05-nov-12 23:50:28 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 96.91 hours . Total airflow this filter = 28.4 cubic meters . Mean BC concentration of all lamps = 44 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .543 sen(zero) = 0.021 . ref(beam) = 2.216 ref(zero) = 0.021 . Optical attenuation of filter deposit = 91 . Total aerosol black carbon on filter = 1154 ng Mean aerosol black carbon concentration = 40 ng/m3 --- The reference beam showed lamp intensity fluctuations of 45 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.001 sen(zero) = 0.021 . ref(beam) = 2.416 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 1215 ng Mean aerosol black carbon concentration = 42 ng/m3 --- The reference beam showed lamp intensity fluctuations of 33 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .710 sen(zero) = 0.021 . ref(beam) = 2.460 ref(zero) = 0.021 . Optical attenuation of filter deposit = 67 . Total aerosol black carbon on filter = 1205 ng Mean aerosol black carbon concentration = 42 ng/m3 --- The reference beam showed lamp intensity fluctuations of 33 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.028 sen(zero) = 0.021 . ref(beam) = 1.253 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 1239 ng Mean aerosol black carbon concentration = 43 ng/m3 --- The reference beam showed lamp intensity fluctuations of 102 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.340 sen(zero) = 0.021 . ref(beam) = 2.314 ref(zero) = 0.021 . Optical attenuation of filter deposit = 56 . Total aerosol black carbon on filter = 1271 ng Mean aerosol black carbon concentration = 44 ng/m3 --- The reference beam showed lamp intensity fluctuations of 64 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.474 sen(zero) = 0.021 . ref(beam) = 3.526 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 1345 ng Mean aerosol black carbon concentration = 47 ng/m3 --- The reference beam showed lamp intensity fluctuations of 68 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.203 sen(zero) = 0.021 . ref(beam) = 4.584 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 1314 ng Mean aerosol black carbon concentration = 46 ng/m3 --- The reference beam showed lamp intensity fluctuations of 67 ppm. --- Disk space = 2.756608E+07 bytes free: One entry at every 5 minutes. There is space for 5860 hours ( 244 days) more data --- Disk space = 2.710733E+07 bytes free: One entry at every 5 minutes. There is space for 5763 hours ( 240 days) more data --- 05-nov-12 23:52:31 Tape feeder mechanism advancing for 1 spot(s). --- 05-nov-12 23:55:59 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 06-nov-12 00:04:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.316 ref(beam) = 2.188 . Lamp 2 (470 nm): sen(beam) = 2.117 ref(beam) = 2.406 . Lamp 3 (520 nm): sen(beam) = 1.395 ref(beam) = 2.452 . Lamp 4 (590 nm): sen(beam) = 1.891 ref(beam) = 1.237 . Lamp 5 (660 nm): sen(beam) = 2.348 ref(beam) = 2.311 . Lamp 6 (880 nm): sen(beam) = 2.302 ref(beam) = 3.495 . Lamp 7 (950 nm): sen(beam) = 1.790 ref(beam) = 4.558 ---