13-sep-11 13:40:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 87.91 hours . Total airflow this filter = 25.98 cubic meters . Mean BC concentration of all lamps = 29 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .161 sen(zero) = 0.021 . ref(beam) = 1.417 ref(zero) = 0.020 . Optical attenuation of filter deposit = 38 . Total aerosol black carbon on filter = 492 ng Mean aerosol black carbon concentration = 18 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 112 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .594 sen(zero) = 0.021 . ref(beam) = 1.651 ref(zero) = 0.020 . Optical attenuation of filter deposit = 25 . Total aerosol black carbon on filter = 415 ng Mean aerosol black carbon concentration = 15 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 57 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .184 sen(zero) = 0.021 . ref(beam) = 2.040 ref(zero) = 0.020 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 1335 ng Mean aerosol black carbon concentration = 51 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 48 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .190 sen(zero) = 0.021 . ref(beam) = 3.199 ref(zero) = 0.020 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 972 ng Mean aerosol black carbon concentration = 37 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 123 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .707 sen(zero) = 0.021 . ref(beam) = 2.465 ref(zero) = 0.020 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 737 ng Mean aerosol black carbon concentration = 28 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 59 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .134 sen(zero) = 0.021 . ref(beam) = 2.520 ref(zero) = 0.020 . Optical attenuation of filter deposit = 27 . Total aerosol black carbon on filter = 836 ng Mean aerosol black carbon concentration = 32 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 93 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .252 sen(zero) = 0.021 . ref(beam) = 2.498 ref(zero) = 0.020 . Optical attenuation of filter deposit = 14 . Total aerosol black carbon on filter = 481 ng Mean aerosol black carbon concentration = 18 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 93 ppm. --- Disk space = 2.511585E+08 bytes free: One entry at every 5 minutes. There is space for 53393 hours ( 2225 days) more data --- 13-sep-11 13:40:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 774 --- 13-sep-11 13:49:56 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.020 . Lamp 1 (370 nm): sen(beam) = .218 ref(beam) = 1.367 . Lamp 2 (470 nm): sen(beam) = .364 ref(beam) = 1.522 . Lamp 3 (520 nm): sen(beam) = .364 ref(beam) = 2.156 . Lamp 4 (590 nm): sen(beam) = .553 ref(beam) = 3.192 . Lamp 5 (660 nm): sen(beam) = .272 ref(beam) = 2.451 . Lamp 6 (880 nm): sen(beam) = .380 ref(beam) = 2.645 . Lamp 7 (950 nm): sen(beam) = .148 ref(beam) = 2.605 --- 13-sep-11 15:00:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 1.16 hours . Total airflow this filter = .34 cubic meters . Mean BC concentration of all lamps = 875 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .239 sen(zero) = 0.021 . ref(beam) = 1.494 ref(zero) = 0.020 . Optical attenuation of filter deposit =-1 . Total aerosol black carbon on filter =-5 ng Mean aerosol black carbon concentration =-13 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 2949 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .176 sen(zero) = 0.021 . ref(beam) = 1.717 ref(zero) = 0.020 . Optical attenuation of filter deposit = 86 . Total aerosol black carbon on filter = 1397 ng Mean aerosol black carbon concentration = 4363 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 5104 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .289 sen(zero) = 0.021 . ref(beam) = 2.157 ref(zero) = 0.020 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 392 ng Mean aerosol black carbon concentration = 1226 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 249 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .443 sen(zero) = 0.021 . ref(beam) = 3.271 ref(zero) = 0.020 . Optical attenuation of filter deposit = 23 . Total aerosol black carbon on filter = 476 ng Mean aerosol black carbon concentration = 1489 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 573 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .173 sen(zero) = 0.021 . ref(beam) = 2.529 ref(zero) = 0.020 . Optical attenuation of filter deposit = 51 . Total aerosol black carbon on filter = 1155 ng Mean aerosol black carbon concentration = 3609 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 1667 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .456 sen(zero) = 0.021 . ref(beam) = 2.668 ref(zero) = 0.020 . Optical attenuation of filter deposit =-20 . Total aerosol black carbon on filter =-586 ng Mean aerosol black carbon concentration =-1828 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 540 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .193 sen(zero) = 0.021 . ref(beam) = 2.692 ref(zero) = 0.020 . Optical attenuation of filter deposit =-27 . Total aerosol black carbon on filter =-871 ng Mean aerosol black carbon concentration =-2719 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 2298 ppm. --- Disk space = 2.507325E+08 bytes free: One entry at every 5 minutes. There is space for 53302 hours ( 2221 days) more data --- 13-sep-11 15:00:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 774 --- 13-sep-11 15:09:56 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.020 . Lamp 1 (370 nm): sen(beam) = .281 ref(beam) = 1.385 . Lamp 2 (470 nm): sen(beam) = .442 ref(beam) = 1.685 . Lamp 3 (520 nm): sen(beam) = .441 ref(beam) = 2.106 . Lamp 4 (590 nm): sen(beam) = .687 ref(beam) = 3.143 . Lamp 5 (660 nm): sen(beam) = 1.037 ref(beam) = 2.416 . Lamp 6 (880 nm): sen(beam) = 1.112 ref(beam) = 2.585 . Lamp 7 (950 nm): sen(beam) = .972 ref(beam) = 2.553 ---