07-may-12 18:06:30 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 48.08 hours . Total airflow this filter = 14.1 cubic meters . Mean BC concentration of all lamps = 29 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .975 sen(zero) = 0.021 . ref(beam) = 2.197 ref(zero) = 0.021 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 385 ng Mean aerosol black carbon concentration = 27 ng/m3 --- The reference beam showed lamp intensity fluctuations of 45 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.641 sen(zero) = 0.021 . ref(beam) = 2.401 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 404 ng Mean aerosol black carbon concentration = 28 ng/m3 --- The reference beam showed lamp intensity fluctuations of 33 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.115 sen(zero) = 0.021 . ref(beam) = 2.462 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 402 ng Mean aerosol black carbon concentration = 28 ng/m3 --- The reference beam showed lamp intensity fluctuations of 32 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.569 sen(zero) = 0.021 . ref(beam) = 1.265 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 408 ng Mean aerosol black carbon concentration = 29 ng/m3 --- The reference beam showed lamp intensity fluctuations of 117 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.037 sen(zero) = 0.021 . ref(beam) = 2.410 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 421 ng Mean aerosol black carbon concentration = 29 ng/m3 --- The reference beam showed lamp intensity fluctuations of 73 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.004 sen(zero) = 0.021 . ref(beam) = 3.578 ref(zero) = 0.021 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 447 ng Mean aerosol black carbon concentration = 31 ng/m3 --- The reference beam showed lamp intensity fluctuations of 82 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.596 sen(zero) = 0.021 . ref(beam) = 4.580 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 431 ng Mean aerosol black carbon concentration = 30 ng/m3 --- The reference beam showed lamp intensity fluctuations of 79 ppm. --- Disk space = 3.063962E+07 bytes free: One entry at every 5 minutes. There is space for 6514 hours ( 271 days) more data --- Disk space = 3.041024E+07 bytes free: One entry at every 5 minutes. There is space for 6465 hours ( 269 days) more data --- 07-may-12 18:54:24 Tape feeder mechanism advancing for 1 spot(s). --- 07-may-12 18:56:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 07-may-12 19:04:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.291 ref(beam) = 2.170 . Lamp 2 (470 nm): sen(beam) = 2.074 ref(beam) = 2.402 . Lamp 3 (520 nm): sen(beam) = 1.376 ref(beam) = 2.446 . Lamp 4 (590 nm): sen(beam) = 1.871 ref(beam) = 1.241 . Lamp 5 (660 nm): sen(beam) = 2.411 ref(beam) = 2.411 . Lamp 6 (880 nm): sen(beam) = 2.281 ref(beam) = 3.523 . Lamp 7 (950 nm): sen(beam) = 1.782 ref(beam) = 4.574 ---