04-feb-12 00:07:46 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 21.5 hours . Total airflow this filter = 6.3 cubic meters . Mean BC concentration of all lamps = 35 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.130 sen(zero) = 0.021 . ref(beam) = 2.243 ref(zero) = 0.021 . Optical attenuation of filter deposit = 17 . Total aerosol black carbon on filter = 218 ng Mean aerosol black carbon concentration = 34 ng/m3 --- The reference beam showed lamp intensity fluctuations of 49 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.880 sen(zero) = 0.021 . ref(beam) = 2.448 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 216 ng Mean aerosol black carbon concentration = 34 ng/m3 --- The reference beam showed lamp intensity fluctuations of 41 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.262 sen(zero) = 0.021 . ref(beam) = 2.507 ref(zero) = 0.021 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 215 ng Mean aerosol black carbon concentration = 34 ng/m3 --- The reference beam showed lamp intensity fluctuations of 44 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.764 sen(zero) = 0.021 . ref(beam) = 1.280 ref(zero) = 0.021 . Optical attenuation of filter deposit = 11 . Total aerosol black carbon on filter = 225 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 172 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.285 sen(zero) = 0.021 . ref(beam) = 2.463 ref(zero) = 0.021 . Optical attenuation of filter deposit = 9 . Total aerosol black carbon on filter = 222 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 114 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.209 sen(zero) = 0.021 . ref(beam) = 3.621 ref(zero) = 0.021 . Optical attenuation of filter deposit = 7 . Total aerosol black carbon on filter = 234 ng Mean aerosol black carbon concentration = 37 ng/m3 --- The reference beam showed lamp intensity fluctuations of 118 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.735 sen(zero) = 0.021 . ref(beam) = 4.684 ref(zero) = 0.021 . Optical attenuation of filter deposit = 6 . Total aerosol black carbon on filter = 221 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 118 ppm. --- Disk space = 3.093862E+07 bytes free: One entry at every 5 minutes. There is space for 6577 hours ( 274 days) more data --- Disk space = 3.083418E+07 bytes free: One entry at every 5 minutes. There is space for 6555 hours ( 273 days) more data --- 04-feb-12 00:19:41 Tape feeder mechanism advancing for 1 spot(s). --- 04-feb-12 00:26:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 04-feb-12 00:34:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.191 ref(beam) = 2.231 . Lamp 2 (470 nm): sen(beam) = 1.952 ref(beam) = 2.446 . Lamp 3 (520 nm): sen(beam) = 1.323 ref(beam) = 2.506 . Lamp 4 (590 nm): sen(beam) = 1.810 ref(beam) = 1.261 . Lamp 5 (660 nm): sen(beam) = 2.324 ref(beam) = 2.454 . Lamp 6 (880 nm): sen(beam) = 2.264 ref(beam) = 3.599 . Lamp 7 (950 nm): sen(beam) = 1.768 ref(beam) = 4.650 --- 04-feb-12 19:12:09 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 18.58 hours . Total airflow this filter = 5.45 cubic meters . Mean BC concentration of all lamps = 54 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .964 sen(zero) = 0.021 . ref(beam) = 2.274 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 294 ng Mean aerosol black carbon concentration = 54 ng/m3 --- The reference beam showed lamp intensity fluctuations of 65 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.651 sen(zero) = 0.021 . ref(beam) = 2.483 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 294 ng Mean aerosol black carbon concentration = 54 ng/m3 --- The reference beam showed lamp intensity fluctuations of 51 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.139 sen(zero) = 0.021 . ref(beam) = 2.533 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 288 ng Mean aerosol black carbon concentration = 53 ng/m3 --- The reference beam showed lamp intensity fluctuations of 46 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.652 sen(zero) = 0.021 . ref(beam) = 1.325 ref(zero) = 0.021 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 288 ng Mean aerosol black carbon concentration = 53 ng/m3 --- The reference beam showed lamp intensity fluctuations of 186 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.100 sen(zero) = 0.021 . ref(beam) = 2.531 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 298 ng Mean aerosol black carbon concentration = 55 ng/m3 --- The reference beam showed lamp intensity fluctuations of 121 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.110 sen(zero) = 0.021 . ref(beam) = 3.719 ref(zero) = 0.021 . Optical attenuation of filter deposit = 10 . Total aerosol black carbon on filter = 310 ng Mean aerosol black carbon concentration = 57 ng/m3 --- The reference beam showed lamp intensity fluctuations of 131 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.672 sen(zero) = 0.021 . ref(beam) = 4.815 ref(zero) = 0.021 . Optical attenuation of filter deposit = 9 . Total aerosol black carbon on filter = 296 ng Mean aerosol black carbon concentration = 54 ng/m3 --- The reference beam showed lamp intensity fluctuations of 134 ppm. --- Disk space = 3.083418E+07 bytes free: One entry at every 5 minutes. There is space for 6555 hours ( 273 days) more data --- Disk space = 3.074304E+07 bytes free: One entry at every 5 minutes. There is space for 6536 hours ( 272 days) more data --- 04-feb-12 20:14:32 Tape feeder mechanism advancing for 1 spot(s). --- 04-feb-12 20:16:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 04-feb-12 20:24:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.181 ref(beam) = 2.257 . Lamp 2 (470 nm): sen(beam) = 1.951 ref(beam) = 2.456 . Lamp 3 (520 nm): sen(beam) = 1.302 ref(beam) = 2.532 . Lamp 4 (590 nm): sen(beam) = 1.840 ref(beam) = 1.310 . Lamp 5 (660 nm): sen(beam) = 2.357 ref(beam) = 2.495 . Lamp 6 (880 nm): sen(beam) = 2.286 ref(beam) = 3.707 . Lamp 7 (950 nm): sen(beam) = 1.795 ref(beam) = 4.756 ---