02-mar-12 18:18:55 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 23.16 hours . Total airflow this filter = 6.79 cubic meters . Mean BC concentration of all lamps = 77 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .924 sen(zero) = 0.021 . ref(beam) = 2.255 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 487 ng Mean aerosol black carbon concentration = 72 ng/m3 --- The reference beam showed lamp intensity fluctuations of 47 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.583 sen(zero) = 0.021 . ref(beam) = 2.466 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 516 ng Mean aerosol black carbon concentration = 76 ng/m3 --- The reference beam showed lamp intensity fluctuations of 39 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.075 sen(zero) = 0.021 . ref(beam) = 2.508 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 511 ng Mean aerosol black carbon concentration = 75 ng/m3 --- The reference beam showed lamp intensity fluctuations of 39 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.573 sen(zero) = 0.021 . ref(beam) = 1.317 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 524 ng Mean aerosol black carbon concentration = 77 ng/m3 --- The reference beam showed lamp intensity fluctuations of 124 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.037 sen(zero) = 0.021 . ref(beam) = 2.515 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 541 ng Mean aerosol black carbon concentration = 79 ng/m3 --- The reference beam showed lamp intensity fluctuations of 77 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.032 sen(zero) = 0.021 . ref(beam) = 3.683 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 553 ng Mean aerosol black carbon concentration = 81 ng/m3 --- The reference beam showed lamp intensity fluctuations of 85 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.621 sen(zero) = 0.021 . ref(beam) = 4.793 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 542 ng Mean aerosol black carbon concentration = 80 ng/m3 --- The reference beam showed lamp intensity fluctuations of 80 ppm. --- Disk space = 3.108454E+07 bytes free: One entry at every 5 minutes. There is space for 6608 hours ( 275 days) more data --- Disk space = 3.097139E+07 bytes free: One entry at every 5 minutes. There is space for 6584 hours ( 274 days) more data --- 02-mar-12 19:49:27 Tape feeder mechanism advancing for 1 spot(s). --- 02-mar-12 19:51:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 02-mar-12 19:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.292 ref(beam) = 2.237 . Lamp 2 (470 nm): sen(beam) = 2.091 ref(beam) = 2.460 . Lamp 3 (520 nm): sen(beam) = 1.382 ref(beam) = 2.515 . Lamp 4 (590 nm): sen(beam) = 1.958 ref(beam) = 1.306 . Lamp 5 (660 nm): sen(beam) = 2.485 ref(beam) = 2.509 . Lamp 6 (880 nm): sen(beam) = 2.383 ref(beam) = 3.696 . Lamp 7 (950 nm): sen(beam) = 1.862 ref(beam) = 4.770 ---