12-feb-13 16:50:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 37.75 hours . Total airflow this filter = 11.06 cubic meters . Mean BC concentration of all lamps = 126 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .497 sen(zero) = 0.021 . ref(beam) = 2.169 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1254 ng Mean aerosol black carbon concentration = 113 ng/m3 --- The reference beam showed lamp intensity fluctuations of 37 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .924 sen(zero) = 0.021 . ref(beam) = 2.377 ref(zero) = 0.021 . Optical attenuation of filter deposit = 84 . Total aerosol black carbon on filter = 1353 ng Mean aerosol black carbon concentration = 122 ng/m3 --- The reference beam showed lamp intensity fluctuations of 29 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .663 sen(zero) = 0.021 . ref(beam) = 2.437 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 1348 ng Mean aerosol black carbon concentration = 122 ng/m3 --- The reference beam showed lamp intensity fluctuations of 32 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .955 sen(zero) = 0.021 . ref(beam) = 1.223 ref(zero) = 0.021 . Optical attenuation of filter deposit = 69 . Total aerosol black carbon on filter = 1398 ng Mean aerosol black carbon concentration = 126 ng/m3 --- The reference beam showed lamp intensity fluctuations of 74 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.236 sen(zero) = 0.021 . ref(beam) = 2.254 ref(zero) = 0.021 . Optical attenuation of filter deposit = 64 . Total aerosol black carbon on filter = 1452 ng Mean aerosol black carbon concentration = 131 ng/m3 --- The reference beam showed lamp intensity fluctuations of 53 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.411 sen(zero) = 0.021 . ref(beam) = 3.478 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 1501 ng Mean aerosol black carbon concentration = 136 ng/m3 --- The reference beam showed lamp intensity fluctuations of 53 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.148 sen(zero) = 0.021 . ref(beam) = 4.470 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 1478 ng Mean aerosol black carbon concentration = 133 ng/m3 --- The reference beam showed lamp intensity fluctuations of 51 ppm. --- Disk space = 2.68416E+07 bytes free: One entry at every 5 minutes. There is space for 5706 hours ( 238 days) more data --- 12-feb-13 16:50:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 12-feb-13 17:04:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.298 ref(beam) = 2.138 . Lamp 2 (470 nm): sen(beam) = 2.105 ref(beam) = 2.360 . Lamp 3 (520 nm): sen(beam) = 1.389 ref(beam) = 2.429 . Lamp 4 (590 nm): sen(beam) = 1.860 ref(beam) = 1.208 . Lamp 5 (660 nm): sen(beam) = 2.316 ref(beam) = 2.236 . Lamp 6 (880 nm): sen(beam) = 2.275 ref(beam) = 3.463 . Lamp 7 (950 nm): sen(beam) = 1.766 ref(beam) = 4.424 ---