29-apr-12 18:58:02 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 18.83 hours . Total airflow this filter = 5.52 cubic meters . Mean BC concentration of all lamps = 68 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.002 sen(zero) = 0.021 . ref(beam) = 2.178 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 371 ng Mean aerosol black carbon concentration = 67 ng/m3 --- The reference beam showed lamp intensity fluctuations of 46 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.699 sen(zero) = 0.021 . ref(beam) = 2.394 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 384 ng Mean aerosol black carbon concentration = 69 ng/m3 --- The reference beam showed lamp intensity fluctuations of 26 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.156 sen(zero) = 0.021 . ref(beam) = 2.458 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 370 ng Mean aerosol black carbon concentration = 67 ng/m3 --- The reference beam showed lamp intensity fluctuations of 25 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.578 sen(zero) = 0.021 . ref(beam) = 1.224 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 374 ng Mean aerosol black carbon concentration = 68 ng/m3 --- The reference beam showed lamp intensity fluctuations of 77 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.086 sen(zero) = 0.021 . ref(beam) = 2.365 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 381 ng Mean aerosol black carbon concentration = 69 ng/m3 --- The reference beam showed lamp intensity fluctuations of 49 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.052 sen(zero) = 0.021 . ref(beam) = 3.505 ref(zero) = 0.021 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 377 ng Mean aerosol black carbon concentration = 68 ng/m3 --- The reference beam showed lamp intensity fluctuations of 54 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.630 sen(zero) = 0.021 . ref(beam) = 4.479 ref(zero) = 0.021 . Optical attenuation of filter deposit = 11 . Total aerosol black carbon on filter = 366 ng Mean aerosol black carbon concentration = 66 ng/m3 --- The reference beam showed lamp intensity fluctuations of 52 ppm. --- Disk space = 2.448486E+07 bytes free: One entry at every 5 minutes. There is space for 5205 hours ( 217 days) more data --- Disk space = 2.439322E+07 bytes free: One entry at every 5 minutes. There is space for 5186 hours ( 216 days) more data --- 29-apr-12 19:38:06 Tape feeder mechanism advancing for 1 spot(s). --- 29-apr-12 19:41:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 29-apr-12 19:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.324 ref(beam) = 2.142 . Lamp 2 (470 nm): sen(beam) = 2.118 ref(beam) = 2.380 . Lamp 3 (520 nm): sen(beam) = 1.414 ref(beam) = 2.444 . Lamp 4 (590 nm): sen(beam) = 1.858 ref(beam) = 1.202 . Lamp 5 (660 nm): sen(beam) = 2.430 ref(beam) = 2.352 . Lamp 6 (880 nm): sen(beam) = 2.303 ref(beam) = 3.460 . Lamp 7 (950 nm): sen(beam) = 1.794 ref(beam) = 4.451 ---