15-may-12 14:50:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 187.74 hours . Total airflow this filter = 55.04 cubic meters . Mean BC concentration of all lamps = 25 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .487 sen(zero) = 0.021 . ref(beam) = 2.154 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1253 ng Mean aerosol black carbon concentration = 22 ng/m3 --- The reference beam showed lamp intensity fluctuations of 115 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .895 sen(zero) = 0.021 . ref(beam) = 2.369 ref(zero) = 0.021 . Optical attenuation of filter deposit = 83 . Total aerosol black carbon on filter = 1348 ng Mean aerosol black carbon concentration = 24 ng/m3 --- The reference beam showed lamp intensity fluctuations of 80 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .648 sen(zero) = 0.021 . ref(beam) = 2.411 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 1341 ng Mean aerosol black carbon concentration = 24 ng/m3 --- The reference beam showed lamp intensity fluctuations of 52 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .908 sen(zero) = 0.021 . ref(beam) = 1.186 ref(zero) = 0.021 . Optical attenuation of filter deposit = 68 . Total aerosol black carbon on filter = 1389 ng Mean aerosol black carbon concentration = 25 ng/m3 --- The reference beam showed lamp intensity fluctuations of 346 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.243 sen(zero) = 0.021 . ref(beam) = 2.327 ref(zero) = 0.021 . Optical attenuation of filter deposit = 63 . Total aerosol black carbon on filter = 1430 ng Mean aerosol black carbon concentration = 25 ng/m3 --- The reference beam showed lamp intensity fluctuations of 202 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.348 sen(zero) = 0.021 . ref(beam) = 3.390 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 1484 ng Mean aerosol black carbon concentration = 26 ng/m3 --- The reference beam showed lamp intensity fluctuations of 220 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.108 sen(zero) = 0.021 . ref(beam) = 4.418 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 1452 ng Mean aerosol black carbon concentration = 26 ng/m3 --- The reference beam showed lamp intensity fluctuations of 217 ppm. --- Disk space = 3.041024E+07 bytes free: One entry at every 5 minutes. There is space for 6465 hours ( 269 days) more data --- 15-may-12 14:50:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 15-may-12 15:04:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.292 ref(beam) = 2.144 . Lamp 2 (470 nm): sen(beam) = 2.089 ref(beam) = 2.378 . Lamp 3 (520 nm): sen(beam) = 1.381 ref(beam) = 2.444 . Lamp 4 (590 nm): sen(beam) = 1.803 ref(beam) = 1.193 . Lamp 5 (660 nm): sen(beam) = 2.374 ref(beam) = 2.335 . Lamp 6 (880 nm): sen(beam) = 2.223 ref(beam) = 3.434 . Lamp 7 (950 nm): sen(beam) = 1.743 ref(beam) = 4.423 ---