Disk space = 2.541445E+08 bytes free: One entry at every 10 minutes.
There is space for 108055 hours ( 4502 days) more data
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15-feb-18  09:57:02  Tape feeder mechanism advancing for 2 spot(s).

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15-feb-18  10:06:00  
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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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15-feb-18  10:19:54  Measurements started
Starting voltages:
.           sen(zero) =   0.021 ref(zero) =   0.023
.  Lamp 1 (370 nm): sen(beam) =   1.959 ref(beam) =   2.273
.  Lamp 2 (470 nm): sen(beam) =   1.570 ref(beam) =   2.475
.  Lamp 3 (520 nm): sen(beam) =   1.936 ref(beam) =   1.656
.  Lamp 4 (590 nm): sen(beam) =   1.185 ref(beam) =   2.040
.  Lamp 5 (660 nm): sen(beam) =    .488 ref(beam) =    .839
.  Lamp 6 (880 nm): sen(beam) =    .828 ref(beam) =   1.054
.  Lamp 7 (950 nm): sen(beam) =   1.373 ref(beam) =   1.088

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15-feb-18  20:28:45        Instrument problem.
Problem with Battery Voltage
Battery Voltage is 10.78V, which is less than 10.8V.
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15-feb-18  20:28:49  Measurements ended
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.                   Number of lamps (L) = 7
.                   Filter running time = 10.08 hours
.             Total airflow this filter = 1.29 cubic meters
.    Mean BC concentration of all lamps = 71 ng/vm3
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Report for lamp 1 (370 nm):
. Ending voltages: sen(beam) =   1.627  sen(zero) =   0.021
.                  ref(beam) =   2.122  ref(zero) =   0.023
. Optical attenuation of filter deposit = 11
.  Total aerosol black carbon on filter = 149 ng
Mean aerosol black carbon concentration = 116 ng/vm3
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The reference beam showed lamp intensity fluctuations of 409 ppm.
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Report for lamp 2 (470 nm):
. Ending voltages: sen(beam) =   1.382  sen(zero) =   0.021
.                  ref(beam) =   2.299  ref(zero) =   0.023
. Optical attenuation of filter deposit = 5
.  Total aerosol black carbon on filter = 93 ng
Mean aerosol black carbon concentration = 72 ng/vm3
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The reference beam showed lamp intensity fluctuations of 116 ppm.
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Report for lamp 3 (520 nm):
. Ending voltages: sen(beam) =   1.710  sen(zero) =   0.021
.                  ref(beam) =   1.552  ref(zero) =   0.023
. Optical attenuation of filter deposit = 5
.  Total aerosol black carbon on filter = 103 ng
Mean aerosol black carbon concentration = 80 ng/vm3
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The reference beam showed lamp intensity fluctuations of 172 ppm.
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Report for lamp 4 (590 nm):
. Ending voltages: sen(beam) =    .970  sen(zero) =   0.021
.                  ref(beam) =   1.816  ref(zero) =   0.023
. Optical attenuation of filter deposit = 8
.  Total aerosol black carbon on filter = 172 ng
Mean aerosol black carbon concentration = 134 ng/vm3
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The reference beam showed lamp intensity fluctuations of 1051 ppm.
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Report for lamp 5 (660 nm):
. Ending voltages: sen(beam) =    .426  sen(zero) =   0.021
.                  ref(beam) =    .750  ref(zero) =   0.023
. Optical attenuation of filter deposit = 3
.  Total aerosol black carbon on filter = 70 ng
Mean aerosol black carbon concentration = 54 ng/vm3
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The reference beam showed lamp intensity fluctuations of 314 ppm.
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Report for lamp 6 (880 nm):
. Ending voltages: sen(beam) =    .733  sen(zero) =   0.021
.                  ref(beam) =    .954  ref(zero) =   0.023
. Optical attenuation of filter deposit = 2
.  Total aerosol black carbon on filter = 62 ng
Mean aerosol black carbon concentration = 48 ng/vm3
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The reference beam showed lamp intensity fluctuations of 551 ppm.
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Report for lamp 7 (950 nm):
. Ending voltages: sen(beam) =   1.225  sen(zero) =   0.021
.                  ref(beam) =    .968  ref(zero) =   0.023
. Optical attenuation of filter deposit =-1
.  Total aerosol black carbon on filter =-11 ng
Mean aerosol black carbon concentration =-8 ng/vm3
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The reference beam showed lamp intensity fluctuations of 534 ppm.
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Disk space = 2.541445E+08 bytes free: One entry at every 10 minutes.
There is space for 108055 hours ( 4502 days) more data
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