08-mar-13 18:53:23 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 46.74 hours . Total airflow this filter = 13.7 cubic meters . Mean BC concentration of all lamps = 46 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .807 sen(zero) = 0.021 . ref(beam) = 2.141 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 583 ng Mean aerosol black carbon concentration = 42 ng/m3 --- The reference beam showed lamp intensity fluctuations of 52 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.411 sen(zero) = 0.021 . ref(beam) = 2.314 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 614 ng Mean aerosol black carbon concentration = 44 ng/m3 --- The reference beam showed lamp intensity fluctuations of 46 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .957 sen(zero) = 0.021 . ref(beam) = 2.399 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 610 ng Mean aerosol black carbon concentration = 44 ng/m3 --- The reference beam showed lamp intensity fluctuations of 38 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.421 sen(zero) = 0.021 . ref(beam) = 1.274 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 625 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 169 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.751 sen(zero) = 0.021 . ref(beam) = 2.256 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 643 ng Mean aerosol black carbon concentration = 47 ng/m3 --- The reference beam showed lamp intensity fluctuations of 108 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.828 sen(zero) = 0.021 . ref(beam) = 3.531 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 688 ng Mean aerosol black carbon concentration = 50 ng/m3 --- The reference beam showed lamp intensity fluctuations of 110 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.460 sen(zero) = 0.021 . ref(beam) = 4.517 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 662 ng Mean aerosol black carbon concentration = 48 ng/m3 --- The reference beam showed lamp intensity fluctuations of 114 ppm. --- Disk space = 2.69993E+07 bytes free: One entry at every 5 minutes. There is space for 5740 hours ( 239 days) more data --- Disk space = 2.677606E+07 bytes free: One entry at every 5 minutes. There is space for 5692 hours ( 237 days) more data --- 08-mar-13 19:10:18 Tape feeder mechanism advancing for 1 spot(s). --- 08-mar-13 19:16:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 08-mar-13 19:24:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.281 ref(beam) = 2.145 . Lamp 2 (470 nm): sen(beam) = 2.082 ref(beam) = 2.339 . Lamp 3 (520 nm): sen(beam) = 1.358 ref(beam) = 2.404 . Lamp 4 (590 nm): sen(beam) = 1.936 ref(beam) = 1.261 . Lamp 5 (660 nm): sen(beam) = 2.352 ref(beam) = 2.272 . Lamp 6 (880 nm): sen(beam) = 2.322 ref(beam) = 3.518 . Lamp 7 (950 nm): sen(beam) = 1.794 ref(beam) = 4.537 ---