07-nov-10 11:15:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 41.91 hours . Total airflow this filter = 12.37 cubic meters . Mean BC concentration of all lamps = 63 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .510 sen(zero) = 0.021 . ref(beam) = 1.525 ref(zero) = 0.020 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 76 ng/m3 --- The reference beam showed lamp intensity fluctuations of 103 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.006 sen(zero) = 0.021 . ref(beam) = 1.657 ref(zero) = 0.020 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 838 ng Mean aerosol black carbon concentration = 67 ng/m3 --- The reference beam showed lamp intensity fluctuations of 32 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.074 sen(zero) = 0.021 . ref(beam) = 2.085 ref(zero) = 0.020 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 762 ng Mean aerosol black carbon concentration = 61 ng/m3 --- The reference beam showed lamp intensity fluctuations of 29 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.149 sen(zero) = 0.021 . ref(beam) = 3.127 ref(zero) = 0.020 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 753 ng Mean aerosol black carbon concentration = 61 ng/m3 --- The reference beam showed lamp intensity fluctuations of 121 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.578 sen(zero) = 0.021 . ref(beam) = 2.449 ref(zero) = 0.020 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 749 ng Mean aerosol black carbon concentration = 60 ng/m3 --- The reference beam showed lamp intensity fluctuations of 63 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.501 sen(zero) = 0.021 . ref(beam) = 2.523 ref(zero) = 0.020 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 737 ng Mean aerosol black carbon concentration = 59 ng/m3 --- The reference beam showed lamp intensity fluctuations of 92 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.376 sen(zero) = 0.021 . ref(beam) = 2.456 ref(zero) = 0.020 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 724 ng Mean aerosol black carbon concentration = 58 ng/m3 --- The reference beam showed lamp intensity fluctuations of 97 ppm. --- Disk space = 2.550333E+08 bytes free: One entry at every 5 minutes. There is space for 54216 hours ( 2259 days) more data --- 07-nov-10 11:15:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 774 --- 07-nov-10 11:24:56 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.020 . Lamp 1 (370 nm): sen(beam) = .978 ref(beam) = 1.402 . Lamp 2 (470 nm): sen(beam) = 1.659 ref(beam) = 1.630 . Lamp 3 (520 nm): sen(beam) = 1.621 ref(beam) = 2.056 . Lamp 4 (590 nm): sen(beam) = 1.607 ref(beam) = 3.021 . Lamp 5 (660 nm): sen(beam) = 2.173 ref(beam) = 2.417 . Lamp 6 (880 nm): sen(beam) = 1.898 ref(beam) = 2.494 . Lamp 7 (950 nm): sen(beam) = 1.704 ref(beam) = 2.433 ---