27-nov-12 17:01:49 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 91.08 hours . Total airflow this filter = 26.69 cubic meters . Mean BC concentration of all lamps = 41 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .597 sen(zero) = 0.021 . ref(beam) = 2.264 ref(zero) = 0.021 . Optical attenuation of filter deposit = 85 . Total aerosol black carbon on filter = 1076 ng Mean aerosol black carbon concentration = 40 ng/m3 --- The reference beam showed lamp intensity fluctuations of 39 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.098 sen(zero) = 0.021 . ref(beam) = 2.465 ref(zero) = 0.021 . Optical attenuation of filter deposit = 70 . Total aerosol black carbon on filter = 1128 ng Mean aerosol black carbon concentration = 42 ng/m3 --- The reference beam showed lamp intensity fluctuations of 31 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .783 sen(zero) = 0.021 . ref(beam) = 2.489 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 1098 ng Mean aerosol black carbon concentration = 41 ng/m3 --- The reference beam showed lamp intensity fluctuations of 32 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.207 sen(zero) = 0.021 . ref(beam) = 1.330 ref(zero) = 0.021 . Optical attenuation of filter deposit = 55 . Total aerosol black carbon on filter = 1110 ng Mean aerosol black carbon concentration = 41 ng/m3 --- The reference beam showed lamp intensity fluctuations of 109 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.519 sen(zero) = 0.021 . ref(beam) = 2.413 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 1137 ng Mean aerosol black carbon concentration = 42 ng/m3 --- The reference beam showed lamp intensity fluctuations of 67 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.691 sen(zero) = 0.021 . ref(beam) = 3.681 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 1141 ng Mean aerosol black carbon concentration = 42 ng/m3 --- The reference beam showed lamp intensity fluctuations of 74 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.377 sen(zero) = 0.021 . ref(beam) = 4.796 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 1106 ng Mean aerosol black carbon concentration = 41 ng/m3 --- The reference beam showed lamp intensity fluctuations of 73 ppm. --- Disk space = 2.509517E+07 bytes free: One entry at every 5 minutes. There is space for 5335 hours ( 222 days) more data --- Disk space = 2.466406E+07 bytes free: One entry at every 5 minutes. There is space for 5243 hours ( 218 days) more data --- 27-nov-12 17:49:05 Tape feeder mechanism advancing for 1 spot(s). --- 27-nov-12 17:51:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 27-nov-12 17:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.340 ref(beam) = 2.255 . Lamp 2 (470 nm): sen(beam) = 2.158 ref(beam) = 2.471 . Lamp 3 (520 nm): sen(beam) = 1.417 ref(beam) = 2.497 . Lamp 4 (590 nm): sen(beam) = 2.036 ref(beam) = 1.321 . Lamp 5 (660 nm): sen(beam) = 2.462 ref(beam) = 2.418 . Lamp 6 (880 nm): sen(beam) = 2.421 ref(beam) = 3.685 . Lamp 7 (950 nm): sen(beam) = 1.887 ref(beam) = 4.795 ---