12-jan-17  12:39:55    SERIOUS INSTRUMENT PROBLEM !!!
Problem with air flow  pump or plumbing.
Flow < 1 vLPM.
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12-jan-17  12:39:55  Measurements ended
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.                   Number of lamps (L) = 7
.                   Filter running time = 24.58 hours
.             Total airflow this filter = 2.61 cubic meters
.    Mean BC concentration of all lamps = 136 ng/vm3
.
Report for lamp 1 (370 nm):
. Ending voltages: sen(beam) =    .981  sen(zero) =   0.021
.                  ref(beam) =   2.117  ref(zero) =   0.023
. Optical attenuation of filter deposit = 32
.  Total aerosol black carbon on filter = 406 ng
Mean aerosol black carbon concentration = 155 ng/vm3
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The reference beam showed lamp intensity fluctuations of 484 ppm.
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Report for lamp 2 (470 nm):
. Ending voltages: sen(beam) =    .888  sen(zero) =   0.021
.                  ref(beam) =   2.422  ref(zero) =   0.023
. Optical attenuation of filter deposit = 24
.  Total aerosol black carbon on filter = 398 ng
Mean aerosol black carbon concentration = 152 ng/vm3
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The reference beam showed lamp intensity fluctuations of 377 ppm.
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Report for lamp 3 (520 nm):
. Ending voltages: sen(beam) =   1.163  sen(zero) =   0.021
.                  ref(beam) =   1.661  ref(zero) =   0.023
. Optical attenuation of filter deposit = 20
.  Total aerosol black carbon on filter = 363 ng
Mean aerosol black carbon concentration = 139 ng/vm3
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The reference beam showed lamp intensity fluctuations of 433 ppm.
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Report for lamp 4 (590 nm):
. Ending voltages: sen(beam) =    .775  sen(zero) =   0.021
.                  ref(beam) =   2.043  ref(zero) =   0.023
. Optical attenuation of filter deposit = 18
.  Total aerosol black carbon on filter = 367 ng
Mean aerosol black carbon concentration = 140 ng/vm3
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The reference beam showed lamp intensity fluctuations of 649 ppm.
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Report for lamp 5 (660 nm):
. Ending voltages: sen(beam) =    .351  sen(zero) =   0.021
.                  ref(beam) =    .932  ref(zero) =   0.023
. Optical attenuation of filter deposit = 15
.  Total aerosol black carbon on filter = 349 ng
Mean aerosol black carbon concentration = 133 ng/vm3
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The reference beam showed lamp intensity fluctuations of 531 ppm.
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Report for lamp 6 (880 nm):
. Ending voltages: sen(beam) =    .557  sen(zero) =   0.021
.                  ref(beam) =   1.070  ref(zero) =   0.023
. Optical attenuation of filter deposit = 10
.  Total aerosol black carbon on filter = 315 ng
Mean aerosol black carbon concentration = 120 ng/vm3
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The reference beam showed lamp intensity fluctuations of 645 ppm.
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Report for lamp 7 (950 nm):
. Ending voltages: sen(beam) =    .933  sen(zero) =   0.021
.                  ref(beam) =   1.112  ref(zero) =   0.023
. Optical attenuation of filter deposit = 9
.  Total aerosol black carbon on filter = 298 ng
Mean aerosol black carbon concentration = 114 ng/vm3
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The reference beam showed lamp intensity fluctuations of 714 ppm.
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Disk space = 4.855153E+08 bytes free: One entry at every 10 minutes.
There is space for 206427 hours ( 8601 days) more data
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Disk space = 4.854333E+08 bytes free: One entry at every 10 minutes.
There is space for 206392 hours ( 8600 days) more data
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12-jan-17  15:22:36  Tape feeder mechanism advancing for 2 spot(s).

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12-jan-17  15:26:00  
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Automatic re-start
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MAGEE SCIEN.
AETHALOMETER
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Aethalometer No. 360
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12-jan-17  15:39:54  Measurements started
Starting voltages:
.           sen(zero) =   0.021 ref(zero) =   0.024
.  Lamp 1 (370 nm): sen(beam) =   1.334 ref(beam) =   2.193
.  Lamp 2 (470 nm): sen(beam) =   1.143 ref(beam) =   2.550
.  Lamp 3 (520 nm): sen(beam) =   1.438 ref(beam) =   1.731
.  Lamp 4 (590 nm): sen(beam) =    .863 ref(beam) =   1.999
.  Lamp 5 (660 nm): sen(beam) =    .407 ref(beam) =    .972
.  Lamp 6 (880 nm): sen(beam) =    .612 ref(beam) =   1.086
.  Lamp 7 (950 nm): sen(beam) =   1.001 ref(beam) =   1.124

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