10-jan-13 05:00:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 103.25 hours . Total airflow this filter = 30.25 cubic meters . Mean BC concentration of all lamps = 43 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .465 sen(zero) = 0.021 . ref(beam) = 2.203 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1253 ng Mean aerosol black carbon concentration = 41 ng/m3 --- The reference beam showed lamp intensity fluctuations of 65 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .887 sen(zero) = 0.021 . ref(beam) = 2.413 ref(zero) = 0.021 . Optical attenuation of filter deposit = 81 . Total aerosol black carbon on filter = 1310 ng Mean aerosol black carbon concentration = 43 ng/m3 --- The reference beam showed lamp intensity fluctuations of 45 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .640 sen(zero) = 0.021 . ref(beam) = 2.454 ref(zero) = 0.021 . Optical attenuation of filter deposit = 72 . Total aerosol black carbon on filter = 1286 ng Mean aerosol black carbon concentration = 42 ng/m3 --- The reference beam showed lamp intensity fluctuations of 40 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .931 sen(zero) = 0.021 . ref(beam) = 1.227 ref(zero) = 0.021 . Optical attenuation of filter deposit = 65 . Total aerosol black carbon on filter = 1316 ng Mean aerosol black carbon concentration = 43 ng/m3 --- The reference beam showed lamp intensity fluctuations of 191 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.206 sen(zero) = 0.021 . ref(beam) = 2.285 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 1350 ng Mean aerosol black carbon concentration = 44 ng/m3 --- The reference beam showed lamp intensity fluctuations of 113 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.372 sen(zero) = 0.021 . ref(beam) = 3.490 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 1411 ng Mean aerosol black carbon concentration = 46 ng/m3 --- The reference beam showed lamp intensity fluctuations of 119 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.118 sen(zero) = 0.021 . ref(beam) = 4.527 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 1380 ng Mean aerosol black carbon concentration = 45 ng/m3 --- The reference beam showed lamp intensity fluctuations of 121 ppm. --- Disk space = 2.723021E+07 bytes free: One entry at every 5 minutes. There is space for 5789 hours ( 241 days) more data --- 10-jan-13 05:00:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 10-jan-13 05:14:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .779 ref(beam) = 2.188 . Lamp 2 (470 nm): sen(beam) = 1.342 ref(beam) = 2.399 . Lamp 3 (520 nm): sen(beam) = .920 ref(beam) = 2.461 . Lamp 4 (590 nm): sen(beam) = 1.270 ref(beam) = 1.215 . Lamp 5 (660 nm): sen(beam) = 1.569 ref(beam) = 2.262 . Lamp 6 (880 nm): sen(beam) = 1.747 ref(beam) = 3.484 . Lamp 7 (950 nm): sen(beam) = 1.371 ref(beam) = 4.484 ---