22-mar-13 02:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 47.58 hours . Total airflow this filter = 13.94 cubic meters . Mean BC concentration of all lamps = 100 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .498 sen(zero) = 0.021 . ref(beam) = 2.102 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1253 ng Mean aerosol black carbon concentration = 90 ng/m3 --- The reference beam showed lamp intensity fluctuations of 65 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .916 sen(zero) = 0.021 . ref(beam) = 2.300 ref(zero) = 0.021 . Optical attenuation of filter deposit = 83 . Total aerosol black carbon on filter = 1347 ng Mean aerosol black carbon concentration = 96 ng/m3 --- The reference beam showed lamp intensity fluctuations of 49 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .651 sen(zero) = 0.021 . ref(beam) = 2.360 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 1345 ng Mean aerosol black carbon concentration = 96 ng/m3 --- The reference beam showed lamp intensity fluctuations of 42 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .940 sen(zero) = 0.021 . ref(beam) = 1.198 ref(zero) = 0.021 . Optical attenuation of filter deposit = 68 . Total aerosol black carbon on filter = 1387 ng Mean aerosol black carbon concentration = 99 ng/m3 --- The reference beam showed lamp intensity fluctuations of 167 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.225 sen(zero) = 0.021 . ref(beam) = 2.189 ref(zero) = 0.021 . Optical attenuation of filter deposit = 63 . Total aerosol black carbon on filter = 1439 ng Mean aerosol black carbon concentration = 103 ng/m3 --- The reference beam showed lamp intensity fluctuations of 105 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.370 sen(zero) = 0.021 . ref(beam) = 3.377 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 1513 ng Mean aerosol black carbon concentration = 108 ng/m3 --- The reference beam showed lamp intensity fluctuations of 114 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.121 sen(zero) = 0.021 . ref(beam) = 4.358 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 1489 ng Mean aerosol black carbon concentration = 106 ng/m3 --- The reference beam showed lamp intensity fluctuations of 109 ppm. --- Disk space = 2.549043E+07 bytes free: One entry at every 5 minutes. There is space for 5419 hours ( 226 days) more data --- 22-mar-13 02:55:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 22-mar-13 03:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.280 ref(beam) = 2.084 . Lamp 2 (470 nm): sen(beam) = 2.057 ref(beam) = 2.321 . Lamp 3 (520 nm): sen(beam) = 1.357 ref(beam) = 2.370 . Lamp 4 (590 nm): sen(beam) = 1.817 ref(beam) = 1.193 . Lamp 5 (660 nm): sen(beam) = 2.265 ref(beam) = 2.213 . Lamp 6 (880 nm): sen(beam) = 2.226 ref(beam) = 3.401 . Lamp 7 (950 nm): sen(beam) = 1.731 ref(beam) = 4.372 ---