24-jun-18 04:50:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 66.16 hours . Total airflow this filter = 7.3 cubic meters . Mean BC concentration of all lamps = 118 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.004 sen(zero) = 0.021 . ref(beam) = 2.333 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 130 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 214 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .939 sen(zero) = 0.021 . ref(beam) = 2.445 ref(zero) = 0.021 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 936 ng Mean aerosol black carbon concentration = 128 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 151 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.256 sen(zero) = 0.021 . ref(beam) = 1.684 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 874 ng Mean aerosol black carbon concentration = 119 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 171 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .892 sen(zero) = 0.021 . ref(beam) = 2.270 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 853 ng Mean aerosol black carbon concentration = 117 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 404 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .351 sen(zero) = 0.021 . ref(beam) = .792 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 857 ng Mean aerosol black carbon concentration = 117 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 256 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .694 sen(zero) = 0.021 . ref(beam) = 1.098 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 807 ng Mean aerosol black carbon concentration = 110 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 295 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.203 sen(zero) = 0.021 . ref(beam) = 1.134 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 769 ng Mean aerosol black carbon concentration = 105 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 329 ppm. --- Disk space = 2.532434E+08 bytes free: One entry at every 10 minutes. There is space for 107672 hours ( 4486 days) more data --- 24-jun-18 04:50:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 24-jun-18 05:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 2.048 ref(beam) = 2.316 . Lamp 2 (470 nm): sen(beam) = 1.624 ref(beam) = 2.463 . Lamp 3 (520 nm): sen(beam) = 1.996 ref(beam) = 1.675 . Lamp 4 (590 nm): sen(beam) = 1.276 ref(beam) = 2.195 . Lamp 5 (660 nm): sen(beam) = .490 ref(beam) = .798 . Lamp 6 (880 nm): sen(beam) = .876 ref(beam) = 1.087 . Lamp 7 (950 nm): sen(beam) = 1.468 ref(beam) = 1.123 ---