19-jan-13 09:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 82.91 hours . Total airflow this filter = 24.3 cubic meters . Mean BC concentration of all lamps = 56 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .510 sen(zero) = 0.021 . ref(beam) = 2.216 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1254 ng Mean aerosol black carbon concentration = 51 ng/m3 --- The reference beam showed lamp intensity fluctuations of 56 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .952 sen(zero) = 0.021 . ref(beam) = 2.429 ref(zero) = 0.021 . Optical attenuation of filter deposit = 82 . Total aerosol black carbon on filter = 1326 ng Mean aerosol black carbon concentration = 54 ng/m3 --- The reference beam showed lamp intensity fluctuations of 39 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .684 sen(zero) = 0.021 . ref(beam) = 2.458 ref(zero) = 0.021 . Optical attenuation of filter deposit = 73 . Total aerosol black carbon on filter = 1312 ng Mean aerosol black carbon concentration = 54 ng/m3 --- The reference beam showed lamp intensity fluctuations of 40 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .992 sen(zero) = 0.021 . ref(beam) = 1.245 ref(zero) = 0.021 . Optical attenuation of filter deposit = 67 . Total aerosol black carbon on filter = 1359 ng Mean aerosol black carbon concentration = 55 ng/m3 --- The reference beam showed lamp intensity fluctuations of 135 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.287 sen(zero) = 0.021 . ref(beam) = 2.315 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 1394 ng Mean aerosol black carbon concentration = 57 ng/m3 --- The reference beam showed lamp intensity fluctuations of 83 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.443 sen(zero) = 0.021 . ref(beam) = 3.525 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 1455 ng Mean aerosol black carbon concentration = 59 ng/m3 --- The reference beam showed lamp intensity fluctuations of 86 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.182 sen(zero) = 0.021 . ref(beam) = 4.594 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 1422 ng Mean aerosol black carbon concentration = 58 ng/m3 --- The reference beam showed lamp intensity fluctuations of 84 ppm. --- Disk space = 2.610586E+07 bytes free: One entry at every 5 minutes. There is space for 5550 hours ( 231 days) more data --- 19-jan-13 09:25:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 19-jan-13 09:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .764 ref(beam) = 2.190 . Lamp 2 (470 nm): sen(beam) = 1.313 ref(beam) = 2.402 . Lamp 3 (520 nm): sen(beam) = .902 ref(beam) = 2.456 . Lamp 4 (590 nm): sen(beam) = 1.263 ref(beam) = 1.230 . Lamp 5 (660 nm): sen(beam) = 1.555 ref(beam) = 2.280 . Lamp 6 (880 nm): sen(beam) = 1.744 ref(beam) = 3.513 . Lamp 7 (950 nm): sen(beam) = 1.370 ref(beam) = 4.522 ---