22-jun-12 01:50:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 71.74 hours . Total airflow this filter = 21.03 cubic meters . Mean BC concentration of all lamps = 59 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .511 sen(zero) = 0.021 . ref(beam) = 2.175 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1254 ng Mean aerosol black carbon concentration = 59 ng/m3 --- The reference beam showed lamp intensity fluctuations of 88 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .989 sen(zero) = 0.021 . ref(beam) = 2.370 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 1257 ng Mean aerosol black carbon concentration = 59 ng/m3 --- The reference beam showed lamp intensity fluctuations of 55 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .722 sen(zero) = 0.021 . ref(beam) = 2.441 ref(zero) = 0.021 . Optical attenuation of filter deposit = 68 . Total aerosol black carbon on filter = 1210 ng Mean aerosol black carbon concentration = 57 ng/m3 --- The reference beam showed lamp intensity fluctuations of 48 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.017 sen(zero) = 0.021 . ref(beam) = 1.199 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 1220 ng Mean aerosol black carbon concentration = 58 ng/m3 --- The reference beam showed lamp intensity fluctuations of 319 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.391 sen(zero) = 0.021 . ref(beam) = 2.309 ref(zero) = 0.021 . Optical attenuation of filter deposit = 55 . Total aerosol black carbon on filter = 1257 ng Mean aerosol black carbon concentration = 59 ng/m3 --- The reference beam showed lamp intensity fluctuations of 163 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.477 sen(zero) = 0.021 . ref(beam) = 3.426 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 1305 ng Mean aerosol black carbon concentration = 62 ng/m3 --- The reference beam showed lamp intensity fluctuations of 184 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.209 sen(zero) = 0.021 . ref(beam) = 4.416 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 1272 ng Mean aerosol black carbon concentration = 60 ng/m3 --- The reference beam showed lamp intensity fluctuations of 180 ppm. --- Disk space = 2.590106E+07 bytes free: One entry at every 5 minutes. There is space for 5506 hours ( 229 days) more data --- 22-jun-12 01:50:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 22-jun-12 02:04:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.314 ref(beam) = 2.147 . Lamp 2 (470 nm): sen(beam) = 2.133 ref(beam) = 2.367 . Lamp 3 (520 nm): sen(beam) = 1.410 ref(beam) = 2.435 . Lamp 4 (590 nm): sen(beam) = 1.841 ref(beam) = 1.184 . Lamp 5 (660 nm): sen(beam) = 2.412 ref(beam) = 2.310 . Lamp 6 (880 nm): sen(beam) = 2.274 ref(beam) = 3.391 . Lamp 7 (950 nm): sen(beam) = 1.769 ref(beam) = 4.403 ---