25-sep-16 03:52:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 22.7 hours . Total airflow this filter = 4.95 cubic meters . Mean BC concentration of all lamps = 202 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .783 sen(zero) = 0.021 . ref(beam) = 2.366 ref(zero) = 0.033 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 192 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 278 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .721 sen(zero) = 0.021 . ref(beam) = 2.598 ref(zero) = 0.033 . Optical attenuation of filter deposit = 62 . Total aerosol black carbon on filter = 1005 ng Mean aerosol black carbon concentration = 203 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 161 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .969 sen(zero) = 0.021 . ref(beam) = 1.819 ref(zero) = 0.033 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 975 ng Mean aerosol black carbon concentration = 197 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 171 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .687 sen(zero) = 0.021 . ref(beam) = 2.266 ref(zero) = 0.033 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 1004 ng Mean aerosol black carbon concentration = 203 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 308 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .348 sen(zero) = 0.021 . ref(beam) = 1.127 ref(zero) = 0.033 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 1031 ng Mean aerosol black carbon concentration = 208 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 251 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .530 sen(zero) = 0.021 . ref(beam) = 1.187 ref(zero) = 0.033 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 1035 ng Mean aerosol black carbon concentration = 209 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 221 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .911 sen(zero) = 0.021 . ref(beam) = 1.224 ref(zero) = 0.033 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 1005 ng Mean aerosol black carbon concentration = 203 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 308 ppm. --- Disk space = 5.073633E+08 bytes free: One entry at every 2 minutes. There is space for 43143 hours ( 1798 days) more data --- 25-sep-16 03:52:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 25-sep-16 04:01:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.031 . Lamp 1 (370 nm): sen(beam) = 1.685 ref(beam) = 2.349 . Lamp 2 (470 nm): sen(beam) = 1.363 ref(beam) = 2.590 . Lamp 3 (520 nm): sen(beam) = 1.706 ref(beam) = 1.821 . Lamp 4 (590 nm): sen(beam) = 1.111 ref(beam) = 2.216 . Lamp 5 (660 nm): sen(beam) = .548 ref(beam) = 1.123 . Lamp 6 (880 nm): sen(beam) = .757 ref(beam) = 1.184 . Lamp 7 (950 nm): sen(beam) = 1.261 ref(beam) = 1.228 ---