13-jan-12 11:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 64.41 hours . Total airflow this filter = 18.89 cubic meters . Mean BC concentration of all lamps = 71 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .508 sen(zero) = 0.021 . ref(beam) = 2.283 ref(zero) = 0.021 . Optical attenuation of filter deposit = 99 . Total aerosol black carbon on filter = 1254 ng Mean aerosol black carbon concentration = 66 ng/m3 --- The reference beam showed lamp intensity fluctuations of 48 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .945 sen(zero) = 0.021 . ref(beam) = 2.505 ref(zero) = 0.021 . Optical attenuation of filter deposit = 83 . Total aerosol black carbon on filter = 1337 ng Mean aerosol black carbon concentration = 70 ng/m3 --- The reference beam showed lamp intensity fluctuations of 40 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .687 sen(zero) = 0.021 . ref(beam) = 2.544 ref(zero) = 0.021 . Optical attenuation of filter deposit = 74 . Total aerosol black carbon on filter = 1320 ng Mean aerosol black carbon concentration = 69 ng/m3 --- The reference beam showed lamp intensity fluctuations of 36 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.030 sen(zero) = 0.021 . ref(beam) = 1.320 ref(zero) = 0.021 . Optical attenuation of filter deposit = 67 . Total aerosol black carbon on filter = 1353 ng Mean aerosol black carbon concentration = 71 ng/m3 --- The reference beam showed lamp intensity fluctuations of 126 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.376 sen(zero) = 0.021 . ref(beam) = 2.553 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 1392 ng Mean aerosol black carbon concentration = 73 ng/m3 --- The reference beam showed lamp intensity fluctuations of 83 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.515 sen(zero) = 0.021 . ref(beam) = 3.718 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 1429 ng Mean aerosol black carbon concentration = 75 ng/m3 --- The reference beam showed lamp intensity fluctuations of 89 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.240 sen(zero) = 0.021 . ref(beam) = 4.862 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 1389 ng Mean aerosol black carbon concentration = 73 ng/m3 --- The reference beam showed lamp intensity fluctuations of 89 ppm. --- Disk space = 3.017267E+07 bytes free: One entry at every 5 minutes. There is space for 6414 hours ( 267 days) more data --- 13-jan-12 11:05:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 13-jan-12 11:19:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.251 ref(beam) = 2.247 . Lamp 2 (470 nm): sen(beam) = 2.050 ref(beam) = 2.477 . Lamp 3 (520 nm): sen(beam) = 1.353 ref(beam) = 2.517 . Lamp 4 (590 nm): sen(beam) = 1.896 ref(beam) = 1.294 . Lamp 5 (660 nm): sen(beam) = 2.420 ref(beam) = 2.520 . Lamp 6 (880 nm): sen(beam) = 2.320 ref(beam) = 3.665 . Lamp 7 (950 nm): sen(beam) = 1.821 ref(beam) = 4.777 --- 13-jan-12 19:22:43 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 8 hours . Total airflow this filter = 2.34 cubic meters . Mean BC concentration of all lamps = 117 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.014 sen(zero) = 0.021 . ref(beam) = 2.248 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 266 ng Mean aerosol black carbon concentration = 114 ng/m3 --- The reference beam showed lamp intensity fluctuations of 74 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.726 sen(zero) = 0.021 . ref(beam) = 2.475 ref(zero) = 0.021 . Optical attenuation of filter deposit = 16 . Total aerosol black carbon on filter = 272 ng Mean aerosol black carbon concentration = 117 ng/m3 --- The reference beam showed lamp intensity fluctuations of 63 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.160 sen(zero) = 0.021 . ref(beam) = 2.509 ref(zero) = 0.021 . Optical attenuation of filter deposit = 15 . Total aerosol black carbon on filter = 268 ng Mean aerosol black carbon concentration = 115 ng/m3 --- The reference beam showed lamp intensity fluctuations of 53 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.655 sen(zero) = 0.021 . ref(beam) = 1.293 ref(zero) = 0.021 . Optical attenuation of filter deposit = 13 . Total aerosol black carbon on filter = 274 ng Mean aerosol black carbon concentration = 118 ng/m3 --- The reference beam showed lamp intensity fluctuations of 228 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.129 sen(zero) = 0.021 . ref(beam) = 2.512 ref(zero) = 0.021 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 279 ng Mean aerosol black carbon concentration = 120 ng/m3 --- The reference beam showed lamp intensity fluctuations of 151 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.102 sen(zero) = 0.021 . ref(beam) = 3.646 ref(zero) = 0.021 . Optical attenuation of filter deposit = 9 . Total aerosol black carbon on filter = 280 ng Mean aerosol black carbon concentration = 120 ng/m3 --- The reference beam showed lamp intensity fluctuations of 160 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.671 sen(zero) = 0.021 . ref(beam) = 4.765 ref(zero) = 0.021 . Optical attenuation of filter deposit = 8 . Total aerosol black carbon on filter = 270 ng Mean aerosol black carbon concentration = 116 ng/m3 --- The reference beam showed lamp intensity fluctuations of 165 ppm. --- Disk space = 2.986547E+07 bytes free: One entry at every 5 minutes. There is space for 6349 hours ( 265 days) more data ---