09-nov-11 17:54:26 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 46.66 hours . Total airflow this filter = 13.68 cubic meters . Mean BC concentration of all lamps = 16 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.174 sen(zero) = 0.021 . ref(beam) = 2.284 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 227 ng Mean aerosol black carbon concentration = 16 ng/m3 --- The reference beam showed lamp intensity fluctuations of 60 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.932 sen(zero) = 0.021 . ref(beam) = 2.476 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 221 ng Mean aerosol black carbon concentration = 16 ng/m3 --- The reference beam showed lamp intensity fluctuations of 49 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.310 sen(zero) = 0.021 . ref(beam) = 2.532 ref(zero) = 0.021 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 215 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 43 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.864 sen(zero) = 0.021 . ref(beam) = 1.314 ref(zero) = 0.021 . Optical attenuation of filter deposit = 10 . Total aerosol black carbon on filter = 207 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 178 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.390 sen(zero) = 0.021 . ref(beam) = 2.529 ref(zero) = 0.021 . Optical attenuation of filter deposit = 9 . Total aerosol black carbon on filter = 216 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 110 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.304 sen(zero) = 0.021 . ref(beam) = 3.687 ref(zero) = 0.021 . Optical attenuation of filter deposit = 8 . Total aerosol black carbon on filter = 241 ng Mean aerosol black carbon concentration = 17 ng/m3 --- The reference beam showed lamp intensity fluctuations of 116 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.806 sen(zero) = 0.021 . ref(beam) = 4.783 ref(zero) = 0.021 . Optical attenuation of filter deposit = 7 . Total aerosol black carbon on filter = 228 ng Mean aerosol black carbon concentration = 16 ng/m3 --- The reference beam showed lamp intensity fluctuations of 117 ppm. --- Disk space = 2.008678E+07 bytes free: One entry at every 5 minutes. There is space for 4270 hours ( 178 days) more data --- Disk space = 1.986406E+07 bytes free: One entry at every 5 minutes. There is space for 4223 hours ( 176 days) more data --- 09-nov-11 18:41:53 Tape feeder mechanism advancing for 1 spot(s). --- 09-nov-11 18:46:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 09-nov-11 18:54:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.383 ref(beam) = 2.266 . Lamp 2 (470 nm): sen(beam) = 2.196 ref(beam) = 2.458 . Lamp 3 (520 nm): sen(beam) = 1.463 ref(beam) = 2.529 . Lamp 4 (590 nm): sen(beam) = 2.018 ref(beam) = 1.297 . Lamp 5 (660 nm): sen(beam) = 2.609 ref(beam) = 2.501 . Lamp 6 (880 nm): sen(beam) = 2.451 ref(beam) = 3.665 . Lamp 7 (950 nm): sen(beam) = 1.912 ref(beam) = 4.732 ---