31-jan-13 01:22:53 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 133 hours . Total airflow this filter = 38.98 cubic meters . Mean BC concentration of all lamps = 34 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .239 sen(zero) = 0.021 . ref(beam) = 2.178 ref(zero) = 0.021 . Optical attenuation of filter deposit = 93 . Total aerosol black carbon on filter = 1181 ng Mean aerosol black carbon concentration = 30 ng/m3 --- The reference beam showed lamp intensity fluctuations of 44 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .469 sen(zero) = 0.021 . ref(beam) = 2.395 ref(zero) = 0.021 . Optical attenuation of filter deposit = 79 . Total aerosol black carbon on filter = 1285 ng Mean aerosol black carbon concentration = 32 ng/m3 --- The reference beam showed lamp intensity fluctuations of 32 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .364 sen(zero) = 0.021 . ref(beam) = 2.424 ref(zero) = 0.021 . Optical attenuation of filter deposit = 72 . Total aerosol black carbon on filter = 1285 ng Mean aerosol black carbon concentration = 32 ng/m3 --- The reference beam showed lamp intensity fluctuations of 33 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .537 sen(zero) = 0.021 . ref(beam) = 1.223 ref(zero) = 0.021 . Optical attenuation of filter deposit = 66 . Total aerosol black carbon on filter = 1331 ng Mean aerosol black carbon concentration = 34 ng/m3 --- The reference beam showed lamp intensity fluctuations of 120 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .705 sen(zero) = 0.021 . ref(beam) = 2.280 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 1387 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 72 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .928 sen(zero) = 0.021 . ref(beam) = 3.461 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 1474 ng Mean aerosol black carbon concentration = 37 ng/m3 --- The reference beam showed lamp intensity fluctuations of 77 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .784 sen(zero) = 0.021 . ref(beam) = 4.535 ref(zero) = 0.021 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 1440 ng Mean aerosol black carbon concentration = 36 ng/m3 --- The reference beam showed lamp intensity fluctuations of 76 ppm. --- Disk space = 2.501376E+07 bytes free: One entry at every 5 minutes. There is space for 5318 hours ( 222 days) more data --- 31-jan-13 01:27:14 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 31-jan-13 01:39:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .248 ref(beam) = 2.168 . Lamp 2 (470 nm): sen(beam) = .482 ref(beam) = 2.384 . Lamp 3 (520 nm): sen(beam) = .372 ref(beam) = 2.429 . Lamp 4 (590 nm): sen(beam) = .542 ref(beam) = 1.209 . Lamp 5 (660 nm): sen(beam) = .717 ref(beam) = 2.261 . Lamp 6 (880 nm): sen(beam) = .944 ref(beam) = 3.464 . Lamp 7 (950 nm): sen(beam) = .792 ref(beam) = 4.490 --- 31-jan-13 01:51:13 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = .16 hours . Total airflow this filter = .04 cubic meters . Mean BC concentration of all lamps = 76 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .247 sen(zero) = 0.021 . ref(beam) = 2.176 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 1 ng Mean aerosol black carbon concentration = 49 ng/m3 --- The reference beam showed lamp intensity fluctuations of 3537 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .482 sen(zero) = 0.021 . ref(beam) = 2.392 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 1 ng Mean aerosol black carbon concentration = 59 ng/m3 --- The reference beam showed lamp intensity fluctuations of 3032 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .371 sen(zero) = 0.021 . ref(beam) = 2.430 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 1 ng Mean aerosol black carbon concentration = 72 ng/m3 --- The reference beam showed lamp intensity fluctuations of 1756 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .546 sen(zero) = 0.021 . ref(beam) = 1.221 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 2 ng Mean aerosol black carbon concentration = 87 ng/m3 --- The reference beam showed lamp intensity fluctuations of 5305 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .718 sen(zero) = 0.021 . ref(beam) = 2.269 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 2 ng Mean aerosol black carbon concentration = 87 ng/m3 --- The reference beam showed lamp intensity fluctuations of 4259 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .944 sen(zero) = 0.021 . ref(beam) = 3.470 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 2 ng Mean aerosol black carbon concentration = 90 ng/m3 --- The reference beam showed lamp intensity fluctuations of 4359 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .794 sen(zero) = 0.021 . ref(beam) = 4.508 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 2 ng Mean aerosol black carbon concentration = 85 ng/m3 --- The reference beam showed lamp intensity fluctuations of 4217 ppm. --- Disk space = 2.438605E+07 bytes free: One entry at every 5 minutes. There is space for 5184 hours ( 216 days) more data --- Disk space = 2.438195E+07 bytes free: One entry at every 5 minutes. There is space for 5183 hours ( 216 days) more data --- 31-jan-13 01:53:29 Tape feeder mechanism advancing for 2 spot(s). --- 31-jan-13 02:01:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 31-jan-13 02:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = .252 ref(beam) = 2.169 . Lamp 2 (470 nm): sen(beam) = .490 ref(beam) = 2.385 . Lamp 3 (520 nm): sen(beam) = .377 ref(beam) = 2.440 . Lamp 4 (590 nm): sen(beam) = .544 ref(beam) = 1.209 . Lamp 5 (660 nm): sen(beam) = .723 ref(beam) = 2.256 . Lamp 6 (880 nm): sen(beam) = .948 ref(beam) = 3.479 . Lamp 7 (950 nm): sen(beam) = .796 ref(beam) = 4.473 ---