09-jan-12 17:55:23 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 32.83 hours . Total airflow this filter = 9.62 cubic meters . Mean BC concentration of all lamps = 90 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .570 sen(zero) = 0.021 . ref(beam) = 2.246 ref(zero) = 0.021 . Optical attenuation of filter deposit = 63 . Total aerosol black carbon on filter = 806 ng Mean aerosol black carbon concentration = 83 ng/m3 --- The reference beam showed lamp intensity fluctuations of 57 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.044 sen(zero) = 0.021 . ref(beam) = 2.453 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 857 ng Mean aerosol black carbon concentration = 89 ng/m3 --- The reference beam showed lamp intensity fluctuations of 41 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .741 sen(zero) = 0.021 . ref(beam) = 2.517 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 844 ng Mean aerosol black carbon concentration = 87 ng/m3 --- The reference beam showed lamp intensity fluctuations of 34 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.108 sen(zero) = 0.021 . ref(beam) = 1.293 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 862 ng Mean aerosol black carbon concentration = 89 ng/m3 --- The reference beam showed lamp intensity fluctuations of 158 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.420 sen(zero) = 0.021 . ref(beam) = 2.478 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 892 ng Mean aerosol black carbon concentration = 92 ng/m3 --- The reference beam showed lamp intensity fluctuations of 97 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.580 sen(zero) = 0.021 . ref(beam) = 3.647 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 924 ng Mean aerosol black carbon concentration = 96 ng/m3 --- The reference beam showed lamp intensity fluctuations of 110 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.265 sen(zero) = 0.021 . ref(beam) = 4.732 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 895 ng Mean aerosol black carbon concentration = 93 ng/m3 --- The reference beam showed lamp intensity fluctuations of 107 ppm. --- Disk space = 3.044096E+07 bytes free: One entry at every 5 minutes. There is space for 6471 hours ( 270 days) more data --- Disk space = 3.028326E+07 bytes free: One entry at every 5 minutes. There is space for 6438 hours ( 268 days) more data --- 09-jan-12 18:37:12 Tape feeder mechanism advancing for 1 spot(s). --- 09-jan-12 18:41:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 09-jan-12 18:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.283 ref(beam) = 2.240 . Lamp 2 (470 nm): sen(beam) = 2.088 ref(beam) = 2.469 . Lamp 3 (520 nm): sen(beam) = 1.379 ref(beam) = 2.525 . Lamp 4 (590 nm): sen(beam) = 1.888 ref(beam) = 1.287 . Lamp 5 (660 nm): sen(beam) = 2.439 ref(beam) = 2.497 . Lamp 6 (880 nm): sen(beam) = 2.312 ref(beam) = 3.649 . Lamp 7 (950 nm): sen(beam) = 1.809 ref(beam) = 4.741 ---