05-dec-11 11:35:05 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 20.33 hours . Total airflow this filter = 5.96 cubic meters . Mean BC concentration of all lamps = 115 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .767 sen(zero) = 0.021 . ref(beam) = 2.230 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 669 ng Mean aerosol black carbon concentration = 112 ng/m3 --- The reference beam showed lamp intensity fluctuations of 59 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.359 sen(zero) = 0.021 . ref(beam) = 2.425 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 689 ng Mean aerosol black carbon concentration = 116 ng/m3 --- The reference beam showed lamp intensity fluctuations of 54 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .946 sen(zero) = 0.021 . ref(beam) = 2.485 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 678 ng Mean aerosol black carbon concentration = 114 ng/m3 --- The reference beam showed lamp intensity fluctuations of 48 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.386 sen(zero) = 0.021 . ref(beam) = 1.278 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 681 ng Mean aerosol black carbon concentration = 114 ng/m3 --- The reference beam showed lamp intensity fluctuations of 177 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.809 sen(zero) = 0.021 . ref(beam) = 2.460 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 689 ng Mean aerosol black carbon concentration = 116 ng/m3 --- The reference beam showed lamp intensity fluctuations of 115 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.847 sen(zero) = 0.021 . ref(beam) = 3.598 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 725 ng Mean aerosol black carbon concentration = 122 ng/m3 --- The reference beam showed lamp intensity fluctuations of 119 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.478 sen(zero) = 0.021 . ref(beam) = 4.687 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 686 ng Mean aerosol black carbon concentration = 115 ng/m3 --- The reference beam showed lamp intensity fluctuations of 115 ppm. --- Disk space = 1.708237E+07 bytes free: One entry at every 5 minutes. There is space for 3631 hours ( 151 days) more data --- Disk space = 1.698355E+07 bytes free: One entry at every 5 minutes. There is space for 3610 hours ( 150 days) more data --- 05-dec-11 21:31:44 Tape feeder mechanism advancing for 1 spot(s). --- 05-dec-11 21:36:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 05-dec-11 21:44:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.370 ref(beam) = 2.207 . Lamp 2 (470 nm): sen(beam) = 2.197 ref(beam) = 2.416 . Lamp 3 (520 nm): sen(beam) = 1.452 ref(beam) = 2.483 . Lamp 4 (590 nm): sen(beam) = 1.989 ref(beam) = 1.262 . Lamp 5 (660 nm): sen(beam) = 2.585 ref(beam) = 2.443 . Lamp 6 (880 nm): sen(beam) = 2.426 ref(beam) = 3.589 . Lamp 7 (950 nm): sen(beam) = 1.897 ref(beam) = 4.632 ---