04-jul-17 05:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 16.24 hours . Total airflow this filter = 1.85 cubic meters . Mean BC concentration of all lamps = 492 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .673 sen(zero) = 0.021 . ref(beam) = 2.156 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 954 ng Mean aerosol black carbon concentration = 518 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 229 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .638 sen(zero) = 0.021 . ref(beam) = 2.407 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 971 ng Mean aerosol black carbon concentration = 527 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 126 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .859 sen(zero) = 0.021 . ref(beam) = 1.652 ref(zero) = 0.021 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 920 ng Mean aerosol black carbon concentration = 499 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 114 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .643 sen(zero) = 0.021 . ref(beam) = 2.173 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 902 ng Mean aerosol black carbon concentration = 490 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 465 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .272 sen(zero) = 0.021 . ref(beam) = .866 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 904 ng Mean aerosol black carbon concentration = 491 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 259 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .478 sen(zero) = 0.021 . ref(beam) = 1.073 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 863 ng Mean aerosol black carbon concentration = 468 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 300 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .818 sen(zero) = 0.021 . ref(beam) = 1.113 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 829 ng Mean aerosol black carbon concentration = 450 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 367 ppm. --- Disk space = 2.536858E+08 bytes free: One entry at every 10 minutes. There is space for 107860 hours ( 4494 days) more data --- 04-jul-17 05:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 04-jul-17 05:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.399 ref(beam) = 2.205 . Lamp 2 (470 nm): sen(beam) = 1.155 ref(beam) = 2.465 . Lamp 3 (520 nm): sen(beam) = 1.438 ref(beam) = 1.718 . Lamp 4 (590 nm): sen(beam) = .968 ref(beam) = 2.181 . Lamp 5 (660 nm): sen(beam) = .398 ref(beam) = .883 . Lamp 6 (880 nm): sen(beam) = .625 ref(beam) = 1.111 . Lamp 7 (950 nm): sen(beam) = 1.037 ref(beam) = 1.141 --- 04-jul-17 22:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 16.58 hours . Total airflow this filter = 1.89 cubic meters . Mean BC concentration of all lamps = 476 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .657 sen(zero) = 0.021 . ref(beam) = 2.193 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 952 ng Mean aerosol black carbon concentration = 505 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 227 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .633 sen(zero) = 0.021 . ref(beam) = 2.447 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 962 ng Mean aerosol black carbon concentration = 510 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 160 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .857 sen(zero) = 0.021 . ref(beam) = 1.703 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 907 ng Mean aerosol black carbon concentration = 481 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 184 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .612 sen(zero) = 0.021 . ref(beam) = 2.125 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 887 ng Mean aerosol black carbon concentration = 470 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 485 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .267 sen(zero) = 0.021 . ref(beam) = .866 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 899 ng Mean aerosol black carbon concentration = 477 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 293 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .465 sen(zero) = 0.021 . ref(beam) = 1.088 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 857 ng Mean aerosol black carbon concentration = 455 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 380 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .789 sen(zero) = 0.021 . ref(beam) = 1.114 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 816 ng Mean aerosol black carbon concentration = 433 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 402 ppm. --- Disk space = 2.536407E+08 bytes free: One entry at every 10 minutes. There is space for 107840 hours ( 4493 days) more data --- 04-jul-17 22:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 04-jul-17 22:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.022 . Lamp 1 (370 nm): sen(beam) = 1.447 ref(beam) = 2.136 . Lamp 2 (470 nm): sen(beam) = 1.199 ref(beam) = 2.412 . Lamp 3 (520 nm): sen(beam) = 1.490 ref(beam) = 1.650 . Lamp 4 (590 nm): sen(beam) = .946 ref(beam) = 2.008 . Lamp 5 (660 nm): sen(beam) = .402 ref(beam) = .854 . Lamp 6 (880 nm): sen(beam) = .632 ref(beam) = 1.043 . Lamp 7 (950 nm): sen(beam) = 1.043 ref(beam) = 1.071 ---