02-aug-10 21:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 21.66 hours . Total airflow this filter = 6.35 cubic meters . Mean BC concentration of all lamps = 206 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .491 sen(zero) = 0.021 . ref(beam) = 2.174 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1255 ng Mean aerosol black carbon concentration = 198 ng/m3 --- The reference beam showed lamp intensity fluctuations of 421 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .924 sen(zero) = 0.021 . ref(beam) = 2.273 ref(zero) = 0.021 . Optical attenuation of filter deposit = 80 . Total aerosol black carbon on filter = 1288 ng Mean aerosol black carbon concentration = 203 ng/m3 --- The reference beam showed lamp intensity fluctuations of 472 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .698 sen(zero) = 0.021 . ref(beam) = 2.451 ref(zero) = 0.021 . Optical attenuation of filter deposit = 71 . Total aerosol black carbon on filter = 1263 ng Mean aerosol black carbon concentration = 199 ng/m3 --- The reference beam showed lamp intensity fluctuations of 476 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .937 sen(zero) = 0.021 . ref(beam) = 1.148 ref(zero) = 0.021 . Optical attenuation of filter deposit = 64 . Total aerosol black carbon on filter = 1291 ng Mean aerosol black carbon concentration = 203 ng/m3 --- The reference beam showed lamp intensity fluctuations of 485 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.481 sen(zero) = 0.021 . ref(beam) = 2.579 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 1334 ng Mean aerosol black carbon concentration = 210 ng/m3 --- The reference beam showed lamp intensity fluctuations of 470 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.425 sen(zero) = 0.021 . ref(beam) = 3.343 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 1376 ng Mean aerosol black carbon concentration = 217 ng/m3 --- The reference beam showed lamp intensity fluctuations of 485 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.175 sen(zero) = 0.021 . ref(beam) = 4.393 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 1346 ng Mean aerosol black carbon concentration = 212 ng/m3 --- The reference beam showed lamp intensity fluctuations of 568 ppm. --- Disk space = 1.657958E+07 bytes free: One entry at every 5 minutes. There is space for 3525 hours ( 147 days) more data --- 02-aug-10 21:25:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 02-aug-10 21:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.338 ref(beam) = 2.187 . Lamp 2 (470 nm): sen(beam) = 2.111 ref(beam) = 2.309 . Lamp 3 (520 nm): sen(beam) = 1.450 ref(beam) = 2.491 . Lamp 4 (590 nm): sen(beam) = 1.795 ref(beam) = 1.154 . Lamp 5 (660 nm): sen(beam) = 2.738 ref(beam) = 2.617 . Lamp 6 (880 nm): sen(beam) = 2.287 ref(beam) = 3.382 . Lamp 7 (950 nm): sen(beam) = 1.797 ref(beam) = 4.421 ---