26-feb-13 20:48:51 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 68.66 hours . Total airflow this filter = 20.12 cubic meters . Mean BC concentration of all lamps = 54 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .568 sen(zero) = 0.021 . ref(beam) = 2.158 ref(zero) = 0.021 . Optical attenuation of filter deposit = 84 . Total aerosol black carbon on filter = 1070 ng Mean aerosol black carbon concentration = 53 ng/m3 --- The reference beam showed lamp intensity fluctuations of 56 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.079 sen(zero) = 0.021 . ref(beam) = 2.355 ref(zero) = 0.021 . Optical attenuation of filter deposit = 67 . Total aerosol black carbon on filter = 1084 ng Mean aerosol black carbon concentration = 53 ng/m3 --- The reference beam showed lamp intensity fluctuations of 48 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .768 sen(zero) = 0.021 . ref(beam) = 2.408 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 1057 ng Mean aerosol black carbon concentration = 52 ng/m3 --- The reference beam showed lamp intensity fluctuations of 41 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.104 sen(zero) = 0.021 . ref(beam) = 1.210 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 1091 ng Mean aerosol black carbon concentration = 54 ng/m3 --- The reference beam showed lamp intensity fluctuations of 223 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.420 sen(zero) = 0.021 . ref(beam) = 2.236 ref(zero) = 0.021 . Optical attenuation of filter deposit = 49 . Total aerosol black carbon on filter = 1117 ng Mean aerosol black carbon concentration = 55 ng/m3 --- The reference beam showed lamp intensity fluctuations of 139 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.561 sen(zero) = 0.021 . ref(beam) = 3.434 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 1141 ng Mean aerosol black carbon concentration = 56 ng/m3 --- The reference beam showed lamp intensity fluctuations of 149 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.266 sen(zero) = 0.021 . ref(beam) = 4.446 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 1109 ng Mean aerosol black carbon concentration = 55 ng/m3 --- The reference beam showed lamp intensity fluctuations of 147 ppm. --- Disk space = 2.537114E+07 bytes free: One entry at every 5 minutes. There is space for 5394 hours ( 225 days) more data --- Disk space = 2.504448E+07 bytes free: One entry at every 5 minutes. There is space for 5324 hours ( 222 days) more data --- 26-feb-13 20:52:14 Tape feeder mechanism advancing for 1 spot(s). --- 26-feb-13 20:56:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 26-feb-13 21:04:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.269 ref(beam) = 2.112 . Lamp 2 (470 nm): sen(beam) = 2.053 ref(beam) = 2.334 . Lamp 3 (520 nm): sen(beam) = 1.353 ref(beam) = 2.396 . Lamp 4 (590 nm): sen(beam) = 1.812 ref(beam) = 1.194 . Lamp 5 (660 nm): sen(beam) = 2.260 ref(beam) = 2.224 . Lamp 6 (880 nm): sen(beam) = 2.224 ref(beam) = 3.417 . Lamp 7 (950 nm): sen(beam) = 1.732 ref(beam) = 4.396 ---