10-jan-17 00:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 65.24 hours . Total airflow this filter = 7.57 cubic meters . Mean BC concentration of all lamps = 129 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .709 sen(zero) = 0.021 . ref(beam) = 2.155 ref(zero) = 0.023 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 125 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 678 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .661 sen(zero) = 0.021 . ref(beam) = 2.402 ref(zero) = 0.023 . Optical attenuation of filter deposit = 62 . Total aerosol black carbon on filter = 996 ng Mean aerosol black carbon concentration = 131 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 634 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .884 sen(zero) = 0.021 . ref(beam) = 1.686 ref(zero) = 0.023 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 972 ng Mean aerosol black carbon concentration = 128 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 706 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .611 sen(zero) = 0.021 . ref(beam) = 2.130 ref(zero) = 0.023 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 998 ng Mean aerosol black carbon concentration = 131 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 812 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .284 sen(zero) = 0.021 . ref(beam) = .921 ref(zero) = 0.023 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 1019 ng Mean aerosol black carbon concentration = 134 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 742 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .492 sen(zero) = 0.021 . ref(beam) = 1.101 ref(zero) = 0.023 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 993 ng Mean aerosol black carbon concentration = 131 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 896 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .839 sen(zero) = 0.021 . ref(beam) = 1.126 ref(zero) = 0.023 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 955 ng Mean aerosol black carbon concentration = 126 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 941 ppm. --- Disk space = 4.857283E+08 bytes free: One entry at every 10 minutes. There is space for 206517 hours ( 8605 days) more data --- 10-jan-17 00:15:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 10-jan-17 00:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.023 . Lamp 1 (370 nm): sen(beam) = 1.382 ref(beam) = 2.163 . Lamp 2 (470 nm): sen(beam) = 1.170 ref(beam) = 2.477 . Lamp 3 (520 nm): sen(beam) = 1.459 ref(beam) = 1.711 . Lamp 4 (590 nm): sen(beam) = .922 ref(beam) = 2.083 . Lamp 5 (660 nm): sen(beam) = .421 ref(beam) = .949 . Lamp 6 (880 nm): sen(beam) = .643 ref(beam) = 1.107 . Lamp 7 (950 nm): sen(beam) = 1.065 ref(beam) = 1.137 --- 10-jan-17 19:44:55 SERIOUS INSTRUMENT PROBLEM !!! Problem with air flow pump or plumbing. Flow < 1 vLPM. --- 10-jan-17 19:44:55 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 19 hours . Total airflow this filter = 2.07 cubic meters . Mean BC concentration of all lamps = 213 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .931 sen(zero) = 0.021 . ref(beam) = 2.094 ref(zero) = 0.023 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 461 ng Mean aerosol black carbon concentration = 222 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 329 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .867 sen(zero) = 0.021 . ref(beam) = 2.430 ref(zero) = 0.023 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 454 ng Mean aerosol black carbon concentration = 219 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 200 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.124 sen(zero) = 0.021 . ref(beam) = 1.686 ref(zero) = 0.023 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 438 ng Mean aerosol black carbon concentration = 211 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 220 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .686 sen(zero) = 0.021 . ref(beam) = 1.914 ref(zero) = 0.023 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 440 ng Mean aerosol black carbon concentration = 212 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 688 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .334 sen(zero) = 0.021 . ref(beam) = .910 ref(zero) = 0.023 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 451 ng Mean aerosol black carbon concentration = 218 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 380 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .533 sen(zero) = 0.021 . ref(beam) = 1.055 ref(zero) = 0.023 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 436 ng Mean aerosol black carbon concentration = 210 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 448 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .888 sen(zero) = 0.021 . ref(beam) = 1.074 ref(zero) = 0.023 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 409 ng Mean aerosol black carbon concentration = 198 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 518 ppm. --- Disk space = 4.855562E+08 bytes free: One entry at every 10 minutes. There is space for 206444 hours ( 8602 days) more data ---