07-sep-11 09:09:54 SERIOUS INSTRUMENT PROBLEM !!! Reference beam OK, Sensing beam low on lamp 1 Tape Advance mechanism problem --- 07-sep-11 09:09:54 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 122.25 hours . Total airflow this filter = 36.14 cubic meters . Mean BC concentration of all lamps = 19 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .121 sen(zero) = 0.021 . ref(beam) = 1.489 ref(zero) = 0.020 . Optical attenuation of filter deposit = 67 . Total aerosol black carbon on filter = 860 ng Mean aerosol black carbon concentration = 23 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 82 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .293 sen(zero) = 0.021 . ref(beam) = 1.770 ref(zero) = 0.020 . Optical attenuation of filter deposit = 48 . Total aerosol black carbon on filter = 782 ng Mean aerosol black carbon concentration = 21 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 25 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = .174 sen(zero) = 0.021 . ref(beam) = 2.145 ref(zero) = 0.020 . Optical attenuation of filter deposit = 53 . Total aerosol black carbon on filter = 956 ng Mean aerosol black carbon concentration = 26 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 24 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .314 sen(zero) = 0.021 . ref(beam) = 3.152 ref(zero) = 0.020 . Optical attenuation of filter deposit = 39 . Total aerosol black carbon on filter = 804 ng Mean aerosol black carbon concentration = 22 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 73 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .466 sen(zero) = 0.021 . ref(beam) = 2.559 ref(zero) = 0.020 . Optical attenuation of filter deposit = 30 . Total aerosol black carbon on filter = 691 ng Mean aerosol black carbon concentration = 19 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 46 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .428 sen(zero) = 0.021 . ref(beam) = 2.566 ref(zero) = 0.020 . Optical attenuation of filter deposit = 19 . Total aerosol black carbon on filter = 584 ng Mean aerosol black carbon concentration = 16 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 55 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .305 sen(zero) = 0.021 . ref(beam) = 2.592 ref(zero) = 0.020 . Optical attenuation of filter deposit = 7 . Total aerosol black carbon on filter = 253 ng Mean aerosol black carbon concentration = 7 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 56 ppm. --- Disk space = 2.520596E+08 bytes free: One entry at every 5 minutes. There is space for 53584 hours ( 2233 days) more data --- Disk space = 2.514534E+08 bytes free: One entry at every 5 minutes. There is space for 53455 hours ( 2227 days) more data --- 07-sep-11 09:26:59 Tape feeder mechanism advancing for 1 spot(s). --- 07-sep-11 09:30:37 ============================================================= Automatic re-start ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 774 --- 07-sep-11 09:34:57 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.020 . Lamp 1 (370 nm): sen(beam) = .933 ref(beam) = 1.071 . Lamp 2 (470 nm): sen(beam) = 1.649 ref(beam) = 1.395 . Lamp 3 (520 nm): sen(beam) = 1.526 ref(beam) = 1.823 . Lamp 4 (590 nm): sen(beam) = 1.573 ref(beam) = 2.293 . Lamp 5 (660 nm): sen(beam) = 2.058 ref(beam) = 1.728 . Lamp 6 (880 nm): sen(beam) = 1.833 ref(beam) = 1.802 . Lamp 7 (950 nm): sen(beam) = 1.645 ref(beam) = 1.654 --- 07-sep-11 09:45:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = .16 hours . Total airflow this filter = .04 cubic meters . Mean BC concentration of all lamps = 132787 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .579 sen(zero) = 0.021 . ref(beam) = 1.264 ref(zero) = 0.020 . Optical attenuation of filter deposit = 67 . Total aerosol black carbon on filter = 849 ng Mean aerosol black carbon concentration = 34481 ng/vm3 --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .214 sen(zero) = 0.021 . ref(beam) = 1.769 ref(zero) = 0.020 . Optical attenuation of filter deposit = 238 . Total aerosol black carbon on filter = 3828 ng Mean aerosol black carbon concentration = 155357 ng/vm3 --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.106 sen(zero) = 0.021 . ref(beam) = 1.599 ref(zero) = 0.020 . Optical attenuation of filter deposit = 18 . Total aerosol black carbon on filter = 326 ng Mean aerosol black carbon concentration = 13233 ng/vm3 --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .891 sen(zero) = 0.021 . ref(beam) = 2.988 ref(zero) = 0.020 . Optical attenuation of filter deposit = 82 . Total aerosol black carbon on filter = 1657 ng Mean aerosol black carbon concentration = 67255 ng/vm3 --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .296 sen(zero) = 0.021 . ref(beam) = 2.578 ref(zero) = 0.020 . Optical attenuation of filter deposit = 242 . Total aerosol black carbon on filter = 5451 ng Mean aerosol black carbon concentration = 221204 ng/vm3 --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .732 sen(zero) = 0.021 . ref(beam) = 2.473 ref(zero) = 0.020 . Optical attenuation of filter deposit = 123 . Total aerosol black carbon on filter = 3731 ng Mean aerosol black carbon concentration = 151434 ng/vm3 --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = .315 sen(zero) = 0.021 . ref(beam) = 2.614 ref(zero) = 0.020 . Optical attenuation of filter deposit = 217 . Total aerosol black carbon on filter = 7061 ng Mean aerosol black carbon concentration = 286546 ng/vm3 --- Disk space = 2.514534E+08 bytes free: One entry at every 5 minutes. There is space for 53455 hours ( 2227 days) more data --- 07-sep-11 09:45:00 Tape feeder mechanism advancing for 1 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 774 --- 07-sep-11 09:54:56 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.020 . Lamp 1 (370 nm): sen(beam) = .171 ref(beam) = 1.330 . Lamp 2 (470 nm): sen(beam) = .952 ref(beam) = 1.654 . Lamp 3 (520 nm): sen(beam) = .155 ref(beam) = 2.093 . Lamp 4 (590 nm): sen(beam) = .211 ref(beam) = 3.002 . Lamp 5 (660 nm): sen(beam) = 1.402 ref(beam) = 2.342 . Lamp 6 (880 nm): sen(beam) = .404 ref(beam) = 2.486 . Lamp 7 (950 nm): sen(beam) = .728 ref(beam) = 2.422 ---