09-feb-13 17:50:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 39.99 hours . Total airflow this filter = 11.72 cubic meters . Mean BC concentration of all lamps = 114 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .503 sen(zero) = 0.021 . ref(beam) = 2.251 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1253 ng Mean aerosol black carbon concentration = 107 ng/m3 --- The reference beam showed lamp intensity fluctuations of 44 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .942 sen(zero) = 0.021 . ref(beam) = 2.473 ref(zero) = 0.021 . Optical attenuation of filter deposit = 82 . Total aerosol black carbon on filter = 1321 ng Mean aerosol black carbon concentration = 112 ng/m3 --- The reference beam showed lamp intensity fluctuations of 28 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .688 sen(zero) = 0.021 . ref(beam) = 2.494 ref(zero) = 0.021 . Optical attenuation of filter deposit = 73 . Total aerosol black carbon on filter = 1300 ng Mean aerosol black carbon concentration = 111 ng/m3 --- The reference beam showed lamp intensity fluctuations of 31 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.011 sen(zero) = 0.021 . ref(beam) = 1.283 ref(zero) = 0.021 . Optical attenuation of filter deposit = 65 . Total aerosol black carbon on filter = 1324 ng Mean aerosol black carbon concentration = 113 ng/m3 --- The reference beam showed lamp intensity fluctuations of 76 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.283 sen(zero) = 0.021 . ref(beam) = 2.371 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 1384 ng Mean aerosol black carbon concentration = 118 ng/m3 --- The reference beam showed lamp intensity fluctuations of 47 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.471 sen(zero) = 0.021 . ref(beam) = 3.638 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 1402 ng Mean aerosol black carbon concentration = 119 ng/m3 --- The reference beam showed lamp intensity fluctuations of 45 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.187 sen(zero) = 0.021 . ref(beam) = 4.702 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 1394 ng Mean aerosol black carbon concentration = 119 ng/m3 --- The reference beam showed lamp intensity fluctuations of 45 ppm. --- Disk space = 2.719232E+07 bytes free: One entry at every 5 minutes. There is space for 5781 hours ( 241 days) more data --- 09-feb-13 17:50:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 09-feb-13 18:04:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.332 ref(beam) = 2.152 . Lamp 2 (470 nm): sen(beam) = 2.175 ref(beam) = 2.385 . Lamp 3 (520 nm): sen(beam) = 1.426 ref(beam) = 2.433 . Lamp 4 (590 nm): sen(beam) = 1.955 ref(beam) = 1.238 . Lamp 5 (660 nm): sen(beam) = 2.417 ref(beam) = 2.285 . Lamp 6 (880 nm): sen(beam) = 2.374 ref(beam) = 3.520 . Lamp 7 (950 nm): sen(beam) = 1.848 ref(beam) = 4.522 ---