15-apr-12 17:03:30 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 20.41 hours . Total airflow this filter = 5.98 cubic meters . Mean BC concentration of all lamps = 101 ng/m3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .877 sen(zero) = 0.021 . ref(beam) = 2.239 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 552 ng Mean aerosol black carbon concentration = 92 ng/m3 --- The reference beam showed lamp intensity fluctuations of 63 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.505 sen(zero) = 0.021 . ref(beam) = 2.445 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 591 ng Mean aerosol black carbon concentration = 99 ng/m3 --- The reference beam showed lamp intensity fluctuations of 49 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.027 sen(zero) = 0.021 . ref(beam) = 2.498 ref(zero) = 0.021 . Optical attenuation of filter deposit = 33 . Total aerosol black carbon on filter = 589 ng Mean aerosol black carbon concentration = 98 ng/m3 --- The reference beam showed lamp intensity fluctuations of 40 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.406 sen(zero) = 0.021 . ref(beam) = 1.233 ref(zero) = 0.021 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 603 ng Mean aerosol black carbon concentration = 101 ng/m3 --- The reference beam showed lamp intensity fluctuations of 168 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = 1.889 sen(zero) = 0.021 . ref(beam) = 2.412 ref(zero) = 0.021 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 618 ng Mean aerosol black carbon concentration = 103 ng/m3 --- The reference beam showed lamp intensity fluctuations of 104 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = 1.871 sen(zero) = 0.021 . ref(beam) = 3.528 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 652 ng Mean aerosol black carbon concentration = 109 ng/m3 --- The reference beam showed lamp intensity fluctuations of 107 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.506 sen(zero) = 0.021 . ref(beam) = 4.575 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 631 ng Mean aerosol black carbon concentration = 105 ng/m3 --- The reference beam showed lamp intensity fluctuations of 105 ppm. --- Disk space = 2.608026E+07 bytes free: One entry at every 5 minutes. There is space for 5544 hours ( 231 days) more data --- Disk space = 2.598144E+07 bytes free: One entry at every 5 minutes. There is space for 5523 hours ( 230 days) more data --- 15-apr-12 17:43:27 Tape feeder mechanism advancing for 1 spot(s). --- 15-apr-12 17:46:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 463 --- 15-apr-12 17:54:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.324 ref(beam) = 2.208 . Lamp 2 (470 nm): sen(beam) = 2.120 ref(beam) = 2.417 . Lamp 3 (520 nm): sen(beam) = 1.409 ref(beam) = 2.497 . Lamp 4 (590 nm): sen(beam) = 1.831 ref(beam) = 1.211 . Lamp 5 (660 nm): sen(beam) = 2.421 ref(beam) = 2.367 . Lamp 6 (880 nm): sen(beam) = 2.282 ref(beam) = 3.504 . Lamp 7 (950 nm): sen(beam) = 1.785 ref(beam) = 4.480 ---