22-jun-19 18:04:54 SERIOUS INSTRUMENT PROBLEM !!! Problem with air flow pump or plumbing. Flow < 1 vLPM. --- 22-jun-19 18:04:54 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 52.49 hours . Total airflow this filter = 4.86 cubic meters . Mean BC concentration of all lamps = 144 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 1.145 sen(zero) = 0.021 . ref(beam) = 2.337 ref(zero) = 0.021 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 781 ng Mean aerosol black carbon concentration = 160 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 209 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .996 sen(zero) = 0.021 . ref(beam) = 2.475 ref(zero) = 0.021 . Optical attenuation of filter deposit = 47 . Total aerosol black carbon on filter = 767 ng Mean aerosol black carbon concentration = 157 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 147 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.396 sen(zero) = 0.021 . ref(beam) = 1.741 ref(zero) = 0.021 . Optical attenuation of filter deposit = 40 . Total aerosol black carbon on filter = 714 ng Mean aerosol black carbon concentration = 147 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 165 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.001 sen(zero) = 0.021 . ref(beam) = 2.341 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 703 ng Mean aerosol black carbon concentration = 144 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 422 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .357 sen(zero) = 0.021 . ref(beam) = .777 ref(zero) = 0.021 . Optical attenuation of filter deposit = 31 . Total aerosol black carbon on filter = 700 ng Mean aerosol black carbon concentration = 144 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 244 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .748 sen(zero) = 0.021 . ref(beam) = 1.137 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 643 ng Mean aerosol black carbon concentration = 132 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 319 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.299 sen(zero) = 0.021 . ref(beam) = 1.198 ref(zero) = 0.021 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 610 ng Mean aerosol black carbon concentration = 125 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 337 ppm. --- Disk space = 2.536653E+08 bytes free: One entry at every 10 minutes. There is space for 107851 hours ( 4494 days) more data --- Disk space = 2.535342E+08 bytes free: One entry at every 10 minutes. There is space for 107795 hours ( 4491 days) more data --- 22-jun-19 19:23:42 Tape feeder mechanism advancing for 2 spot(s). --- 22-jun-19 19:36:00 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 22-jun-19 19:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.991 ref(beam) = 2.308 . Lamp 2 (470 nm): sen(beam) = 1.517 ref(beam) = 2.470 . Lamp 3 (520 nm): sen(beam) = 1.989 ref(beam) = 1.732 . Lamp 4 (590 nm): sen(beam) = 1.304 ref(beam) = 2.269 . Lamp 5 (660 nm): sen(beam) = .457 ref(beam) = .776 . Lamp 6 (880 nm): sen(beam) = .874 ref(beam) = 1.126 . Lamp 7 (950 nm): sen(beam) = 1.478 ref(beam) = 1.189 --- 22-jun-19 19:54:43 SERIOUS INSTRUMENT PROBLEM !!! Problem with air flow pump or plumbing. Flow < 1 vLPM. --- 22-jun-19 19:54:43 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 0 hours . Total airflow this filter = 0 cubic meters . Mean BC concentration of all lamps = 0 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = 2.002 sen(zero) = 0.021 . ref(beam) = 2.325 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = 1.521 sen(zero) = 0.021 . ref(beam) = 2.478 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.992 sen(zero) = 0.021 . ref(beam) = 1.735 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.349 sen(zero) = 0.021 . ref(beam) = 2.342 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .458 sen(zero) = 0.021 . ref(beam) = .779 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .880 sen(zero) = 0.021 . ref(beam) = 1.134 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.489 sen(zero) = 0.021 . ref(beam) = 1.200 ref(zero) = 0.021 . Optical attenuation of filter deposit = 0 . Total aerosol black carbon on filter = 0 ng Mean aerosol black carbon concentration = 0 ng/vm3 --- Disk space = 2.535342E+08 bytes free: One entry at every 10 minutes. There is space for 107795 hours ( 4491 days) more data ---