08-aug-12 22:14:15 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 28.33 hours . Total airflow this filter = 8.30 cubic meters . Mean BC concentration of all lamps = 9 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.247 sen(zero) = 0.021 . ref(beam) = 2.154 ref(zero) = 0.021 . Optical attenuation of filter deposit = 6 . Total aerosol black carbon on filter = 76 ng Mean aerosol black carbon concentration = 9 ng/m3 --- The reference beam showed lamp intensity fluctuations of 104 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 2.029 sen(zero) = 0.021 . ref(beam) = 2.370 ref(zero) = 0.021 . Optical attenuation of filter deposit = 4 . Total aerosol black carbon on filter = 73 ng Mean aerosol black carbon concentration = 8 ng/m3 --- The reference beam showed lamp intensity fluctuations of 71 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.351 sen(zero) = 0.021 . ref(beam) = 2.412 ref(zero) = 0.021 . Optical attenuation of filter deposit = 3 . Total aerosol black carbon on filter = 70 ng Mean aerosol black carbon concentration = 8 ng/m3 --- The reference beam showed lamp intensity fluctuations of 46 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.790 sen(zero) = 0.021 . ref(beam) = 1.189 ref(zero) = 0.021 . Optical attenuation of filter deposit = 3 . Total aerosol black carbon on filter = 71 ng Mean aerosol black carbon concentration = 8 ng/m3 --- The reference beam showed lamp intensity fluctuations of 392 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.294 sen(zero) = 0.021 . ref(beam) = 2.297 ref(zero) = 0.021 . Optical attenuation of filter deposit = 3 . Total aerosol black carbon on filter = 79 ng Mean aerosol black carbon concentration = 9 ng/m3 --- The reference beam showed lamp intensity fluctuations of 214 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.197 sen(zero) = 0.021 . ref(beam) = 3.385 ref(zero) = 0.021 . Optical attenuation of filter deposit = 3 . Total aerosol black carbon on filter = 92 ng Mean aerosol black carbon concentration = 11 ng/m3 --- The reference beam showed lamp intensity fluctuations of 242 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.727 sen(zero) = 0.021 . ref(beam) = 4.424 ref(zero) = 0.021 . Optical attenuation of filter deposit = 2 . Total aerosol black carbon on filter = 94 ng Mean aerosol black carbon concentration = 11 ng/m3 --- The reference beam showed lamp intensity fluctuations of 240 ppm. --- Disk space = 2.688768E+07 bytes free: One entry at every 5 minutes. There is space for 5716 hours ( 238 days) more data --- Disk space = 2.675046E+07 bytes free: One entry at every 5 minutes. There is space for 5687 hours ( 237 days) more data --- 08-aug-12 22:16:57 Tape feeder mechanism advancing for 1 spot(s). --- 08-aug-12 22:21:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 08-aug-12 22:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.303 ref(beam) = 2.135 . Lamp 2 (470 nm): sen(beam) = 2.105 ref(beam) = 2.360 . Lamp 3 (520 nm): sen(beam) = 1.400 ref(beam) = 2.419 . Lamp 4 (590 nm): sen(beam) = 1.831 ref(beam) = 1.176 . Lamp 5 (660 nm): sen(beam) = 2.358 ref(beam) = 2.275 . Lamp 6 (880 nm): sen(beam) = 2.267 ref(beam) = 3.378 . Lamp 7 (950 nm): sen(beam) = 1.759 ref(beam) = 4.384 ---