22-feb-12 18:41:35 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 93.33 hours . Total airflow this filter = 27.37 cubic meters . Mean BC concentration of all lamps = 40 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .607 sen(zero) = 0.021 . ref(beam) = 2.233 ref(zero) = 0.021 . Optical attenuation of filter deposit = 79 . Total aerosol black carbon on filter = 1009 ng Mean aerosol black carbon concentration = 36 ng/m3 --- The reference beam showed lamp intensity fluctuations of 33 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.089 sen(zero) = 0.021 . ref(beam) = 2.431 ref(zero) = 0.021 . Optical attenuation of filter deposit = 67 . Total aerosol black carbon on filter = 1083 ng Mean aerosol black carbon concentration = 39 ng/m3 --- The reference beam showed lamp intensity fluctuations of 27 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .773 sen(zero) = 0.021 . ref(beam) = 2.496 ref(zero) = 0.021 . Optical attenuation of filter deposit = 60 . Total aerosol black carbon on filter = 1075 ng Mean aerosol black carbon concentration = 39 ng/m3 --- The reference beam showed lamp intensity fluctuations of 27 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.136 sen(zero) = 0.021 . ref(beam) = 1.285 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 1102 ng Mean aerosol black carbon concentration = 40 ng/m3 --- The reference beam showed lamp intensity fluctuations of 78 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.503 sen(zero) = 0.021 . ref(beam) = 2.451 ref(zero) = 0.021 . Optical attenuation of filter deposit = 50 . Total aerosol black carbon on filter = 1139 ng Mean aerosol black carbon concentration = 41 ng/m3 --- The reference beam showed lamp intensity fluctuations of 47 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.609 sen(zero) = 0.021 . ref(beam) = 3.631 ref(zero) = 0.021 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 1174 ng Mean aerosol black carbon concentration = 42 ng/m3 --- The reference beam showed lamp intensity fluctuations of 53 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.305 sen(zero) = 0.021 . ref(beam) = 4.668 ref(zero) = 0.021 . Optical attenuation of filter deposit = 35 . Total aerosol black carbon on filter = 1146 ng Mean aerosol black carbon concentration = 41 ng/m3 --- The reference beam showed lamp intensity fluctuations of 51 ppm. --- Disk space = 2.916608E+07 bytes free: One entry at every 5 minutes. There is space for 6200 hours ( 258 days) more data --- Disk space = 2.872474E+07 bytes free: One entry at every 5 minutes. There is space for 6106 hours ( 254 days) more data --- 22-feb-12 18:42:12 Tape feeder mechanism advancing for 1 spot(s). --- 22-feb-12 18:46:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 22-feb-12 18:54:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.309 ref(beam) = 2.201 . Lamp 2 (470 nm): sen(beam) = 2.104 ref(beam) = 2.418 . Lamp 3 (520 nm): sen(beam) = 1.390 ref(beam) = 2.481 . Lamp 4 (590 nm): sen(beam) = 1.914 ref(beam) = 1.264 . Lamp 5 (660 nm): sen(beam) = 2.462 ref(beam) = 2.442 . Lamp 6 (880 nm): sen(beam) = 2.346 ref(beam) = 3.588 . Lamp 7 (950 nm): sen(beam) = 1.826 ref(beam) = 4.641 --- Disk space = 2.872371E+07 bytes free: One entry at every 5 minutes. There is space for 6106 hours ( 254 days) more data --- 22-feb-12 19:56:13 Tape feeder mechanism advancing for 1 spot(s). --- 22-feb-12 20:01:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 22-feb-12 20:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.322 ref(beam) = 2.221 . Lamp 2 (470 nm): sen(beam) = 2.127 ref(beam) = 2.444 . Lamp 3 (520 nm): sen(beam) = 1.405 ref(beam) = 2.506 . Lamp 4 (590 nm): sen(beam) = 1.916 ref(beam) = 1.272 . Lamp 5 (660 nm): sen(beam) = 2.486 ref(beam) = 2.461 . Lamp 6 (880 nm): sen(beam) = 2.355 ref(beam) = 3.615 . Lamp 7 (950 nm): sen(beam) = 1.834 ref(beam) = 4.676 ---