07-sep-18 16:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 29.25 hours . Total airflow this filter = 2.92 cubic meters . Mean BC concentration of all lamps = 258 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .953 sen(zero) = 0.021 . ref(beam) = 2.344 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 325 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 189 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .960 sen(zero) = 0.021 . ref(beam) = 2.541 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 849 ng Mean aerosol black carbon concentration = 290 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 99 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.298 sen(zero) = 0.021 . ref(beam) = 1.723 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 765 ng Mean aerosol black carbon concentration = 261 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 119 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .897 sen(zero) = 0.021 . ref(beam) = 2.219 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 730 ng Mean aerosol black carbon concentration = 250 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 485 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .355 sen(zero) = 0.021 . ref(beam) = .813 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 729 ng Mean aerosol black carbon concentration = 249 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 215 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .703 sen(zero) = 0.021 . ref(beam) = 1.111 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 651 ng Mean aerosol black carbon concentration = 222 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 284 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.211 sen(zero) = 0.021 . ref(beam) = 1.152 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 607 ng Mean aerosol black carbon concentration = 207 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 310 ppm. --- Disk space = 2.53653E+08 bytes free: One entry at every 10 minutes. There is space for 107846 hours ( 4494 days) more data --- 07-sep-18 16:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 07-sep-18 16:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.995 ref(beam) = 2.329 . Lamp 2 (470 nm): sen(beam) = 1.609 ref(beam) = 2.556 . Lamp 3 (520 nm): sen(beam) = 2.001 ref(beam) = 1.722 . Lamp 4 (590 nm): sen(beam) = 1.238 ref(beam) = 2.154 . Lamp 5 (660 nm): sen(beam) = .478 ref(beam) = .817 . Lamp 6 (880 nm): sen(beam) = .858 ref(beam) = 1.105 . Lamp 7 (950 nm): sen(beam) = 1.435 ref(beam) = 1.144 ---