04-sep-19 00:45:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.91 hours . Total airflow this filter = .51 cubic meters . Mean BC concentration of all lamps = 1872 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .810 sen(zero) = 0.021 . ref(beam) = 2.178 ref(zero) = 0.021 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 968 ng Mean aerosol black carbon concentration = 1922 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 591 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .751 sen(zero) = 0.021 . ref(beam) = 2.342 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 978 ng Mean aerosol black carbon concentration = 1942 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 605 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.093 sen(zero) = 0.021 . ref(beam) = 1.521 ref(zero) = 0.021 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 944 ng Mean aerosol black carbon concentration = 1874 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 613 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .780 sen(zero) = 0.021 . ref(beam) = 2.154 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 955 ng Mean aerosol black carbon concentration = 1895 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 458 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .282 sen(zero) = 0.021 . ref(beam) = .740 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 963 ng Mean aerosol black carbon concentration = 1912 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 666 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .590 sen(zero) = 0.021 . ref(beam) = .998 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 918 ng Mean aerosol black carbon concentration = 1821 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 551 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.043 sen(zero) = 0.021 . ref(beam) = 1.072 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 874 ng Mean aerosol black carbon concentration = 1736 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 405 ppm. --- Disk space = 2.532147E+08 bytes free: One entry at every 10 minutes. There is space for 107659 hours ( 4486 days) more data --- 04-sep-19 00:45:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 04-sep-19 01:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.780 ref(beam) = 2.181 . Lamp 2 (470 nm): sen(beam) = 1.393 ref(beam) = 2.356 . Lamp 3 (520 nm): sen(beam) = 1.869 ref(beam) = 1.511 . Lamp 4 (590 nm): sen(beam) = 1.206 ref(beam) = 2.080 . Lamp 5 (660 nm): sen(beam) = .422 ref(beam) = .743 . Lamp 6 (880 nm): sen(beam) = .787 ref(beam) = .983 . Lamp 7 (950 nm): sen(beam) = 1.340 ref(beam) = 1.060 --- 04-sep-19 05:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 4.24 hours . Total airflow this filter = .76 cubic meters . Mean BC concentration of all lamps = 1208 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .795 sen(zero) = 0.021 . ref(beam) = 2.183 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 959 ng Mean aerosol black carbon concentration = 1276 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 211 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .744 sen(zero) = 0.021 . ref(beam) = 2.352 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 954 ng Mean aerosol black carbon concentration = 1269 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 139 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.082 sen(zero) = 0.021 . ref(beam) = 1.506 ref(zero) = 0.021 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 913 ng Mean aerosol black carbon concentration = 1216 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 171 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .761 sen(zero) = 0.021 . ref(beam) = 2.107 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 917 ng Mean aerosol black carbon concentration = 1220 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 662 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .279 sen(zero) = 0.021 . ref(beam) = .740 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 923 ng Mean aerosol black carbon concentration = 1228 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 276 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .583 sen(zero) = 0.021 . ref(beam) = .980 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 869 ng Mean aerosol black carbon concentration = 1156 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 404 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.029 sen(zero) = 0.021 . ref(beam) = 1.058 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 822 ng Mean aerosol black carbon concentration = 1093 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 464 ppm. --- Disk space = 2.531983E+08 bytes free: One entry at every 10 minutes. There is space for 107652 hours ( 4486 days) more data --- 04-sep-19 05:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 04-sep-19 05:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.839 ref(beam) = 2.140 . Lamp 2 (470 nm): sen(beam) = 1.437 ref(beam) = 2.307 . Lamp 3 (520 nm): sen(beam) = 1.928 ref(beam) = 1.490 . Lamp 4 (590 nm): sen(beam) = 1.225 ref(beam) = 2.010 . Lamp 5 (660 nm): sen(beam) = .433 ref(beam) = .723 . Lamp 6 (880 nm): sen(beam) = .807 ref(beam) = .962 . Lamp 7 (950 nm): sen(beam) = 1.378 ref(beam) = 1.032 ---