31-dec-12 13:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 123.91 hours . Total airflow this filter = 36.31 cubic meters . Mean BC concentration of all lamps = 36 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .312 sen(zero) = 0.021 . ref(beam) = 2.214 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1253 ng Mean aerosol black carbon concentration = 34 ng/m3 --- The reference beam showed lamp intensity fluctuations of 40 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .634 sen(zero) = 0.021 . ref(beam) = 2.410 ref(zero) = 0.021 . Optical attenuation of filter deposit = 80 . Total aerosol black carbon on filter = 1301 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 29 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .473 sen(zero) = 0.021 . ref(beam) = 2.453 ref(zero) = 0.021 . Optical attenuation of filter deposit = 72 . Total aerosol black carbon on filter = 1281 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 30 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .732 sen(zero) = 0.021 . ref(beam) = 1.265 ref(zero) = 0.021 . Optical attenuation of filter deposit = 65 . Total aerosol black carbon on filter = 1312 ng Mean aerosol black carbon concentration = 36 ng/m3 --- The reference beam showed lamp intensity fluctuations of 88 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .920 sen(zero) = 0.021 . ref(beam) = 2.314 ref(zero) = 0.021 . Optical attenuation of filter deposit = 59 . Total aerosol black carbon on filter = 1345 ng Mean aerosol black carbon concentration = 37 ng/m3 --- The reference beam showed lamp intensity fluctuations of 54 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.152 sen(zero) = 0.021 . ref(beam) = 3.559 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 1434 ng Mean aerosol black carbon concentration = 39 ng/m3 --- The reference beam showed lamp intensity fluctuations of 57 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .953 sen(zero) = 0.021 . ref(beam) = 4.594 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 1386 ng Mean aerosol black carbon concentration = 38 ng/m3 --- The reference beam showed lamp intensity fluctuations of 55 ppm. --- Disk space = 2.49984E+07 bytes free: One entry at every 5 minutes. There is space for 5314 hours ( 221 days) more data --- 31-dec-12 13:25:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 31-dec-12 13:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .408 ref(beam) = 2.203 . Lamp 2 (470 nm): sen(beam) = .779 ref(beam) = 2.390 . Lamp 3 (520 nm): sen(beam) = .575 ref(beam) = 2.453 . Lamp 4 (590 nm): sen(beam) = .849 ref(beam) = 1.250 . Lamp 5 (660 nm): sen(beam) = 1.058 ref(beam) = 2.283 . Lamp 6 (880 nm): sen(beam) = 1.297 ref(beam) = 3.550 . Lamp 7 (950 nm): sen(beam) = 1.049 ref(beam) = 4.539 --- 31-dec-12 20:46:05 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 7.08 hours . Total airflow this filter = 2.07 cubic meters . Mean BC concentration of all lamps = 50 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .376 sen(zero) = 0.021 . ref(beam) = 2.207 ref(zero) = 0.021 . Optical attenuation of filter deposit = 7 . Total aerosol black carbon on filter = 94 ng Mean aerosol black carbon concentration = 46 ng/m3 --- The reference beam showed lamp intensity fluctuations of 78 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .722 sen(zero) = 0.021 . ref(beam) = 2.393 ref(zero) = 0.021 . Optical attenuation of filter deposit = 6 . Total aerosol black carbon on filter = 102 ng Mean aerosol black carbon concentration = 49 ng/m3 --- The reference beam showed lamp intensity fluctuations of 55 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .538 sen(zero) = 0.021 . ref(beam) = 2.448 ref(zero) = 0.021 . Optical attenuation of filter deposit = 5 . Total aerosol black carbon on filter = 101 ng Mean aerosol black carbon concentration = 49 ng/m3 --- The reference beam showed lamp intensity fluctuations of 39 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .809 sen(zero) = 0.021 . ref(beam) = 1.261 ref(zero) = 0.021 . Optical attenuation of filter deposit = 5 . Total aerosol black carbon on filter = 104 ng Mean aerosol black carbon concentration = 50 ng/m3 --- The reference beam showed lamp intensity fluctuations of 228 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.000 sen(zero) = 0.021 . ref(beam) = 2.288 ref(zero) = 0.021 . Optical attenuation of filter deposit = 4 . Total aerosol black carbon on filter = 107 ng Mean aerosol black carbon concentration = 52 ng/m3 --- The reference beam showed lamp intensity fluctuations of 133 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.242 sen(zero) = 0.021 . ref(beam) = 3.550 ref(zero) = 0.021 . Optical attenuation of filter deposit = 3 . Total aerosol black carbon on filter = 111 ng Mean aerosol black carbon concentration = 54 ng/m3 --- The reference beam showed lamp intensity fluctuations of 149 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.011 sen(zero) = 0.021 . ref(beam) = 4.549 ref(zero) = 0.021 . Optical attenuation of filter deposit = 3 . Total aerosol black carbon on filter = 106 ng Mean aerosol black carbon concentration = 52 ng/m3 --- The reference beam showed lamp intensity fluctuations of 153 ppm. --- Disk space = 2.441267E+07 bytes free: One entry at every 5 minutes. There is space for 5190 hours ( 216 days) more data --- Disk space = 2.437581E+07 bytes free: One entry at every 5 minutes. There is space for 5182 hours ( 216 days) more data --- 31-dec-12 21:01:00 Tape feeder mechanism advancing for 1 spot(s). --- 31-dec-12 21:06:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 31-dec-12 21:14:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .721 ref(beam) = 2.199 . Lamp 2 (470 nm): sen(beam) = 1.252 ref(beam) = 2.394 . Lamp 3 (520 nm): sen(beam) = .861 ref(beam) = 2.447 . Lamp 4 (590 nm): sen(beam) = 1.244 ref(beam) = 1.246 . Lamp 5 (660 nm): sen(beam) = 1.491 ref(beam) = 2.288 . Lamp 6 (880 nm): sen(beam) = 1.712 ref(beam) = 3.536 . Lamp 7 (950 nm): sen(beam) = 1.337 ref(beam) = 4.541 ---