30-jan-17 17:50:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 127.66 hours . Total airflow this filter = 15.99 cubic meters . Mean BC concentration of all lamps = 60 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .734 sen(zero) = 0.021 . ref(beam) = 2.232 ref(zero) = 0.022 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 949 ng Mean aerosol black carbon concentration = 59 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 334 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .686 sen(zero) = 0.021 . ref(beam) = 2.475 ref(zero) = 0.022 . Optical attenuation of filter deposit = 61 . Total aerosol black carbon on filter = 991 ng Mean aerosol black carbon concentration = 62 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 245 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .913 sen(zero) = 0.021 . ref(beam) = 1.708 ref(zero) = 0.022 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 959 ng Mean aerosol black carbon concentration = 60 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 312 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .627 sen(zero) = 0.021 . ref(beam) = 2.164 ref(zero) = 0.022 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 976 ng Mean aerosol black carbon concentration = 61 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 452 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .291 sen(zero) = 0.021 . ref(beam) = .933 ref(zero) = 0.022 . Optical attenuation of filter deposit = 44 . Total aerosol black carbon on filter = 996 ng Mean aerosol black carbon concentration = 62 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 333 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .504 sen(zero) = 0.021 . ref(beam) = 1.106 ref(zero) = 0.022 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 977 ng Mean aerosol black carbon concentration = 61 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 423 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .860 sen(zero) = 0.021 . ref(beam) = 1.135 ref(zero) = 0.022 . Optical attenuation of filter deposit = 29 . Total aerosol black carbon on filter = 942 ng Mean aerosol black carbon concentration = 58 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 443 ppm. --- Disk space = 4.846879E+08 bytes free: One entry at every 10 minutes. There is space for 206075 hours ( 8586 days) more data --- 30-jan-17 17:50:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 30-jan-17 18:09:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.022 . Lamp 1 (370 nm): sen(beam) = 1.465 ref(beam) = 2.076 . Lamp 2 (470 nm): sen(beam) = 1.220 ref(beam) = 2.330 . Lamp 3 (520 nm): sen(beam) = 1.511 ref(beam) = 1.646 . Lamp 4 (590 nm): sen(beam) = .945 ref(beam) = 2.020 . Lamp 5 (660 nm): sen(beam) = .431 ref(beam) = .883 . Lamp 6 (880 nm): sen(beam) = .666 ref(beam) = 1.062 . Lamp 7 (950 nm): sen(beam) = 1.103 ref(beam) = 1.078 ---