19-jul-12 22:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 196.91 hours . Total airflow this filter = 57.72 cubic meters . Mean BC concentration of all lamps = 20 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .501 sen(zero) = 0.021 . ref(beam) = 2.114 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1253 ng Mean aerosol black carbon concentration = 21 ng/m3 --- The reference beam showed lamp intensity fluctuations of 183 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .995 sen(zero) = 0.021 . ref(beam) = 2.315 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 1212 ng Mean aerosol black carbon concentration = 21 ng/m3 --- The reference beam showed lamp intensity fluctuations of 148 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .740 sen(zero) = 0.021 . ref(beam) = 2.389 ref(zero) = 0.021 . Optical attenuation of filter deposit = 63 . Total aerosol black carbon on filter = 1130 ng Mean aerosol black carbon concentration = 19 ng/m3 --- The reference beam showed lamp intensity fluctuations of 119 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.049 sen(zero) = 0.021 . ref(beam) = 1.172 ref(zero) = 0.021 . Optical attenuation of filter deposit = 55 . Total aerosol black carbon on filter = 1122 ng Mean aerosol black carbon concentration = 19 ng/m3 --- The reference beam showed lamp intensity fluctuations of 414 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.427 sen(zero) = 0.021 . ref(beam) = 2.242 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 1137 ng Mean aerosol black carbon concentration = 19 ng/m3 --- The reference beam showed lamp intensity fluctuations of 276 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.544 sen(zero) = 0.021 . ref(beam) = 3.351 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 1131 ng Mean aerosol black carbon concentration = 19 ng/m3 --- The reference beam showed lamp intensity fluctuations of 308 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.248 sen(zero) = 0.021 . ref(beam) = 4.318 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 1099 ng Mean aerosol black carbon concentration = 19 ng/m3 --- The reference beam showed lamp intensity fluctuations of 315 ppm. --- Disk space = 2.656922E+07 bytes free: One entry at every 5 minutes. There is space for 5648 hours ( 235 days) more data --- 19-jul-12 22:55:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 19-jul-12 23:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.305 ref(beam) = 2.071 . Lamp 2 (470 nm): sen(beam) = 2.113 ref(beam) = 2.322 . Lamp 3 (520 nm): sen(beam) = 1.399 ref(beam) = 2.393 . Lamp 4 (590 nm): sen(beam) = 1.819 ref(beam) = 1.159 . Lamp 5 (660 nm): sen(beam) = 2.378 ref(beam) = 2.253 . Lamp 6 (880 nm): sen(beam) = 2.253 ref(beam) = 3.341 . Lamp 7 (950 nm): sen(beam) = 1.753 ref(beam) = 4.307 ---