10-may-11 16:57:12 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 90.41 hours . Total airflow this filter = 26.53 cubic meters . Mean BC concentration of all lamps = 23 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .858 sen(zero) = 0.021 . ref(beam) = 2.284 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 622 ng Mean aerosol black carbon concentration = 23 ng/m3 --- The reference beam showed lamp intensity fluctuations of 157 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.487 sen(zero) = 0.021 . ref(beam) = 2.480 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 635 ng Mean aerosol black carbon concentration = 23 ng/m3 --- The reference beam showed lamp intensity fluctuations of 106 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.038 sen(zero) = 0.021 . ref(beam) = 2.556 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 613 ng Mean aerosol black carbon concentration = 23 ng/m3 --- The reference beam showed lamp intensity fluctuations of 58 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.416 sen(zero) = 0.021 . ref(beam) = 1.245 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 620 ng Mean aerosol black carbon concentration = 23 ng/m3 --- The reference beam showed lamp intensity fluctuations of 497 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.013 sen(zero) = 0.021 . ref(beam) = 2.551 ref(zero) = 0.021 . Optical attenuation of filter deposit = 28 . Total aerosol black carbon on filter = 630 ng Mean aerosol black carbon concentration = 23 ng/m3 --- The reference beam showed lamp intensity fluctuations of 295 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.927 sen(zero) = 0.021 . ref(beam) = 3.590 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 635 ng Mean aerosol black carbon concentration = 23 ng/m3 --- The reference beam showed lamp intensity fluctuations of 313 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.545 sen(zero) = 0.021 . ref(beam) = 4.606 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 621 ng Mean aerosol black carbon concentration = 23 ng/m3 --- The reference beam showed lamp intensity fluctuations of 313 ppm. --- Disk space = 1.781606E+07 bytes free: One entry at every 5 minutes. There is space for 3787 hours ( 158 days) more data --- Disk space = 1.738803E+07 bytes free: One entry at every 5 minutes. There is space for 3696 hours ( 154 days) more data --- 10-may-11 18:11:05 Tape feeder mechanism advancing for 1 spot(s). --- 10-may-11 18:16:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 10-may-11 18:24:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.384 ref(beam) = 2.228 . Lamp 2 (470 nm): sen(beam) = 2.203 ref(beam) = 2.446 . Lamp 3 (520 nm): sen(beam) = 1.462 ref(beam) = 2.534 . Lamp 4 (590 nm): sen(beam) = 1.899 ref(beam) = 1.223 . Lamp 5 (660 nm): sen(beam) = 2.652 ref(beam) = 2.520 . Lamp 6 (880 nm): sen(beam) = 2.370 ref(beam) = 3.562 . Lamp 7 (950 nm): sen(beam) = 1.850 ref(beam) = 4.552 ---