16-feb-13 10:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 47.91 hours . Total airflow this filter = 14.04 cubic meters . Mean BC concentration of all lamps = 97 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .491 sen(zero) = 0.021 . ref(beam) = 2.126 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1254 ng Mean aerosol black carbon concentration = 89 ng/m3 --- The reference beam showed lamp intensity fluctuations of 41 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .925 sen(zero) = 0.021 . ref(beam) = 2.345 ref(zero) = 0.021 . Optical attenuation of filter deposit = 82 . Total aerosol black carbon on filter = 1332 ng Mean aerosol black carbon concentration = 95 ng/m3 --- The reference beam showed lamp intensity fluctuations of 31 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .662 sen(zero) = 0.021 . ref(beam) = 2.405 ref(zero) = 0.021 . Optical attenuation of filter deposit = 74 . Total aerosol black carbon on filter = 1316 ng Mean aerosol black carbon concentration = 93 ng/m3 --- The reference beam showed lamp intensity fluctuations of 30 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .971 sen(zero) = 0.021 . ref(beam) = 1.232 ref(zero) = 0.021 . Optical attenuation of filter deposit = 67 . Total aerosol black carbon on filter = 1356 ng Mean aerosol black carbon concentration = 96 ng/m3 --- The reference beam showed lamp intensity fluctuations of 97 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.248 sen(zero) = 0.021 . ref(beam) = 2.244 ref(zero) = 0.021 . Optical attenuation of filter deposit = 62 . Total aerosol black carbon on filter = 1413 ng Mean aerosol black carbon concentration = 100 ng/m3 --- The reference beam showed lamp intensity fluctuations of 65 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.413 sen(zero) = 0.021 . ref(beam) = 3.483 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 1451 ng Mean aerosol black carbon concentration = 103 ng/m3 --- The reference beam showed lamp intensity fluctuations of 64 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.150 sen(zero) = 0.021 . ref(beam) = 4.458 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 1439 ng Mean aerosol black carbon concentration = 102 ng/m3 --- The reference beam showed lamp intensity fluctuations of 63 ppm. --- Disk space = 2.646426E+07 bytes free: One entry at every 5 minutes. There is space for 5626 hours ( 234 days) more data --- 16-feb-13 10:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 16-feb-13 10:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.307 ref(beam) = 2.124 . Lamp 2 (470 nm): sen(beam) = 2.121 ref(beam) = 2.343 . Lamp 3 (520 nm): sen(beam) = 1.399 ref(beam) = 2.410 . Lamp 4 (590 nm): sen(beam) = 1.903 ref(beam) = 1.223 . Lamp 5 (660 nm): sen(beam) = 2.342 ref(beam) = 2.244 . Lamp 6 (880 nm): sen(beam) = 2.308 ref(beam) = 3.481 . Lamp 7 (950 nm): sen(beam) = 1.791 ref(beam) = 4.444 ---