08-feb-12 18:55:14 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 40.49 hours . Total airflow this filter = 11.87 cubic meters . Mean BC concentration of all lamps = 35 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .972 sen(zero) = 0.021 . ref(beam) = 2.252 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 423 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 59 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.672 sen(zero) = 0.021 . ref(beam) = 2.460 ref(zero) = 0.021 . Optical attenuation of filter deposit = 26 . Total aerosol black carbon on filter = 425 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 42 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.135 sen(zero) = 0.021 . ref(beam) = 2.510 ref(zero) = 0.021 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 412 ng Mean aerosol black carbon concentration = 34 ng/m3 --- The reference beam showed lamp intensity fluctuations of 37 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.573 sen(zero) = 0.021 . ref(beam) = 1.261 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 420 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 163 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 2.078 sen(zero) = 0.021 . ref(beam) = 2.459 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 427 ng Mean aerosol black carbon concentration = 36 ng/m3 --- The reference beam showed lamp intensity fluctuations of 95 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 2.034 sen(zero) = 0.021 . ref(beam) = 3.579 ref(zero) = 0.021 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 436 ng Mean aerosol black carbon concentration = 36 ng/m3 --- The reference beam showed lamp intensity fluctuations of 107 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.622 sen(zero) = 0.021 . ref(beam) = 4.669 ref(zero) = 0.021 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 421 ng Mean aerosol black carbon concentration = 35 ng/m3 --- The reference beam showed lamp intensity fluctuations of 107 ppm. --- Disk space = 3.049933E+07 bytes free: One entry at every 5 minutes. There is space for 6484 hours ( 270 days) more data --- Disk space = 3.030528E+07 bytes free: One entry at every 5 minutes. There is space for 6442 hours ( 268 days) more data --- 08-feb-12 19:09:48 Tape feeder mechanism advancing for 1 spot(s). --- 08-feb-12 19:16:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 08-feb-12 19:24:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.323 ref(beam) = 2.212 . Lamp 2 (470 nm): sen(beam) = 2.132 ref(beam) = 2.435 . Lamp 3 (520 nm): sen(beam) = 1.406 ref(beam) = 2.493 . Lamp 4 (590 nm): sen(beam) = 1.872 ref(beam) = 1.239 . Lamp 5 (660 nm): sen(beam) = 2.452 ref(beam) = 2.435 . Lamp 6 (880 nm): sen(beam) = 2.309 ref(beam) = 3.545 . Lamp 7 (950 nm): sen(beam) = 1.810 ref(beam) = 4.613 ---