02-nov-09 14:55:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 31.33 hours . Total airflow this filter = 9.27 cubic meters . Mean BC concentration of all lamps = 175 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .315 sen(zero) = 0.021 . ref(beam) = 1.570 ref(zero) = 0.020 . Optical attenuation of filter deposit = 125 . Total aerosol black carbon on filter = 1582 ng Mean aerosol black carbon concentration = 170 ng/m3 --- The reference beam showed lamp intensity fluctuations of 333 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .565 sen(zero) = 0.021 . ref(beam) = 1.570 ref(zero) = 0.020 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1604 ng Mean aerosol black carbon concentration = 173 ng/m3 --- The reference beam showed lamp intensity fluctuations of 89 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .660 sen(zero) = 0.021 . ref(beam) = 2.066 ref(zero) = 0.020 . Optical attenuation of filter deposit = 88 . Total aerosol black carbon on filter = 1579 ng Mean aerosol black carbon concentration = 170 ng/m3 --- The reference beam showed lamp intensity fluctuations of 88 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .646 sen(zero) = 0.021 . ref(beam) = 2.782 ref(zero) = 0.020 . Optical attenuation of filter deposit = 81 . Total aerosol black carbon on filter = 1647 ng Mean aerosol black carbon concentration = 177 ng/m3 --- The reference beam showed lamp intensity fluctuations of 300 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.066 sen(zero) = 0.021 . ref(beam) = 2.550 ref(zero) = 0.020 . Optical attenuation of filter deposit = 74 . Total aerosol black carbon on filter = 1677 ng Mean aerosol black carbon concentration = 181 ng/m3 --- The reference beam showed lamp intensity fluctuations of 170 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.036 sen(zero) = 0.021 . ref(beam) = 2.409 ref(zero) = 0.020 . Optical attenuation of filter deposit = 55 . Total aerosol black carbon on filter = 1669 ng Mean aerosol black carbon concentration = 180 ng/m3 --- The reference beam showed lamp intensity fluctuations of 212 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .941 sen(zero) = 0.021 . ref(beam) = 2.251 ref(zero) = 0.020 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 1627 ng Mean aerosol black carbon concentration = 175 ng/m3 --- The reference beam showed lamp intensity fluctuations of 222 ppm. --- Disk space = 2.549187E+08 bytes free: One entry at every 5 minutes. There is space for 54192 hours ( 2258 days) more data --- 02-nov-09 14:55:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 774 --- 02-nov-09 15:04:56 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.020 . Lamp 1 (370 nm): sen(beam) = .980 ref(beam) = 1.472 . Lamp 2 (470 nm): sen(beam) = 1.506 ref(beam) = 1.575 . Lamp 3 (520 nm): sen(beam) = 1.590 ref(beam) = 2.068 . Lamp 4 (590 nm): sen(beam) = 1.414 ref(beam) = 2.722 . Lamp 5 (660 nm): sen(beam) = 2.232 ref(beam) = 2.557 . Lamp 6 (880 nm): sen(beam) = 1.799 ref(beam) = 2.416 . Lamp 7 (950 nm): sen(beam) = 1.550 ref(beam) = 2.270 --- Disk space = 2.547548E+08 bytes free: One entry at every 5 minutes. There is space for 54157 hours ( 2257 days) more data --- 02-nov-09 22:08:29 Tape feeder mechanism advancing for 1 spot(s). --- 02-nov-09 22:10:37 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 774 --- 02-nov-09 22:14:56 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.020 . Lamp 1 (370 nm): sen(beam) = 1.089 ref(beam) = 1.705 . Lamp 2 (470 nm): sen(beam) = 1.501 ref(beam) = 1.615 . Lamp 3 (520 nm): sen(beam) = 1.582 ref(beam) = 2.117 . Lamp 4 (590 nm): sen(beam) = 1.590 ref(beam) = 3.141 . Lamp 5 (660 nm): sen(beam) = 2.357 ref(beam) = 2.756 . Lamp 6 (880 nm): sen(beam) = 1.953 ref(beam) = 2.681 . Lamp 7 (950 nm): sen(beam) = 1.695 ref(beam) = 2.538 ---