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Monitoring of LightIntensity and Cloud Cover
AP Cano
PL Sino
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Objectives
To study the functionality of
light intensity metersTo perform monitoring ofphysical quantities and data
analysis.
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Signicance
Light intensity and cloudcoverage are indicators of
humidity and atmospherictemperature. Knowing thesequantities is especiallysignicant in industries lieagriculture and transportation.
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TI Vernier Light Probe(Sensor !
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Methodology
Prearation
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Location
!reedom Par" #pper
$rounds" #niversity of thePhilippines Los %anos
&'.&()*+'" &)&.)'&,)-
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#esults
aw data of light intensitymeasurement using two sensors
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#esults
*/***
&****&/***)****
)/***
)ay
Ti*e
Light Intensity (lu+!
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#esults
*/***
&****&/***)****
)/***
)ay '
Ti*e
Light intensity (lu+!
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Cloud CoverMeasure*ent
The pictures of the cloudcoverage was taen when the
light intensity was measured.The pictures were divided into
eight sections" cloud cover was
measured in otas.
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)ay ',-M
Sy completelycloudy
+ 0tas
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)ay .-M
1 0tas
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)ay 'PM
Sy completelycloudy
+ 0tas
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)ay /PM
( 0tas
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)ay 0PM
Sy is totally
o2scured
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)ay ',-M
+ 0tas
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)ay '.-M
1 0tas
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)ay ''PM
, 0tas
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)ay ' /PM
1 0tas
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)ay '0PM
Sy is totally
o2scured
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1unctionality of SP"#Scientic $%&&'
ange is limited" there are lightintensities that this sensor cannot detect3at &) P4 of 2oth 5ay & and )" readingse6ceed )***7.
8asy to use" does not need e6ternal
devices unlie the T9 Light Pro2e
5isplay of readings are in very largedigits
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1unctionality of Vernier LightProbe
:ider sensing range than the othersensor
;ot very convenient to use" needse6ternal device to operate
;ot very user
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Conclusions
Light intensity detected 2y the lightmeters is largely a>ected 2y amount
of cloud cover.
T9 ?ernier Light Pro2e more accuratereadings
SP8 Scientic +'**)& easier to use
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#eferences
[email protected]:eathermeasuringBweather.htm
[email protected])*&,&*measuring
