28-feb-12 00:58:13 SERIOUS INSTRUMENT PROBLEM !!! Both beam intesities are low on lamp 1 Lamp (1) maybe burned out, check --- 28-feb-12 00:58:14 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 5 hours . Total airflow this filter = 1.46 cubic meters . Mean BC concentration of all lamps = 68 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 0.0 sen(zero) = 0.021 . ref(beam) = 0.0 ref(zero) = 0.021 . Optical attenuation of filter deposit = 7 . Total aerosol black carbon on filter = 93 ng Mean aerosol black carbon concentration = 64 ng/m3 --- The reference beam showed lamp intensity fluctuations of 93 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.871 sen(zero) = 0.021 . ref(beam) = 2.438 ref(zero) = 0.021 . Optical attenuation of filter deposit = 5 . Total aerosol black carbon on filter = 94 ng Mean aerosol black carbon concentration = 65 ng/m3 --- The reference beam showed lamp intensity fluctuations of 75 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.249 sen(zero) = 0.021 . ref(beam) = 2.473 ref(zero) = 0.021 . Optical attenuation of filter deposit = 5 . Total aerosol black carbon on filter = 94 ng Mean aerosol black carbon concentration = 65 ng/m3 --- The reference beam showed lamp intensity fluctuations of 75 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.796 sen(zero) = 0.021 . ref(beam) = 1.285 ref(zero) = 0.021 . Optical attenuation of filter deposit = 5 . Total aerosol black carbon on filter = 101 ng Mean aerosol black carbon concentration = 70 ng/m3 --- The reference beam showed lamp intensity fluctuations of 260 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.257 sen(zero) = 0.021 . ref(beam) = 2.469 ref(zero) = 0.021 . Optical attenuation of filter deposit = 4 . Total aerosol black carbon on filter = 99 ng Mean aerosol black carbon concentration = 68 ng/m3 --- The reference beam showed lamp intensity fluctuations of 169 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.224 sen(zero) = 0.021 . ref(beam) = 3.604 ref(zero) = 0.021 . Optical attenuation of filter deposit = 3 . Total aerosol black carbon on filter = 105 ng Mean aerosol black carbon concentration = 72 ng/m3 --- The reference beam showed lamp intensity fluctuations of 168 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.730 sen(zero) = 0.021 . ref(beam) = 4.695 ref(zero) = 0.021 . Optical attenuation of filter deposit = 3 . Total aerosol black carbon on filter = 98 ng Mean aerosol black carbon concentration = 68 ng/m3 --- The reference beam showed lamp intensity fluctuations of 186 ppm. --- Disk space = 2.815693E+07 bytes free: One entry at every 5 minutes. There is space for 5986 hours ( 249 days) more data --- Disk space = 2.812928E+07 bytes free: One entry at every 5 minutes. There is space for 5980 hours ( 249 days) more data --- 28-feb-12 01:04:57 Tape feeder mechanism advancing for 1 spot(s). --- 28-feb-12 01:11:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 28-feb-12 01:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.322 ref(beam) = 2.220 . Lamp 2 (470 nm): sen(beam) = 2.138 ref(beam) = 2.438 . Lamp 3 (520 nm): sen(beam) = 1.410 ref(beam) = 2.485 . Lamp 4 (590 nm): sen(beam) = 1.958 ref(beam) = 1.275 . Lamp 5 (660 nm): sen(beam) = 2.518 ref(beam) = 2.467 . Lamp 6 (880 nm): sen(beam) = 2.391 ref(beam) = 3.616 . Lamp 7 (950 nm): sen(beam) = 1.871 ref(beam) = 4.688 --- 28-feb-12 17:39:08 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 16.24 hours . Total airflow this filter = 4.76 cubic meters . Mean BC concentration of all lamps = 65 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.057 sen(zero) = 0.021 . ref(beam) = 2.249 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 300 ng Mean aerosol black carbon concentration = 63 ng/m3 --- The reference beam showed lamp intensity fluctuations of 49 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.786 sen(zero) = 0.021 . ref(beam) = 2.459 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 302 ng Mean aerosol black carbon concentration = 63 ng/m3 --- The reference beam showed lamp intensity fluctuations of 34 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.199 sen(zero) = 0.021 . ref(beam) = 2.500 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 300 ng Mean aerosol black carbon concentration = 63 ng/m3 --- The reference beam showed lamp intensity fluctuations of 42 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.741 sen(zero) = 0.021 . ref(beam) = 1.317 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 304 ng Mean aerosol black carbon concentration = 64 ng/m3 --- The reference beam showed lamp intensity fluctuations of 87 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.233 sen(zero) = 0.021 . ref(beam) = 2.513 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 313 ng Mean aerosol black carbon concentration = 66 ng/m3 --- The reference beam showed lamp intensity fluctuations of 66 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.190 sen(zero) = 0.021 . ref(beam) = 3.686 ref(zero) = 0.021 . Optical attenuation of filter deposit = 10 . Total aerosol black carbon on filter = 322 ng Mean aerosol black carbon concentration = 68 ng/m3 --- The reference beam showed lamp intensity fluctuations of 70 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.735 sen(zero) = 0.021 . ref(beam) = 4.789 ref(zero) = 0.021 . Optical attenuation of filter deposit = 9 . Total aerosol black carbon on filter = 315 ng Mean aerosol black carbon concentration = 66 ng/m3 --- The reference beam showed lamp intensity fluctuations of 65 ppm. --- Disk space = 2.812928E+07 bytes free: One entry at every 5 minutes. There is space for 5980 hours ( 249 days) more data --- Disk space = 2.804941E+07 bytes free: One entry at every 5 minutes. There is space for 5963 hours ( 248 days) more data --- 28-feb-12 18:09:38 Tape feeder mechanism advancing for 1 spot(s). --- 28-feb-12 18:11:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 28-feb-12 18:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.325 ref(beam) = 2.256 . Lamp 2 (470 nm): sen(beam) = 2.144 ref(beam) = 2.478 . Lamp 3 (520 nm): sen(beam) = 1.417 ref(beam) = 2.512 . Lamp 4 (590 nm): sen(beam) = 1.995 ref(beam) = 1.307 . Lamp 5 (660 nm): sen(beam) = 2.553 ref(beam) = 2.528 . Lamp 6 (880 nm): sen(beam) = 2.404 ref(beam) = 3.676 . Lamp 7 (950 nm): sen(beam) = 1.889 ref(beam) = 4.803 ---