23-jan-13 05:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 31.25 hours . Total airflow this filter = 9.15 cubic meters . Mean BC concentration of all lamps = 153 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .346 sen(zero) = 0.021 . ref(beam) = 2.223 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1255 ng Mean aerosol black carbon concentration = 137 ng/m3 --- The reference beam showed lamp intensity fluctuations of 85 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .670 sen(zero) = 0.021 . ref(beam) = 2.427 ref(zero) = 0.021 . Optical attenuation of filter deposit = 84 . Total aerosol black carbon on filter = 1363 ng Mean aerosol black carbon concentration = 149 ng/m3 --- The reference beam showed lamp intensity fluctuations of 69 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .490 sen(zero) = 0.021 . ref(beam) = 2.461 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 1356 ng Mean aerosol black carbon concentration = 148 ng/m3 --- The reference beam showed lamp intensity fluctuations of 59 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .785 sen(zero) = 0.021 . ref(beam) = 1.320 ref(zero) = 0.021 . Optical attenuation of filter deposit = 69 . Total aerosol black carbon on filter = 1399 ng Mean aerosol black carbon concentration = 153 ng/m3 --- The reference beam showed lamp intensity fluctuations of 346 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .963 sen(zero) = 0.021 . ref(beam) = 2.378 ref(zero) = 0.021 . Optical attenuation of filter deposit = 64 . Total aerosol black carbon on filter = 1457 ng Mean aerosol black carbon concentration = 159 ng/m3 --- The reference beam showed lamp intensity fluctuations of 206 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.202 sen(zero) = 0.021 . ref(beam) = 3.653 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 1516 ng Mean aerosol black carbon concentration = 165 ng/m3 --- The reference beam showed lamp intensity fluctuations of 224 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .986 sen(zero) = 0.021 . ref(beam) = 4.750 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 1487 ng Mean aerosol black carbon concentration = 162 ng/m3 --- The reference beam showed lamp intensity fluctuations of 206 ppm. --- Disk space = 2.542797E+07 bytes free: One entry at every 5 minutes. There is space for 5406 hours ( 225 days) more data --- 23-jan-13 05:25:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 23-jan-13 05:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.278 ref(beam) = 2.188 . Lamp 2 (470 nm): sen(beam) = 2.076 ref(beam) = 2.423 . Lamp 3 (520 nm): sen(beam) = 1.362 ref(beam) = 2.437 . Lamp 4 (590 nm): sen(beam) = 1.994 ref(beam) = 1.302 . Lamp 5 (660 nm): sen(beam) = 2.365 ref(beam) = 2.382 . Lamp 6 (880 nm): sen(beam) = 2.368 ref(beam) = 3.616 . Lamp 7 (950 nm): sen(beam) = 1.838 ref(beam) = 4.728 ---