12-jul-19 10:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 30.75 hours . Total airflow this filter = 3.74 cubic meters . Mean BC concentration of all lamps = 227 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .886 sen(zero) = 0.021 . ref(beam) = 2.376 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 958 ng Mean aerosol black carbon concentration = 256 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 172 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .812 sen(zero) = 0.021 . ref(beam) = 2.577 ref(zero) = 0.021 . Optical attenuation of filter deposit = 57 . Total aerosol black carbon on filter = 921 ng Mean aerosol black carbon concentration = 246 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 118 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.167 sen(zero) = 0.021 . ref(beam) = 1.817 ref(zero) = 0.021 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 858 ng Mean aerosol black carbon concentration = 229 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 113 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .858 sen(zero) = 0.021 . ref(beam) = 2.398 ref(zero) = 0.021 . Optical attenuation of filter deposit = 41 . Total aerosol black carbon on filter = 840 ng Mean aerosol black carbon concentration = 224 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 403 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .307 sen(zero) = 0.021 . ref(beam) = .814 ref(zero) = 0.021 . Optical attenuation of filter deposit = 37 . Total aerosol black carbon on filter = 837 ng Mean aerosol black carbon concentration = 224 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 208 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .647 sen(zero) = 0.021 . ref(beam) = 1.195 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 781 ng Mean aerosol black carbon concentration = 209 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 250 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.119 sen(zero) = 0.021 . ref(beam) = 1.257 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 741 ng Mean aerosol black carbon concentration = 198 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 300 ppm. --- Disk space = 2.536243E+08 bytes free: One entry at every 10 minutes. There is space for 107833 hours ( 4493 days) more data --- 12-jul-19 10:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 12-jul-19 10:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.936 ref(beam) = 2.345 . Lamp 2 (470 nm): sen(beam) = 1.502 ref(beam) = 2.572 . Lamp 3 (520 nm): sen(beam) = 1.999 ref(beam) = 1.800 . Lamp 4 (590 nm): sen(beam) = 1.321 ref(beam) = 2.292 . Lamp 5 (660 nm): sen(beam) = .459 ref(beam) = .813 . Lamp 6 (880 nm): sen(beam) = .875 ref(beam) = 1.171 . Lamp 7 (950 nm): sen(beam) = 1.464 ref(beam) = 1.236 --- 12-jul-19 22:25:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 11.58 hours . Total airflow this filter = 1.18 cubic meters . Mean BC concentration of all lamps = 493 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .917 sen(zero) = 0.021 . ref(beam) = 2.356 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 950 ng Mean aerosol black carbon concentration = 808 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 387 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .974 sen(zero) = 0.021 . ref(beam) = 2.572 ref(zero) = 0.021 . Optical attenuation of filter deposit = 43 . Total aerosol black carbon on filter = 697 ng Mean aerosol black carbon concentration = 592 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 324 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.443 sen(zero) = 0.021 . ref(beam) = 1.797 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 575 ng Mean aerosol black carbon concentration = 489 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 349 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = 1.049 sen(zero) = 0.021 . ref(beam) = 2.349 ref(zero) = 0.021 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 520 ng Mean aerosol black carbon concentration = 442 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 546 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .371 sen(zero) = 0.021 . ref(beam) = .813 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 497 ng Mean aerosol black carbon concentration = 422 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 409 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .764 sen(zero) = 0.021 . ref(beam) = 1.176 ref(zero) = 0.021 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 423 ng Mean aerosol black carbon concentration = 360 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 481 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.305 sen(zero) = 0.021 . ref(beam) = 1.244 ref(zero) = 0.021 . Optical attenuation of filter deposit = 12 . Total aerosol black carbon on filter = 394 ng Mean aerosol black carbon concentration = 335 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 492 ppm. --- Disk space = 2.535465E+08 bytes free: One entry at every 10 minutes. There is space for 107800 hours ( 4492 days) more data --- 12-jul-19 22:25:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 12-jul-19 22:49:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.922 ref(beam) = 2.455 . Lamp 2 (470 nm): sen(beam) = 1.487 ref(beam) = 2.682 . Lamp 3 (520 nm): sen(beam) = 1.998 ref(beam) = 1.885 . Lamp 4 (590 nm): sen(beam) = 1.315 ref(beam) = 2.379 . Lamp 5 (660 nm): sen(beam) = .453 ref(beam) = .843 . Lamp 6 (880 nm): sen(beam) = .869 ref(beam) = 1.216 . Lamp 7 (950 nm): sen(beam) = 1.450 ref(beam) = 1.287 ---