07-jun-11 17:26:33 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 137.83 hours . Total airflow this filter = 40.43 cubic meters . Mean BC concentration of all lamps = 8 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.056 sen(zero) = 0.021 . ref(beam) = 2.248 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 345 ng Mean aerosol black carbon concentration = 8 ng/m3 --- The reference beam showed lamp intensity fluctuations of 172 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.752 sen(zero) = 0.021 . ref(beam) = 2.455 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 353 ng Mean aerosol black carbon concentration = 8 ng/m3 --- The reference beam showed lamp intensity fluctuations of 115 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.197 sen(zero) = 0.021 . ref(beam) = 2.512 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 348 ng Mean aerosol black carbon concentration = 8 ng/m3 --- The reference beam showed lamp intensity fluctuations of 58 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.605 sen(zero) = 0.021 . ref(beam) = 1.223 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 357 ng Mean aerosol black carbon concentration = 8 ng/m3 --- The reference beam showed lamp intensity fluctuations of 593 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.226 sen(zero) = 0.021 . ref(beam) = 2.515 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 364 ng Mean aerosol black carbon concentration = 9 ng/m3 --- The reference beam showed lamp intensity fluctuations of 338 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.078 sen(zero) = 0.021 . ref(beam) = 3.515 ref(zero) = 0.021 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 373 ng Mean aerosol black carbon concentration = 9 ng/m3 --- The reference beam showed lamp intensity fluctuations of 368 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.647 sen(zero) = 0.021 . ref(beam) = 4.555 ref(zero) = 0.021 . Optical attenuation of filter deposit = 11 . Total aerosol black carbon on filter = 363 ng Mean aerosol black carbon concentration = 9 ng/m3 --- The reference beam showed lamp intensity fluctuations of 369 ppm. --- Disk space = 1.489562E+07 bytes free: One entry at every 5 minutes. There is space for 3167 hours ( 132 days) more data --- Disk space = 1.424486E+07 bytes free: One entry at every 5 minutes. There is space for 3028 hours ( 126 days) more data --- 07-jun-11 17:37:50 Tape feeder mechanism advancing for 1 spot(s). --- 07-jun-11 17:41:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 07-jun-11 17:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.383 ref(beam) = 2.196 . Lamp 2 (470 nm): sen(beam) = 2.206 ref(beam) = 2.442 . Lamp 3 (520 nm): sen(beam) = 1.468 ref(beam) = 2.501 . Lamp 4 (590 nm): sen(beam) = 1.892 ref(beam) = 1.204 . Lamp 5 (660 nm): sen(beam) = 2.639 ref(beam) = 2.508 . Lamp 6 (880 nm): sen(beam) = 2.348 ref(beam) = 3.488 . Lamp 7 (950 nm): sen(beam) = 1.843 ref(beam) = 4.529 ---