28-sep-16 13:45:09 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 14.6 hours . Total airflow this filter = 3.19 cubic meters . Mean BC concentration of all lamps = 276 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .927 sen(zero) = 0.021 . ref(beam) = 2.487 ref(zero) = 0.028 . Optical attenuation of filter deposit = 65 . Total aerosol black carbon on filter = 824 ng Mean aerosol black carbon concentration = 258 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 176 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .833 sen(zero) = 0.021 . ref(beam) = 2.726 ref(zero) = 0.028 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 876 ng Mean aerosol black carbon concentration = 275 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 94 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.101 sen(zero) = 0.021 . ref(beam) = 1.915 ref(zero) = 0.028 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 858 ng Mean aerosol black carbon concentration = 269 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 100 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .766 sen(zero) = 0.021 . ref(beam) = 2.385 ref(zero) = 0.028 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 888 ng Mean aerosol black carbon concentration = 279 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 285 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .385 sen(zero) = 0.021 . ref(beam) = 1.162 ref(zero) = 0.028 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 906 ng Mean aerosol black carbon concentration = 284 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 161 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .585 sen(zero) = 0.021 . ref(beam) = 1.244 ref(zero) = 0.028 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 921 ng Mean aerosol black carbon concentration = 289 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 183 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.001 sen(zero) = 0.021 . ref(beam) = 1.283 ref(zero) = 0.028 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 895 ng Mean aerosol black carbon concentration = 281 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 221 ppm. --- Disk space = 5.062656E+08 bytes free: One entry at every 2 minutes. There is space for 43050 hours ( 1794 days) more data --- Disk space = 5.060854E+08 bytes free: One entry at every 2 minutes. There is space for 43034 hours ( 1793 days) more data --- 28-sep-16 14:18:23 Tape feeder mechanism advancing for 2 spot(s). --- 28-sep-16 14:22:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 28-sep-16 14:27:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.026 . Lamp 1 (370 nm): sen(beam) = 1.778 ref(beam) = 2.358 . Lamp 2 (470 nm): sen(beam) = 1.453 ref(beam) = 2.615 . Lamp 3 (520 nm): sen(beam) = 1.807 ref(beam) = 1.840 . Lamp 4 (590 nm): sen(beam) = 1.169 ref(beam) = 2.231 . Lamp 5 (660 nm): sen(beam) = .576 ref(beam) = 1.117 . Lamp 6 (880 nm): sen(beam) = .798 ref(beam) = 1.190 . Lamp 7 (950 nm): sen(beam) = 1.329 ref(beam) = 1.228 --- 28-sep-16 17:36:52 Instrument problem. Problem with Battery Voltage Battery Voltage is 10.79V, which is less than 10.8V. --- 28-sep-16 17:36:52 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 3.13 hours . Total airflow this filter = .43 cubic meters . Mean BC concentration of all lamps = 1100 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.164 sen(zero) = 0.021 . ref(beam) = 2.347 ref(zero) = 0.026 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 504 ng Mean aerosol black carbon concentration = 1177 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1274 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.054 sen(zero) = 0.021 . ref(beam) = 2.603 ref(zero) = 0.026 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 490 ng Mean aerosol black carbon concentration = 1147 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1274 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.371 sen(zero) = 0.021 . ref(beam) = 1.830 ref(zero) = 0.026 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 463 ng Mean aerosol black carbon concentration = 1083 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1280 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .926 sen(zero) = 0.021 . ref(beam) = 2.240 ref(zero) = 0.026 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 470 ng Mean aerosol black carbon concentration = 1100 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1351 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .464 sen(zero) = 0.021 . ref(beam) = 1.109 ref(zero) = 0.026 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 469 ng Mean aerosol black carbon concentration = 1098 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1352 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .679 sen(zero) = 0.021 . ref(beam) = 1.181 ref(zero) = 0.026 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 459 ng Mean aerosol black carbon concentration = 1074 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1419 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.150 sen(zero) = 0.021 . ref(beam) = 1.219 ref(zero) = 0.026 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 435 ng Mean aerosol black carbon concentration = 1018 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1609 ppm. --- Disk space = 5.060854E+08 bytes free: One entry at every 2 minutes. There is space for 43034 hours ( 1793 days) more data ---