19-feb-13 08:10:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 69.83 hours . Total airflow this filter = 20.46 cubic meters . Mean BC concentration of all lamps = 62 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .501 sen(zero) = 0.021 . ref(beam) = 2.141 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1253 ng Mean aerosol black carbon concentration = 61 ng/m3 --- The reference beam showed lamp intensity fluctuations of 33 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .961 sen(zero) = 0.021 . ref(beam) = 2.337 ref(zero) = 0.021 . Optical attenuation of filter deposit = 79 . Total aerosol black carbon on filter = 1283 ng Mean aerosol black carbon concentration = 62 ng/m3 --- The reference beam showed lamp intensity fluctuations of 24 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .701 sen(zero) = 0.021 . ref(beam) = 2.404 ref(zero) = 0.021 . Optical attenuation of filter deposit = 70 . Total aerosol black carbon on filter = 1246 ng Mean aerosol black carbon concentration = 60 ng/m3 --- The reference beam showed lamp intensity fluctuations of 27 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.030 sen(zero) = 0.021 . ref(beam) = 1.227 ref(zero) = 0.021 . Optical attenuation of filter deposit = 62 . Total aerosol black carbon on filter = 1262 ng Mean aerosol black carbon concentration = 61 ng/m3 --- The reference beam showed lamp intensity fluctuations of 66 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.315 sen(zero) = 0.021 . ref(beam) = 2.234 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 1302 ng Mean aerosol black carbon concentration = 63 ng/m3 --- The reference beam showed lamp intensity fluctuations of 42 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.501 sen(zero) = 0.021 . ref(beam) = 3.474 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 1302 ng Mean aerosol black carbon concentration = 63 ng/m3 --- The reference beam showed lamp intensity fluctuations of 43 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.214 sen(zero) = 0.021 . ref(beam) = 4.447 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 1279 ng Mean aerosol black carbon concentration = 62 ng/m3 --- The reference beam showed lamp intensity fluctuations of 43 ppm. --- Disk space = 2.623488E+07 bytes free: One entry at every 5 minutes. There is space for 5577 hours ( 232 days) more data --- 19-feb-13 08:10:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 19-feb-13 08:24:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.315 ref(beam) = 2.138 . Lamp 2 (470 nm): sen(beam) = 2.140 ref(beam) = 2.349 . Lamp 3 (520 nm): sen(beam) = 1.412 ref(beam) = 2.428 . Lamp 4 (590 nm): sen(beam) = 1.924 ref(beam) = 1.227 . Lamp 5 (660 nm): sen(beam) = 2.375 ref(beam) = 2.242 . Lamp 6 (880 nm): sen(beam) = 2.342 ref(beam) = 3.486 . Lamp 7 (950 nm): sen(beam) = 1.813 ref(beam) = 4.451 ---