22-jan-10 18:50:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 25.5 hours . Total airflow this filter = 7.54 cubic meters . Mean BC concentration of all lamps = 222 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .296 sen(zero) = 0.021 . ref(beam) = 1.484 ref(zero) = 0.020 . Optical attenuation of filter deposit = 125 . Total aerosol black carbon on filter = 1584 ng Mean aerosol black carbon concentration = 210 ng/m3 --- The reference beam showed lamp intensity fluctuations of 169 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .540 sen(zero) = 0.021 . ref(beam) = 1.539 ref(zero) = 0.020 . Optical attenuation of filter deposit = 101 . Total aerosol black carbon on filter = 1635 ng Mean aerosol black carbon concentration = 217 ng/m3 --- The reference beam showed lamp intensity fluctuations of 54 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .627 sen(zero) = 0.021 . ref(beam) = 2.015 ref(zero) = 0.020 . Optical attenuation of filter deposit = 91 . Total aerosol black carbon on filter = 1621 ng Mean aerosol black carbon concentration = 215 ng/m3 --- The reference beam showed lamp intensity fluctuations of 53 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .624 sen(zero) = 0.021 . ref(beam) = 2.745 ref(zero) = 0.020 . Optical attenuation of filter deposit = 83 . Total aerosol black carbon on filter = 1680 ng Mean aerosol black carbon concentration = 223 ng/m3 --- The reference beam showed lamp intensity fluctuations of 174 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.008 sen(zero) = 0.021 . ref(beam) = 2.485 ref(zero) = 0.020 . Optical attenuation of filter deposit = 76 . Total aerosol black carbon on filter = 1716 ng Mean aerosol black carbon concentration = 228 ng/m3 --- The reference beam showed lamp intensity fluctuations of 96 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .970 sen(zero) = 0.021 . ref(beam) = 2.341 ref(zero) = 0.020 . Optical attenuation of filter deposit = 58 . Total aerosol black carbon on filter = 1750 ng Mean aerosol black carbon concentration = 232 ng/m3 --- The reference beam showed lamp intensity fluctuations of 134 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .894 sen(zero) = 0.021 . ref(beam) = 2.229 ref(zero) = 0.020 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 1719 ng Mean aerosol black carbon concentration = 228 ng/m3 --- The reference beam showed lamp intensity fluctuations of 147 ppm. --- Disk space = 2.454323E+08 bytes free: One entry at every 5 minutes. There is space for 52175 hours ( 2174 days) more data --- 22-jan-10 18:50:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 774 --- 22-jan-10 18:59:56 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.020 . Lamp 1 (370 nm): sen(beam) = .501 ref(beam) = 1.395 . Lamp 2 (470 nm): sen(beam) = .870 ref(beam) = 1.535 . Lamp 3 (520 nm): sen(beam) = .910 ref(beam) = 2.013 . Lamp 4 (590 nm): sen(beam) = .822 ref(beam) = 2.687 . Lamp 5 (660 nm): sen(beam) = 1.351 ref(beam) = 2.480 . Lamp 6 (880 nm): sen(beam) = 1.238 ref(beam) = 2.350 . Lamp 7 (950 nm): sen(beam) = 1.116 ref(beam) = 2.237 --- 22-jan-10 23:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 4.58 hours . Total airflow this filter = 1.35 cubic meters . Mean BC concentration of all lamps = 1701 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .164 sen(zero) = 0.021 . ref(beam) = 1.466 ref(zero) = 0.020 . Optical attenuation of filter deposit = 125 . Total aerosol black carbon on filter = 1593 ng Mean aerosol black carbon concentration = 1196 ng/m3 --- The reference beam showed lamp intensity fluctuations of 139 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .271 sen(zero) = 0.021 . ref(beam) = 1.533 ref(zero) = 0.020 . Optical attenuation of filter deposit = 121 . Total aerosol black carbon on filter = 1955 ng Mean aerosol black carbon concentration = 1468 ng/m3 --- The reference beam showed lamp intensity fluctuations of 72 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .299 sen(zero) = 0.021 . ref(beam) = 2.008 ref(zero) = 0.020 . Optical attenuation of filter deposit = 115 . Total aerosol black carbon on filter = 2055 ng Mean aerosol black carbon concentration = 1543 ng/m3 --- The reference beam showed lamp intensity fluctuations of 67 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .288 sen(zero) = 0.021 . ref(beam) = 2.722 ref(zero) = 0.020 . Optical attenuation of filter deposit = 111 . Total aerosol black carbon on filter = 2240 ng Mean aerosol black carbon concentration = 1682 ng/m3 --- The reference beam showed lamp intensity fluctuations of 184 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .472 sen(zero) = 0.021 . ref(beam) = 2.471 ref(zero) = 0.020 . Optical attenuation of filter deposit = 107 . Total aerosol black carbon on filter = 2424 ng Mean aerosol black carbon concentration = 1820 ng/m3 --- The reference beam showed lamp intensity fluctuations of 129 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .500 sen(zero) = 0.021 . ref(beam) = 2.328 ref(zero) = 0.020 . Optical attenuation of filter deposit = 92 . Total aerosol black carbon on filter = 2773 ng Mean aerosol black carbon concentration = 2082 ng/m3 --- The reference beam showed lamp intensity fluctuations of 209 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .473 sen(zero) = 0.021 . ref(beam) = 2.207 ref(zero) = 0.020 . Optical attenuation of filter deposit = 86 . Total aerosol black carbon on filter = 2820 ng Mean aerosol black carbon concentration = 2117 ng/m3 --- The reference beam showed lamp intensity fluctuations of 222 ppm. --- Disk space = 2.453053E+08 bytes free: One entry at every 5 minutes. There is space for 52148 hours ( 2173 days) more data --- 22-jan-10 23:35:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 774 --- 22-jan-10 23:44:56 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.020 . Lamp 1 (370 nm): sen(beam) = .903 ref(beam) = 1.376 . Lamp 2 (470 nm): sen(beam) = 1.435 ref(beam) = 1.540 . Lamp 3 (520 nm): sen(beam) = 1.519 ref(beam) = 2.040 . Lamp 4 (590 nm): sen(beam) = 1.361 ref(beam) = 2.704 . Lamp 5 (660 nm): sen(beam) = 2.103 ref(beam) = 2.480 . Lamp 6 (880 nm): sen(beam) = 1.708 ref(beam) = 2.358 . Lamp 7 (950 nm): sen(beam) = 1.496 ref(beam) = 2.242 ---