07-aug-12 17:25:59 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 23.91 hours . Total airflow this filter = 7.01 cubic meters . Mean BC concentration of all lamps = 12 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.219 sen(zero) = 0.021 . ref(beam) = 2.152 ref(zero) = 0.021 . Optical attenuation of filter deposit = 6 . Total aerosol black carbon on filter = 81 ng Mean aerosol black carbon concentration = 11 ng/m3 --- The reference beam showed lamp intensity fluctuations of 96 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 2.013 sen(zero) = 0.021 . ref(beam) = 2.383 ref(zero) = 0.021 . Optical attenuation of filter deposit = 4 . Total aerosol black carbon on filter = 71 ng Mean aerosol black carbon concentration = 10 ng/m3 --- The reference beam showed lamp intensity fluctuations of 66 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.331 sen(zero) = 0.021 . ref(beam) = 2.413 ref(zero) = 0.021 . Optical attenuation of filter deposit = 4 . Total aerosol black carbon on filter = 72 ng Mean aerosol black carbon concentration = 10 ng/m3 --- The reference beam showed lamp intensity fluctuations of 49 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.761 sen(zero) = 0.021 . ref(beam) = 1.188 ref(zero) = 0.021 . Optical attenuation of filter deposit = 3 . Total aerosol black carbon on filter = 76 ng Mean aerosol black carbon concentration = 10 ng/m3 --- The reference beam showed lamp intensity fluctuations of 333 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.273 sen(zero) = 0.021 . ref(beam) = 2.314 ref(zero) = 0.021 . Optical attenuation of filter deposit = 3 . Total aerosol black carbon on filter = 80 ng Mean aerosol black carbon concentration = 11 ng/m3 --- The reference beam showed lamp intensity fluctuations of 173 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.161 sen(zero) = 0.021 . ref(beam) = 3.384 ref(zero) = 0.021 . Optical attenuation of filter deposit = 3 . Total aerosol black carbon on filter = 109 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 192 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.694 sen(zero) = 0.021 . ref(beam) = 4.434 ref(zero) = 0.021 . Optical attenuation of filter deposit = 3 . Total aerosol black carbon on filter = 107 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 184 ppm. --- Disk space = 2.70039E+07 bytes free: One entry at every 5 minutes. There is space for 5741 hours ( 239 days) more data --- Disk space = 2.688768E+07 bytes free: One entry at every 5 minutes. There is space for 5716 hours ( 238 days) more data --- 07-aug-12 17:35:16 Tape feeder mechanism advancing for 1 spot(s). --- 07-aug-12 17:41:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 07-aug-12 17:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.308 ref(beam) = 2.126 . Lamp 2 (470 nm): sen(beam) = 2.113 ref(beam) = 2.357 . Lamp 3 (520 nm): sen(beam) = 1.404 ref(beam) = 2.409 . Lamp 4 (590 nm): sen(beam) = 1.820 ref(beam) = 1.169 . Lamp 5 (660 nm): sen(beam) = 2.358 ref(beam) = 2.279 . Lamp 6 (880 nm): sen(beam) = 2.251 ref(beam) = 3.361 . Lamp 7 (950 nm): sen(beam) = 1.761 ref(beam) = 4.383 ---