20-mar-13 03:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 24.75 hours . Total airflow this filter = 7.25 cubic meters . Mean BC concentration of all lamps = 184 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .481 sen(zero) = 0.021 . ref(beam) = 2.108 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1253 ng Mean aerosol black carbon concentration = 173 ng/m3 --- The reference beam showed lamp intensity fluctuations of 99 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .880 sen(zero) = 0.021 . ref(beam) = 2.279 ref(zero) = 0.021 . Optical attenuation of filter deposit = 82 . Total aerosol black carbon on filter = 1334 ng Mean aerosol black carbon concentration = 184 ng/m3 --- The reference beam showed lamp intensity fluctuations of 72 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .636 sen(zero) = 0.021 . ref(beam) = 2.356 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 1337 ng Mean aerosol black carbon concentration = 185 ng/m3 --- The reference beam showed lamp intensity fluctuations of 52 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .914 sen(zero) = 0.021 . ref(beam) = 1.178 ref(zero) = 0.021 . Optical attenuation of filter deposit = 67 . Total aerosol black carbon on filter = 1363 ng Mean aerosol black carbon concentration = 188 ng/m3 --- The reference beam showed lamp intensity fluctuations of 340 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.199 sen(zero) = 0.021 . ref(beam) = 2.140 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 1348 ng Mean aerosol black carbon concentration = 186 ng/m3 --- The reference beam showed lamp intensity fluctuations of 198 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.386 sen(zero) = 0.021 . ref(beam) = 3.324 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 1353 ng Mean aerosol black carbon concentration = 187 ng/m3 --- The reference beam showed lamp intensity fluctuations of 214 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.127 sen(zero) = 0.021 . ref(beam) = 4.288 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 1327 ng Mean aerosol black carbon concentration = 183 ng/m3 --- The reference beam showed lamp intensity fluctuations of 209 ppm. --- Disk space = 2.561075E+07 bytes free: One entry at every 5 minutes. There is space for 5444 hours ( 227 days) more data --- 20-mar-13 03:05:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 20-mar-13 03:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.293 ref(beam) = 2.070 . Lamp 2 (470 nm): sen(beam) = 2.088 ref(beam) = 2.291 . Lamp 3 (520 nm): sen(beam) = 1.365 ref(beam) = 2.357 . Lamp 4 (590 nm): sen(beam) = 1.810 ref(beam) = 1.172 . Lamp 5 (660 nm): sen(beam) = 2.285 ref(beam) = 2.169 . Lamp 6 (880 nm): sen(beam) = 2.230 ref(beam) = 3.341 . Lamp 7 (950 nm): sen(beam) = 1.739 ref(beam) = 4.297 ---