16-nov-11 18:14:38 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 47.49 hours . Total airflow this filter = 13.92 cubic meters . Mean BC concentration of all lamps = 24 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.068 sen(zero) = 0.021 . ref(beam) = 2.247 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 341 ng Mean aerosol black carbon concentration = 24 ng/m3 --- The reference beam showed lamp intensity fluctuations of 40 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.814 sen(zero) = 0.021 . ref(beam) = 2.444 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 335 ng Mean aerosol black carbon concentration = 24 ng/m3 --- The reference beam showed lamp intensity fluctuations of 33 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.225 sen(zero) = 0.021 . ref(beam) = 2.505 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 325 ng Mean aerosol black carbon concentration = 23 ng/m3 --- The reference beam showed lamp intensity fluctuations of 31 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.684 sen(zero) = 0.021 . ref(beam) = 1.253 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 333 ng Mean aerosol black carbon concentration = 23 ng/m3 --- The reference beam showed lamp intensity fluctuations of 109 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.245 sen(zero) = 0.021 . ref(beam) = 2.447 ref(zero) = 0.021 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 330 ng Mean aerosol black carbon concentration = 23 ng/m3 --- The reference beam showed lamp intensity fluctuations of 72 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.156 sen(zero) = 0.021 . ref(beam) = 3.556 ref(zero) = 0.021 . Optical attenuation of filter deposit = 11 . Total aerosol black carbon on filter = 343 ng Mean aerosol black carbon concentration = 24 ng/m3 --- The reference beam showed lamp intensity fluctuations of 69 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.716 sen(zero) = 0.021 . ref(beam) = 4.630 ref(zero) = 0.021 . Optical attenuation of filter deposit = 10 . Total aerosol black carbon on filter = 328 ng Mean aerosol black carbon concentration = 23 ng/m3 --- The reference beam showed lamp intensity fluctuations of 70 ppm. --- Disk space = 1.932442E+07 bytes free: One entry at every 5 minutes. There is space for 4108 hours ( 171 days) more data --- Disk space = 1.90976E+07 bytes free: One entry at every 5 minutes. There is space for 4060 hours ( 169 days) more data --- 16-nov-11 18:26:24 Tape feeder mechanism advancing for 1 spot(s). --- 16-nov-11 18:31:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 16-nov-11 18:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.354 ref(beam) = 2.229 . Lamp 2 (470 nm): sen(beam) = 2.174 ref(beam) = 2.420 . Lamp 3 (520 nm): sen(beam) = 1.441 ref(beam) = 2.511 . Lamp 4 (590 nm): sen(beam) = 1.909 ref(beam) = 1.240 . Lamp 5 (660 nm): sen(beam) = 2.523 ref(beam) = 2.418 . Lamp 6 (880 nm): sen(beam) = 2.361 ref(beam) = 3.559 . Lamp 7 (950 nm): sen(beam) = 1.851 ref(beam) = 4.575 ---