01-nov-12 22:31:27 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 171.66 hours . Total airflow this filter = 50.3 cubic meters . Mean BC concentration of all lamps = 23 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .582 sen(zero) = 0.021 . ref(beam) = 2.163 ref(zero) = 0.021 . Optical attenuation of filter deposit = 84 . Total aerosol black carbon on filter = 1074 ng Mean aerosol black carbon concentration = 21 ng/m3 --- The reference beam showed lamp intensity fluctuations of 58 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.058 sen(zero) = 0.021 . ref(beam) = 2.377 ref(zero) = 0.021 . Optical attenuation of filter deposit = 70 . Total aerosol black carbon on filter = 1134 ng Mean aerosol black carbon concentration = 22 ng/m3 --- The reference beam showed lamp intensity fluctuations of 43 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .752 sen(zero) = 0.021 . ref(beam) = 2.396 ref(zero) = 0.021 . Optical attenuation of filter deposit = 62 . Total aerosol black carbon on filter = 1120 ng Mean aerosol black carbon concentration = 22 ng/m3 --- The reference beam showed lamp intensity fluctuations of 35 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.058 sen(zero) = 0.021 . ref(beam) = 1.200 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 1152 ng Mean aerosol black carbon concentration = 22 ng/m3 --- The reference beam showed lamp intensity fluctuations of 157 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.384 sen(zero) = 0.021 . ref(beam) = 2.270 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 1184 ng Mean aerosol black carbon concentration = 23 ng/m3 --- The reference beam showed lamp intensity fluctuations of 89 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.475 sen(zero) = 0.021 . ref(beam) = 3.388 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 1292 ng Mean aerosol black carbon concentration = 25 ng/m3 --- The reference beam showed lamp intensity fluctuations of 96 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.213 sen(zero) = 0.021 . ref(beam) = 4.470 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 1263 ng Mean aerosol black carbon concentration = 25 ng/m3 --- The reference beam showed lamp intensity fluctuations of 97 ppm. --- Disk space = 2.503629E+07 bytes free: One entry at every 5 minutes. There is space for 5322 hours ( 222 days) more data --- Disk space = 2.756608E+07 bytes free: One entry at every 5 minutes. There is space for 5860 hours ( 244 days) more data --- 01-nov-12 22:43:28 Tape feeder mechanism advancing for 1 spot(s). --- 01-nov-12 22:46:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 01-nov-12 22:54:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.293 ref(beam) = 2.164 . Lamp 2 (470 nm): sen(beam) = 2.093 ref(beam) = 2.397 . Lamp 3 (520 nm): sen(beam) = 1.373 ref(beam) = 2.448 . Lamp 4 (590 nm): sen(beam) = 1.812 ref(beam) = 1.208 . Lamp 5 (660 nm): sen(beam) = 2.302 ref(beam) = 2.275 . Lamp 6 (880 nm): sen(beam) = 2.243 ref(beam) = 3.449 . Lamp 7 (950 nm): sen(beam) = 1.750 ref(beam) = 4.473 ---