22-jan-12 16:52:09 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 83.41 hours . Total airflow this filter = 24.46 cubic meters . Mean BC concentration of all lamps = 49 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .550 sen(zero) = 0.021 . ref(beam) = 2.265 ref(zero) = 0.021 . Optical attenuation of filter deposit = 89 . Total aerosol black carbon on filter = 1132 ng Mean aerosol black carbon concentration = 46 ng/m3 --- The reference beam showed lamp intensity fluctuations of 69 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.018 sen(zero) = 0.021 . ref(beam) = 2.476 ref(zero) = 0.021 . Optical attenuation of filter deposit = 74 . Total aerosol black carbon on filter = 1191 ng Mean aerosol black carbon concentration = 48 ng/m3 --- The reference beam showed lamp intensity fluctuations of 49 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .732 sen(zero) = 0.021 . ref(beam) = 2.525 ref(zero) = 0.021 . Optical attenuation of filter deposit = 66 . Total aerosol black carbon on filter = 1177 ng Mean aerosol black carbon concentration = 48 ng/m3 --- The reference beam showed lamp intensity fluctuations of 43 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.082 sen(zero) = 0.021 . ref(beam) = 1.300 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 1194 ng Mean aerosol black carbon concentration = 48 ng/m3 --- The reference beam showed lamp intensity fluctuations of 181 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.444 sen(zero) = 0.021 . ref(beam) = 2.505 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 1233 ng Mean aerosol black carbon concentration = 50 ng/m3 --- The reference beam showed lamp intensity fluctuations of 107 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.550 sen(zero) = 0.021 . ref(beam) = 3.680 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 1281 ng Mean aerosol black carbon concentration = 52 ng/m3 --- The reference beam showed lamp intensity fluctuations of 116 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.271 sen(zero) = 0.021 . ref(beam) = 4.767 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 1237 ng Mean aerosol black carbon concentration = 50 ng/m3 --- The reference beam showed lamp intensity fluctuations of 116 ppm. --- Disk space = 2.924902E+07 bytes free: One entry at every 5 minutes. There is space for 6218 hours ( 259 days) more data --- Disk space = 2.885427E+07 bytes free: One entry at every 5 minutes. There is space for 6134 hours ( 256 days) more data --- 22-jan-12 19:34:01 Tape feeder mechanism advancing for 1 spot(s). --- 22-jan-12 19:36:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 22-jan-12 19:44:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.329 ref(beam) = 2.203 . Lamp 2 (470 nm): sen(beam) = 2.154 ref(beam) = 2.433 . Lamp 3 (520 nm): sen(beam) = 1.421 ref(beam) = 2.486 . Lamp 4 (590 nm): sen(beam) = 1.965 ref(beam) = 1.269 . Lamp 5 (660 nm): sen(beam) = 2.523 ref(beam) = 2.460 . Lamp 6 (880 nm): sen(beam) = 2.400 ref(beam) = 3.607 . Lamp 7 (950 nm): sen(beam) = 1.864 ref(beam) = 4.664 ---