14-nov-11 15:37:36 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 41.99 hours . Total airflow this filter = 12.31 cubic meters . Mean BC concentration of all lamps = 23 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.118 sen(zero) = 0.021 . ref(beam) = 2.288 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 280 ng Mean aerosol black carbon concentration = 22 ng/m3 --- The reference beam showed lamp intensity fluctuations of 31 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.874 sen(zero) = 0.021 . ref(beam) = 2.491 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 276 ng Mean aerosol black carbon concentration = 22 ng/m3 --- The reference beam showed lamp intensity fluctuations of 27 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.257 sen(zero) = 0.021 . ref(beam) = 2.540 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 274 ng Mean aerosol black carbon concentration = 22 ng/m3 --- The reference beam showed lamp intensity fluctuations of 27 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.787 sen(zero) = 0.021 . ref(beam) = 1.310 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 279 ng Mean aerosol black carbon concentration = 22 ng/m3 --- The reference beam showed lamp intensity fluctuations of 90 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.328 sen(zero) = 0.021 . ref(beam) = 2.542 ref(zero) = 0.021 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 282 ng Mean aerosol black carbon concentration = 22 ng/m3 --- The reference beam showed lamp intensity fluctuations of 54 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.219 sen(zero) = 0.021 . ref(beam) = 3.687 ref(zero) = 0.021 . Optical attenuation of filter deposit = 10 . Total aerosol black carbon on filter = 312 ng Mean aerosol black carbon concentration = 25 ng/m3 --- The reference beam showed lamp intensity fluctuations of 58 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.753 sen(zero) = 0.021 . ref(beam) = 4.807 ref(zero) = 0.021 . Optical attenuation of filter deposit = 9 . Total aerosol black carbon on filter = 293 ng Mean aerosol black carbon concentration = 23 ng/m3 --- The reference beam showed lamp intensity fluctuations of 59 ppm. --- Disk space = 1.952563E+07 bytes free: One entry at every 5 minutes. There is space for 4151 hours ( 173 days) more data --- Disk space = 1.932442E+07 bytes free: One entry at every 5 minutes. There is space for 4108 hours ( 171 days) more data --- 14-nov-11 18:25:00 Tape feeder mechanism advancing for 1 spot(s). --- 14-nov-11 18:31:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 14-nov-11 18:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.400 ref(beam) = 2.257 . Lamp 2 (470 nm): sen(beam) = 2.245 ref(beam) = 2.459 . Lamp 3 (520 nm): sen(beam) = 1.478 ref(beam) = 2.523 . Lamp 4 (590 nm): sen(beam) = 2.036 ref(beam) = 1.288 . Lamp 5 (660 nm): sen(beam) = 2.650 ref(beam) = 2.498 . Lamp 6 (880 nm): sen(beam) = 2.473 ref(beam) = 3.643 . Lamp 7 (950 nm): sen(beam) = 1.936 ref(beam) = 4.730 ---