12-jun-10 14:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 114.41 hours . Total airflow this filter = 33.59 cubic meters . Mean BC concentration of all lamps = 37 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .529 sen(zero) = 0.021 . ref(beam) = 2.168 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1253 ng Mean aerosol black carbon concentration = 37 ng/m3 --- The reference beam showed lamp intensity fluctuations of 132 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .933 sen(zero) = 0.021 . ref(beam) = 2.146 ref(zero) = 0.021 . Optical attenuation of filter deposit = 78 . Total aerosol black carbon on filter = 1268 ng Mean aerosol black carbon concentration = 37 ng/m3 --- The reference beam showed lamp intensity fluctuations of 88 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .749 sen(zero) = 0.021 . ref(beam) = 2.449 ref(zero) = 0.021 . Optical attenuation of filter deposit = 68 . Total aerosol black carbon on filter = 1220 ng Mean aerosol black carbon concentration = 36 ng/m3 --- The reference beam showed lamp intensity fluctuations of 45 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.010 sen(zero) = 0.021 . ref(beam) = 1.156 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 1241 ng Mean aerosol black carbon concentration = 36 ng/m3 --- The reference beam showed lamp intensity fluctuations of 419 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.621 sen(zero) = 0.021 . ref(beam) = 2.618 ref(zero) = 0.021 . Optical attenuation of filter deposit = 56 . Total aerosol black carbon on filter = 1270 ng Mean aerosol black carbon concentration = 37 ng/m3 --- The reference beam showed lamp intensity fluctuations of 246 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.531 sen(zero) = 0.021 . ref(beam) = 3.384 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 1292 ng Mean aerosol black carbon concentration = 38 ng/m3 --- The reference beam showed lamp intensity fluctuations of 256 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.260 sen(zero) = 0.021 . ref(beam) = 4.378 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 1261 ng Mean aerosol black carbon concentration = 37 ng/m3 --- The reference beam showed lamp intensity fluctuations of 259 ppm. --- Disk space = 2.280858E+07 bytes free: One entry at every 5 minutes. There is space for 4849 hours ( 202 days) more data --- 12-jun-10 14:05:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 12-jun-10 14:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.343 ref(beam) = 2.160 . Lamp 2 (470 nm): sen(beam) = 1.987 ref(beam) = 2.168 . Lamp 3 (520 nm): sen(beam) = 1.444 ref(beam) = 2.457 . Lamp 4 (590 nm): sen(beam) = 1.813 ref(beam) = 1.152 . Lamp 5 (660 nm): sen(beam) = 2.799 ref(beam) = 2.646 . Lamp 6 (880 nm): sen(beam) = 2.301 ref(beam) = 3.390 . Lamp 7 (950 nm): sen(beam) = 1.805 ref(beam) = 4.404 ---