03-nov-10 15:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 30.83 hours . Total airflow this filter = 9.1 cubic meters . Mean BC concentration of all lamps = 105 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .478 sen(zero) = 0.021 . ref(beam) = 1.472 ref(zero) = 0.020 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 104 ng/m3 --- The reference beam showed lamp intensity fluctuations of 158 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .918 sen(zero) = 0.021 . ref(beam) = 1.643 ref(zero) = 0.020 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 104 ng/m3 --- The reference beam showed lamp intensity fluctuations of 41 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .962 sen(zero) = 0.021 . ref(beam) = 2.070 ref(zero) = 0.020 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 926 ng Mean aerosol black carbon concentration = 102 ng/m3 --- The reference beam showed lamp intensity fluctuations of 39 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .991 sen(zero) = 0.021 . ref(beam) = 3.001 ref(zero) = 0.020 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 961 ng Mean aerosol black carbon concentration = 105 ng/m3 --- The reference beam showed lamp intensity fluctuations of 198 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.395 sen(zero) = 0.021 . ref(beam) = 2.399 ref(zero) = 0.020 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 976 ng Mean aerosol black carbon concentration = 107 ng/m3 --- The reference beam showed lamp intensity fluctuations of 101 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.345 sen(zero) = 0.021 . ref(beam) = 2.453 ref(zero) = 0.020 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 983 ng Mean aerosol black carbon concentration = 108 ng/m3 --- The reference beam showed lamp intensity fluctuations of 152 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.240 sen(zero) = 0.021 . ref(beam) = 2.380 ref(zero) = 0.020 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 968 ng Mean aerosol black carbon concentration = 106 ng/m3 --- The reference beam showed lamp intensity fluctuations of 165 ppm. --- Disk space = 2.554429E+08 bytes free: One entry at every 5 minutes. There is space for 54303 hours ( 2263 days) more data --- 03-nov-10 15:35:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 774 --- 03-nov-10 15:44:56 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.020 . Lamp 1 (370 nm): sen(beam) = .955 ref(beam) = 1.362 . Lamp 2 (470 nm): sen(beam) = 1.662 ref(beam) = 1.636 . Lamp 3 (520 nm): sen(beam) = 1.620 ref(beam) = 2.068 . Lamp 4 (590 nm): sen(beam) = 1.550 ref(beam) = 2.935 . Lamp 5 (660 nm): sen(beam) = 2.139 ref(beam) = 2.393 . Lamp 6 (880 nm): sen(beam) = 1.854 ref(beam) = 2.454 . Lamp 7 (950 nm): sen(beam) = 1.661 ref(beam) = 2.385 ---