21-feb-13 19:34:41 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 59.08 hours . Total airflow this filter = 17.31 cubic meters . Mean BC concentration of all lamps = 58 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .611 sen(zero) = 0.021 . ref(beam) = 2.172 ref(zero) = 0.021 . Optical attenuation of filter deposit = 79 . Total aerosol black carbon on filter = 1001 ng Mean aerosol black carbon concentration = 57 ng/m3 --- The reference beam showed lamp intensity fluctuations of 55 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.136 sen(zero) = 0.021 . ref(beam) = 2.359 ref(zero) = 0.021 . Optical attenuation of filter deposit = 63 . Total aerosol black carbon on filter = 1026 ng Mean aerosol black carbon concentration = 59 ng/m3 --- The reference beam showed lamp intensity fluctuations of 37 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .817 sen(zero) = 0.021 . ref(beam) = 2.430 ref(zero) = 0.021 . Optical attenuation of filter deposit = 55 . Total aerosol black carbon on filter = 984 ng Mean aerosol black carbon concentration = 56 ng/m3 --- The reference beam showed lamp intensity fluctuations of 35 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.218 sen(zero) = 0.021 . ref(beam) = 1.264 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 989 ng Mean aerosol black carbon concentration = 57 ng/m3 --- The reference beam showed lamp intensity fluctuations of 134 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.529 sen(zero) = 0.021 . ref(beam) = 2.274 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 1027 ng Mean aerosol black carbon concentration = 59 ng/m3 --- The reference beam showed lamp intensity fluctuations of 83 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.696 sen(zero) = 0.021 . ref(beam) = 3.541 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 1021 ng Mean aerosol black carbon concentration = 59 ng/m3 --- The reference beam showed lamp intensity fluctuations of 91 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.353 sen(zero) = 0.021 . ref(beam) = 4.537 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 1022 ng Mean aerosol black carbon concentration = 59 ng/m3 --- The reference beam showed lamp intensity fluctuations of 91 ppm. --- Disk space = 2.59031E+07 bytes free: One entry at every 5 minutes. There is space for 5507 hours ( 229 days) more data --- Disk space = 2.562253E+07 bytes free: One entry at every 5 minutes. There is space for 5447 hours ( 227 days) more data --- 21-feb-13 19:39:02 Tape feeder mechanism advancing for 1 spot(s). --- 21-feb-13 19:41:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 21-feb-13 19:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.311 ref(beam) = 2.139 . Lamp 2 (470 nm): sen(beam) = 2.115 ref(beam) = 2.361 . Lamp 3 (520 nm): sen(beam) = 1.382 ref(beam) = 2.414 . Lamp 4 (590 nm): sen(beam) = 1.910 ref(beam) = 1.243 . Lamp 5 (660 nm): sen(beam) = 2.357 ref(beam) = 2.275 . Lamp 6 (880 nm): sen(beam) = 2.308 ref(beam) = 3.516 . Lamp 7 (950 nm): sen(beam) = 1.797 ref(beam) = 4.508 ---