28-nov-11 05:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 31 hours . Total airflow this filter = 9.09 cubic meters . Mean BC concentration of all lamps = 152 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .474 sen(zero) = 0.021 . ref(beam) = 2.222 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1254 ng Mean aerosol black carbon concentration = 138 ng/m3 --- The reference beam showed lamp intensity fluctuations of 29 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .884 sen(zero) = 0.021 . ref(beam) = 2.427 ref(zero) = 0.021 . Optical attenuation of filter deposit = 83 . Total aerosol black carbon on filter = 1346 ng Mean aerosol black carbon concentration = 148 ng/m3 --- The reference beam showed lamp intensity fluctuations of 18 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .639 sen(zero) = 0.021 . ref(beam) = 2.488 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 1335 ng Mean aerosol black carbon concentration = 147 ng/m3 --- The reference beam showed lamp intensity fluctuations of 24 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .944 sen(zero) = 0.021 . ref(beam) = 1.267 ref(zero) = 0.021 . Optical attenuation of filter deposit = 68 . Total aerosol black carbon on filter = 1380 ng Mean aerosol black carbon concentration = 152 ng/m3 --- The reference beam showed lamp intensity fluctuations of 59 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.269 sen(zero) = 0.021 . ref(beam) = 2.448 ref(zero) = 0.021 . Optical attenuation of filter deposit = 63 . Total aerosol black carbon on filter = 1428 ng Mean aerosol black carbon concentration = 157 ng/m3 --- The reference beam showed lamp intensity fluctuations of 36 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.404 sen(zero) = 0.021 . ref(beam) = 3.598 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 1472 ng Mean aerosol black carbon concentration = 162 ng/m3 --- The reference beam showed lamp intensity fluctuations of 38 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.149 sen(zero) = 0.021 . ref(beam) = 4.651 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 1449 ng Mean aerosol black carbon concentration = 159 ng/m3 --- The reference beam showed lamp intensity fluctuations of 38 ppm. --- Disk space = 1.795789E+07 bytes free: One entry at every 5 minutes. There is space for 3818 hours ( 159 days) more data --- 28-nov-11 05:55:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 28-nov-11 06:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.267 ref(beam) = 2.212 . Lamp 2 (470 nm): sen(beam) = 2.055 ref(beam) = 2.429 . Lamp 3 (520 nm): sen(beam) = 1.360 ref(beam) = 2.487 . Lamp 4 (590 nm): sen(beam) = 1.867 ref(beam) = 1.256 . Lamp 5 (660 nm): sen(beam) = 2.412 ref(beam) = 2.457 . Lamp 6 (880 nm): sen(beam) = 2.306 ref(beam) = 3.566 . Lamp 7 (950 nm): sen(beam) = 1.796 ref(beam) = 4.653 ---