26-nov-11 22:40:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 43.41 hours . Total airflow this filter = 12.73 cubic meters . Mean BC concentration of all lamps = 107 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .474 sen(zero) = 0.021 . ref(beam) = 2.208 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1255 ng Mean aerosol black carbon concentration = 98 ng/m3 --- The reference beam showed lamp intensity fluctuations of 31 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .890 sen(zero) = 0.021 . ref(beam) = 2.403 ref(zero) = 0.021 . Optical attenuation of filter deposit = 83 . Total aerosol black carbon on filter = 1342 ng Mean aerosol black carbon concentration = 105 ng/m3 --- The reference beam showed lamp intensity fluctuations of 25 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .648 sen(zero) = 0.021 . ref(beam) = 2.468 ref(zero) = 0.021 . Optical attenuation of filter deposit = 74 . Total aerosol black carbon on filter = 1322 ng Mean aerosol black carbon concentration = 104 ng/m3 --- The reference beam showed lamp intensity fluctuations of 24 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .944 sen(zero) = 0.021 . ref(beam) = 1.244 ref(zero) = 0.021 . Optical attenuation of filter deposit = 67 . Total aerosol black carbon on filter = 1366 ng Mean aerosol black carbon concentration = 107 ng/m3 --- The reference beam showed lamp intensity fluctuations of 74 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.276 sen(zero) = 0.021 . ref(beam) = 2.410 ref(zero) = 0.021 . Optical attenuation of filter deposit = 62 . Total aerosol black carbon on filter = 1416 ng Mean aerosol black carbon concentration = 111 ng/m3 --- The reference beam showed lamp intensity fluctuations of 44 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.410 sen(zero) = 0.021 . ref(beam) = 3.534 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 1449 ng Mean aerosol black carbon concentration = 114 ng/m3 --- The reference beam showed lamp intensity fluctuations of 49 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.157 sen(zero) = 0.021 . ref(beam) = 4.587 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 1426 ng Mean aerosol black carbon concentration = 112 ng/m3 --- The reference beam showed lamp intensity fluctuations of 50 ppm. --- Disk space = 1.816576E+07 bytes free: One entry at every 5 minutes. There is space for 3862 hours ( 161 days) more data --- 26-nov-11 22:40:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 26-nov-11 22:54:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.240 ref(beam) = 2.202 . Lamp 2 (470 nm): sen(beam) = 2.021 ref(beam) = 2.419 . Lamp 3 (520 nm): sen(beam) = 1.337 ref(beam) = 2.487 . Lamp 4 (590 nm): sen(beam) = 1.822 ref(beam) = 1.244 . Lamp 5 (660 nm): sen(beam) = 2.363 ref(beam) = 2.428 . Lamp 6 (880 nm): sen(beam) = 2.261 ref(beam) = 3.564 . Lamp 7 (950 nm): sen(beam) = 1.765 ref(beam) = 4.591 ---