19-oct-12 17:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 382.5 hours . Total airflow this filter = 112.08 cubic meters . Mean BC concentration of all lamps = 11 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .514 sen(zero) = 0.021 . ref(beam) = 2.230 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1259 ng Mean aerosol black carbon concentration = 11 ng/m3 --- The reference beam showed lamp intensity fluctuations of 98 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .974 sen(zero) = 0.021 . ref(beam) = 2.426 ref(zero) = 0.021 . Optical attenuation of filter deposit = 80 . Total aerosol black carbon on filter = 1289 ng Mean aerosol black carbon concentration = 11 ng/m3 --- The reference beam showed lamp intensity fluctuations of 65 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .709 sen(zero) = 0.021 . ref(beam) = 2.461 ref(zero) = 0.021 . Optical attenuation of filter deposit = 70 . Total aerosol black carbon on filter = 1257 ng Mean aerosol black carbon concentration = 11 ng/m3 --- The reference beam showed lamp intensity fluctuations of 42 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.009 sen(zero) = 0.021 . ref(beam) = 1.217 ref(zero) = 0.021 . Optical attenuation of filter deposit = 63 . Total aerosol black carbon on filter = 1277 ng Mean aerosol black carbon concentration = 11 ng/m3 --- The reference beam showed lamp intensity fluctuations of 311 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.331 sen(zero) = 0.021 . ref(beam) = 2.297 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 1306 ng Mean aerosol black carbon concentration = 11 ng/m3 --- The reference beam showed lamp intensity fluctuations of 176 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.451 sen(zero) = 0.021 . ref(beam) = 3.461 ref(zero) = 0.021 . Optical attenuation of filter deposit = 46 . Total aerosol black carbon on filter = 1397 ng Mean aerosol black carbon concentration = 12 ng/m3 --- The reference beam showed lamp intensity fluctuations of 193 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.186 sen(zero) = 0.021 . ref(beam) = 4.508 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 1357 ng Mean aerosol black carbon concentration = 12 ng/m3 --- The reference beam showed lamp intensity fluctuations of 194 ppm. --- Disk space = 2.751846E+07 bytes free: One entry at every 5 minutes. There is space for 5850 hours ( 244 days) more data --- 19-oct-12 17:35:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 19-oct-12 17:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.337 ref(beam) = 2.165 . Lamp 2 (470 nm): sen(beam) = 2.154 ref(beam) = 2.393 . Lamp 3 (520 nm): sen(beam) = 1.412 ref(beam) = 2.444 . Lamp 4 (590 nm): sen(beam) = 1.851 ref(beam) = 1.197 . Lamp 5 (660 nm): sen(beam) = 2.358 ref(beam) = 2.270 . Lamp 6 (880 nm): sen(beam) = 2.286 ref(beam) = 3.429 . Lamp 7 (950 nm): sen(beam) = 1.790 ref(beam) = 4.452 ---