07-mar-12 17:26:50 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 21.33 hours . Total airflow this filter = 6.25 cubic meters . Mean BC concentration of all lamps = 68 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .462 sen(zero) = 0.021 . ref(beam) = 2.232 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 346 ng Mean aerosol black carbon concentration = 55 ng/m3 --- The reference beam showed lamp intensity fluctuations of 58 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .868 sen(zero) = 0.021 . ref(beam) = 2.428 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 399 ng Mean aerosol black carbon concentration = 64 ng/m3 --- The reference beam showed lamp intensity fluctuations of 47 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .640 sen(zero) = 0.021 . ref(beam) = 2.496 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 405 ng Mean aerosol black carbon concentration = 65 ng/m3 --- The reference beam showed lamp intensity fluctuations of 42 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .953 sen(zero) = 0.021 . ref(beam) = 1.279 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 429 ng Mean aerosol black carbon concentration = 68 ng/m3 --- The reference beam showed lamp intensity fluctuations of 130 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.253 sen(zero) = 0.021 . ref(beam) = 2.440 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 450 ng Mean aerosol black carbon concentration = 72 ng/m3 --- The reference beam showed lamp intensity fluctuations of 89 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.440 sen(zero) = 0.021 . ref(beam) = 3.616 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 478 ng Mean aerosol black carbon concentration = 76 ng/m3 --- The reference beam showed lamp intensity fluctuations of 95 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.167 sen(zero) = 0.021 . ref(beam) = 4.667 ref(zero) = 0.021 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 474 ng Mean aerosol black carbon concentration = 76 ng/m3 --- The reference beam showed lamp intensity fluctuations of 92 ppm. --- Disk space = 3.053517E+07 bytes free: One entry at every 5 minutes. There is space for 6491 hours ( 270 days) more data --- Disk space = 3.043072E+07 bytes free: One entry at every 5 minutes. There is space for 6469 hours ( 270 days) more data --- 07-mar-12 19:14:15 Tape feeder mechanism advancing for 1 spot(s). --- 07-mar-12 19:16:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 07-mar-12 19:24:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .495 ref(beam) = 2.222 . Lamp 2 (470 nm): sen(beam) = .918 ref(beam) = 2.426 . Lamp 3 (520 nm): sen(beam) = .677 ref(beam) = 2.481 . Lamp 4 (590 nm): sen(beam) = .988 ref(beam) = 1.254 . Lamp 5 (660 nm): sen(beam) = 1.296 ref(beam) = 2.437 . Lamp 6 (880 nm): sen(beam) = 1.487 ref(beam) = 3.568 . Lamp 7 (950 nm): sen(beam) = 1.195 ref(beam) = 4.662 ---