31-aug-18 01:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 21.91 hours . Total airflow this filter = 2.36 cubic meters . Mean BC concentration of all lamps = 341 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .968 sen(zero) = 0.021 . ref(beam) = 2.361 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 957 ng Mean aerosol black carbon concentration = 405 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 177 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .958 sen(zero) = 0.021 . ref(beam) = 2.567 ref(zero) = 0.021 . Optical attenuation of filter deposit = 54 . Total aerosol black carbon on filter = 883 ng Mean aerosol black carbon concentration = 374 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 121 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.290 sen(zero) = 0.021 . ref(beam) = 1.722 ref(zero) = 0.021 . Optical attenuation of filter deposit = 45 . Total aerosol black carbon on filter = 812 ng Mean aerosol black carbon concentration = 344 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 123 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .902 sen(zero) = 0.021 . ref(beam) = 2.276 ref(zero) = 0.021 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 785 ng Mean aerosol black carbon concentration = 333 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 362 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .353 sen(zero) = 0.021 . ref(beam) = .824 ref(zero) = 0.021 . Optical attenuation of filter deposit = 34 . Total aerosol black carbon on filter = 782 ng Mean aerosol black carbon concentration = 331 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 193 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .702 sen(zero) = 0.021 . ref(beam) = 1.119 ref(zero) = 0.021 . Optical attenuation of filter deposit = 24 . Total aerosol black carbon on filter = 728 ng Mean aerosol black carbon concentration = 309 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 239 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.213 sen(zero) = 0.021 . ref(beam) = 1.167 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 688 ng Mean aerosol black carbon concentration = 291 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 262 ppm. --- Disk space = 2.540954E+08 bytes free: One entry at every 10 minutes. There is space for 108034 hours ( 4501 days) more data --- 31-aug-18 01:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 31-aug-18 01:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 2.029 ref(beam) = 2.295 . Lamp 2 (470 nm): sen(beam) = 1.643 ref(beam) = 2.495 . Lamp 3 (520 nm): sen(beam) = 2.029 ref(beam) = 1.686 . Lamp 4 (590 nm): sen(beam) = 1.279 ref(beam) = 2.158 . Lamp 5 (660 nm): sen(beam) = .490 ref(beam) = .800 . Lamp 6 (880 nm): sen(beam) = .883 ref(beam) = 1.092 . Lamp 7 (950 nm): sen(beam) = 1.477 ref(beam) = 1.128 --- 31-aug-18 20:05:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 18.58 hours . Total airflow this filter = 1.99 cubic meters . Mean BC concentration of all lamps = 381 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .955 sen(zero) = 0.021 . ref(beam) = 2.305 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 952 ng Mean aerosol black carbon concentration = 479 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 165 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .967 sen(zero) = 0.021 . ref(beam) = 2.494 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 850 ng Mean aerosol black carbon concentration = 428 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 91 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.314 sen(zero) = 0.021 . ref(beam) = 1.682 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 768 ng Mean aerosol black carbon concentration = 386 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 117 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .917 sen(zero) = 0.021 . ref(beam) = 2.216 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 735 ng Mean aerosol black carbon concentration = 370 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 365 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .359 sen(zero) = 0.021 . ref(beam) = .801 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 729 ng Mean aerosol black carbon concentration = 367 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 158 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .717 sen(zero) = 0.021 . ref(beam) = 1.098 ref(zero) = 0.021 . Optical attenuation of filter deposit = 21 . Total aerosol black carbon on filter = 656 ng Mean aerosol black carbon concentration = 330 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 217 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.234 sen(zero) = 0.021 . ref(beam) = 1.138 ref(zero) = 0.021 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 617 ng Mean aerosol black carbon concentration = 310 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 216 ppm. --- Disk space = 2.54038E+08 bytes free: One entry at every 10 minutes. There is space for 108009 hours ( 4500 days) more data --- 31-aug-18 20:05:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 31-aug-18 20:29:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 2.018 ref(beam) = 2.298 . Lamp 2 (470 nm): sen(beam) = 1.617 ref(beam) = 2.503 . Lamp 3 (520 nm): sen(beam) = 2.004 ref(beam) = 1.688 . Lamp 4 (590 nm): sen(beam) = 1.257 ref(beam) = 2.153 . Lamp 5 (660 nm): sen(beam) = .481 ref(beam) = .801 . Lamp 6 (880 nm): sen(beam) = .871 ref(beam) = 1.091 . Lamp 7 (950 nm): sen(beam) = 1.459 ref(beam) = 1.131 ---