28-nov-16 19:28:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 25.73 hours . Total airflow this filter = 4.55 cubic meters . Mean BC concentration of all lamps = 224 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .729 sen(zero) = 0.021 . ref(beam) = 2.251 ref(zero) = 0.026 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 208 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 504 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .666 sen(zero) = 0.021 . ref(beam) = 2.491 ref(zero) = 0.026 . Optical attenuation of filter deposit = 63 . Total aerosol black carbon on filter = 1024 ng Mean aerosol black carbon concentration = 225 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 489 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .887 sen(zero) = 0.021 . ref(beam) = 1.736 ref(zero) = 0.026 . Optical attenuation of filter deposit = 55 . Total aerosol black carbon on filter = 992 ng Mean aerosol black carbon concentration = 218 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 463 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .627 sen(zero) = 0.021 . ref(beam) = 2.233 ref(zero) = 0.026 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 1028 ng Mean aerosol black carbon concentration = 226 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 523 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .293 sen(zero) = 0.021 . ref(beam) = .984 ref(zero) = 0.026 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 1075 ng Mean aerosol black carbon concentration = 236 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 600 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .492 sen(zero) = 0.021 . ref(beam) = 1.139 ref(zero) = 0.026 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 1045 ng Mean aerosol black carbon concentration = 229 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 579 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .843 sen(zero) = 0.021 . ref(beam) = 1.174 ref(zero) = 0.026 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 1029 ng Mean aerosol black carbon concentration = 226 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 650 ppm. --- Disk space = 4.914463E+08 bytes free: One entry at every 2 minutes. There is space for 41790 hours ( 1741 days) more data --- 28-nov-16 19:28:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 28-nov-16 19:37:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.024 . Lamp 1 (370 nm): sen(beam) = 1.433 ref(beam) = 2.230 . Lamp 2 (470 nm): sen(beam) = 1.195 ref(beam) = 2.593 . Lamp 3 (520 nm): sen(beam) = 1.505 ref(beam) = 1.749 . Lamp 4 (590 nm): sen(beam) = 1.004 ref(beam) = 2.163 . Lamp 5 (660 nm): sen(beam) = .453 ref(beam) = 1.040 . Lamp 6 (880 nm): sen(beam) = .658 ref(beam) = 1.141 . Lamp 7 (950 nm): sen(beam) = 1.101 ref(beam) = 1.209 ---