06-aug-12 17:04:22 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 288.58 hours . Total airflow this filter = 84.59 cubic meters . Mean BC concentration of all lamps = 15 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .502 sen(zero) = 0.021 . ref(beam) = 2.146 ref(zero) = 0.021 . Optical attenuation of filter deposit = 98 . Total aerosol black carbon on filter = 1242 ng Mean aerosol black carbon concentration = 14 ng/m3 --- The reference beam showed lamp intensity fluctuations of 214 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .950 sen(zero) = 0.021 . ref(beam) = 2.368 ref(zero) = 0.021 . Optical attenuation of filter deposit = 80 . Total aerosol black carbon on filter = 1299 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 204 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .689 sen(zero) = 0.021 . ref(beam) = 2.412 ref(zero) = 0.021 . Optical attenuation of filter deposit = 71 . Total aerosol black carbon on filter = 1274 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 203 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .970 sen(zero) = 0.021 . ref(beam) = 1.187 ref(zero) = 0.021 . Optical attenuation of filter deposit = 64 . Total aerosol black carbon on filter = 1298 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 354 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.314 sen(zero) = 0.021 . ref(beam) = 2.295 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 1336 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 280 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.428 sen(zero) = 0.021 . ref(beam) = 3.384 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 1380 ng Mean aerosol black carbon concentration = 16 ng/m3 --- The reference beam showed lamp intensity fluctuations of 303 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.169 sen(zero) = 0.021 . ref(beam) = 4.413 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 1346 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 317 ppm. --- Disk space = 2.499123E+07 bytes free: One entry at every 5 minutes. There is space for 5313 hours ( 221 days) more data --- Disk space = 2.70039E+07 bytes free: One entry at every 5 minutes. There is space for 5741 hours ( 239 days) more data --- 06-aug-12 17:18:11 Tape feeder mechanism advancing for 1 spot(s). --- 06-aug-12 17:21:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 06-aug-12 17:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.286 ref(beam) = 2.129 . Lamp 2 (470 nm): sen(beam) = 2.095 ref(beam) = 2.373 . Lamp 3 (520 nm): sen(beam) = 1.386 ref(beam) = 2.412 . Lamp 4 (590 nm): sen(beam) = 1.802 ref(beam) = 1.173 . Lamp 5 (660 nm): sen(beam) = 2.342 ref(beam) = 2.302 . Lamp 6 (880 nm): sen(beam) = 2.231 ref(beam) = 3.370 . Lamp 7 (950 nm): sen(beam) = 1.738 ref(beam) = 4.406 ---