03-oct-12 18:28:28 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 144.5 hours . Total airflow this filter = 42.34 cubic meters . Mean BC concentration of all lamps = 6 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.068 sen(zero) = 0.021 . ref(beam) = 2.204 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 279 ng Mean aerosol black carbon concentration = 6 ng/m3 --- The reference beam showed lamp intensity fluctuations of 145 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.782 sen(zero) = 0.021 . ref(beam) = 2.399 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 278 ng Mean aerosol black carbon concentration = 6 ng/m3 --- The reference beam showed lamp intensity fluctuations of 94 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.209 sen(zero) = 0.021 . ref(beam) = 2.452 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 272 ng Mean aerosol black carbon concentration = 6 ng/m3 --- The reference beam showed lamp intensity fluctuations of 53 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.641 sen(zero) = 0.021 . ref(beam) = 1.216 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 277 ng Mean aerosol black carbon concentration = 6 ng/m3 --- The reference beam showed lamp intensity fluctuations of 485 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.064 sen(zero) = 0.021 . ref(beam) = 2.285 ref(zero) = 0.021 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 280 ng Mean aerosol black carbon concentration = 6 ng/m3 --- The reference beam showed lamp intensity fluctuations of 267 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.069 sen(zero) = 0.021 . ref(beam) = 3.456 ref(zero) = 0.021 . Optical attenuation of filter deposit = 10 . Total aerosol black carbon on filter = 309 ng Mean aerosol black carbon concentration = 7 ng/m3 --- The reference beam showed lamp intensity fluctuations of 296 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.619 sen(zero) = 0.021 . ref(beam) = 4.467 ref(zero) = 0.021 . Optical attenuation of filter deposit = 9 . Total aerosol black carbon on filter = 297 ng Mean aerosol black carbon concentration = 7 ng/m3 --- The reference beam showed lamp intensity fluctuations of 298 ppm. --- Disk space = 2.469632E+07 bytes free: One entry at every 5 minutes. There is space for 5250 hours ( 219 days) more data --- Disk space = 2.751846E+07 bytes free: One entry at every 5 minutes. There is space for 5850 hours ( 244 days) more data --- 03-oct-12 18:50:33 Tape feeder mechanism advancing for 1 spot(s). --- 03-oct-12 18:56:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 03-oct-12 19:04:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.324 ref(beam) = 2.178 . Lamp 2 (470 nm): sen(beam) = 2.129 ref(beam) = 2.404 . Lamp 3 (520 nm): sen(beam) = 1.411 ref(beam) = 2.452 . Lamp 4 (590 nm): sen(beam) = 1.851 ref(beam) = 1.199 . Lamp 5 (660 nm): sen(beam) = 2.347 ref(beam) = 2.286 . Lamp 6 (880 nm): sen(beam) = 2.279 ref(beam) = 3.435 . Lamp 7 (950 nm): sen(beam) = 1.772 ref(beam) = 4.460 ---