26-jun-12 17:59:50 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 111.83 hours . Total airflow this filter = 32.78 cubic meters . Mean BC concentration of all lamps = 15 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .881 sen(zero) = 0.021 . ref(beam) = 2.183 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 533 ng Mean aerosol black carbon concentration = 16 ng/m3 --- The reference beam showed lamp intensity fluctuations of 93 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.554 sen(zero) = 0.021 . ref(beam) = 2.377 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 520 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 62 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.073 sen(zero) = 0.021 . ref(beam) = 2.438 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 494 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 45 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.464 sen(zero) = 0.021 . ref(beam) = 1.198 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 494 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 324 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.937 sen(zero) = 0.021 . ref(beam) = 2.318 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 506 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 177 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.929 sen(zero) = 0.021 . ref(beam) = 3.405 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 511 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 192 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.530 sen(zero) = 0.021 . ref(beam) = 4.433 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 498 ng Mean aerosol black carbon concentration = 15 ng/m3 --- The reference beam showed lamp intensity fluctuations of 195 ppm. --- Disk space = 2.556006E+07 bytes free: One entry at every 5 minutes. There is space for 5434 hours ( 226 days) more data --- Disk space = 2.503168E+07 bytes free: One entry at every 5 minutes. There is space for 5321 hours ( 222 days) more data --- 26-jun-12 18:02:59 Tape feeder mechanism advancing for 1 spot(s). --- 26-jun-12 18:06:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 26-jun-12 18:14:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.307 ref(beam) = 2.180 . Lamp 2 (470 nm): sen(beam) = 2.111 ref(beam) = 2.391 . Lamp 3 (520 nm): sen(beam) = 1.402 ref(beam) = 2.464 . Lamp 4 (590 nm): sen(beam) = 1.824 ref(beam) = 1.196 . Lamp 5 (660 nm): sen(beam) = 2.379 ref(beam) = 2.330 . Lamp 6 (880 nm): sen(beam) = 2.256 ref(beam) = 3.433 . Lamp 7 (950 nm): sen(beam) = 1.757 ref(beam) = 4.449 ---