11-jul-12 17:37:50 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 214.49 hours . Total airflow this filter = 62.88 cubic meters . Mean BC concentration of all lamps = 17 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .627 sen(zero) = 0.021 . ref(beam) = 2.143 ref(zero) = 0.021 . Optical attenuation of filter deposit = 77 . Total aerosol black carbon on filter = 982 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 82 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.118 sen(zero) = 0.021 . ref(beam) = 2.333 ref(zero) = 0.021 . Optical attenuation of filter deposit = 65 . Total aerosol black carbon on filter = 1054 ng Mean aerosol black carbon concentration = 16 ng/m3 --- The reference beam showed lamp intensity fluctuations of 55 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .795 sen(zero) = 0.021 . ref(beam) = 2.397 ref(zero) = 0.021 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 1045 ng Mean aerosol black carbon concentration = 16 ng/m3 --- The reference beam showed lamp intensity fluctuations of 43 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.103 sen(zero) = 0.021 . ref(beam) = 1.179 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 1077 ng Mean aerosol black carbon concentration = 17 ng/m3 --- The reference beam showed lamp intensity fluctuations of 262 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.477 sen(zero) = 0.021 . ref(beam) = 2.269 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 1112 ng Mean aerosol black carbon concentration = 17 ng/m3 --- The reference beam showed lamp intensity fluctuations of 142 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.577 sen(zero) = 0.021 . ref(beam) = 3.351 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 1138 ng Mean aerosol black carbon concentration = 18 ng/m3 --- The reference beam showed lamp intensity fluctuations of 154 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.273 sen(zero) = 0.021 . ref(beam) = 4.365 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 1105 ng Mean aerosol black carbon concentration = 17 ng/m3 --- The reference beam showed lamp intensity fluctuations of 153 ppm. --- Disk space = 2.758042E+07 bytes free: One entry at every 5 minutes. There is space for 5863 hours ( 244 days) more data --- Disk space = 2.656922E+07 bytes free: One entry at every 5 minutes. There is space for 5648 hours ( 235 days) more data --- 11-jul-12 17:48:01 Tape feeder mechanism advancing for 1 spot(s). --- 11-jul-12 17:51:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 11-jul-12 17:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.295 ref(beam) = 2.080 . Lamp 2 (470 nm): sen(beam) = 2.091 ref(beam) = 2.312 . Lamp 3 (520 nm): sen(beam) = 1.380 ref(beam) = 2.390 . Lamp 4 (590 nm): sen(beam) = 1.802 ref(beam) = 1.165 . Lamp 5 (660 nm): sen(beam) = 2.357 ref(beam) = 2.249 . Lamp 6 (880 nm): sen(beam) = 2.235 ref(beam) = 3.347 . Lamp 7 (950 nm): sen(beam) = 1.736 ref(beam) = 4.304 ---