m3 --- The reference beam showed lamp intensity fluctuations of 83 ppm. --- Disk space = 3.074458E+07 bytes free: One entry at every 5 minutes. There is space for 6536 hours ( 272 days) more data --- Disk space = 3.053517E+07 bytes free: One entry at every 5 minutes. There is space for 6491 hours ( 270 days) more data --- 06-mar-12 19:54:35 Tape feeder mechanism advancing for 1 spot(s). --- 06-mar-12 19:56:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 06-mar-12 20:04:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .601 ref(beam) = 2.225 . Lamp 2 (470 nm): sen(beam) = 1.106 ref(beam) = 2.424 . Lamp 3 (520 nm): sen(beam) = .800 ref(beam) = 2.498 . Lamp 4 (590 nm): sen(beam) = 1.164 ref(beam) = 1.270 . Lamp 5 (660 nm): sen(beam) = 1.523 ref(beam) = 2.436 . Lamp 6 (880 nm): sen(beam) = 1.684 ref(beam) = 3.616 . Lamp 7 (950 nm): sen(beam) = 1.345 ref(beam) = 4.657 ---