User manual

14VPC300‐en‐GB_v1.55/15
ParticleCounterConsiderations
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Particlepollutionisamixtureofvariouscomponentsincludingsmoke,dust,chemicals,mold,
andgases.Particleconcentrationscanaffectourhealthandcomfortlevels.Evaluatingthe
qualityoftheairbydeterminingtheconcentrationandsizeoftheseparticlescanhelpto
determineifaproblemexists.Locatingthesourceofthesevariousparticlescanhelpto
determineeffectivemethodsofreducingtheseandimprovingtheIndoorAirQuality(IAQ).
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Onewaytodeterminethesourceofairparticulatesina roomistotesttheairoutsideofthe
roomunderinvestigation.Determinetheconcentrationandsizeofparticulatesat
theairintake
tothatroom.PurgeorZerotheparticlecounterandthenmeasuretheconcentrationandsize
ofparticlesinmultipleareasoftheroomtobetested,todeterminetheeffectivenessofthe
incomingairfiltration.Theairtemperature,relativehumidity,andCO2levelsarealsoan
importantconsiderationforIAQashighhumidityandlowertemperaturescanbringaboutmold
creation.
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IfaroomisclassifiedasanISOcleanroomorcleanzone,thecounts ofparticlesizesforthat
classcannotbeexceededwhentested.
RefertotheISOCleanRoomClasschart(ISO
14644‐1:1999)forvalues.
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TheVPC300isequippedwithastill/videocameratodirectlyseetheareasundertest.Data,
images,andvideocanbestoredonuptoan8GBmicro‐SDcard(notincluded)orinthemeter’s
internal74MBmemory.
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Thelifeofthemetercanbe
maximizedbytestingonlywhennecessaryandsecurelystoringthe
instrumentwhenitisnotinuse.Continuoususeisnotrecommendedandcanshortenthelifeof
theinstrumentespeciallyindustyenvironments.Settingupacommonsensemaintenance
scheduleandtestingtotheschedulewillgoalongwayinlengtheningthelifeoftheinstrument
sensor.
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PCInterfaceandSuppliedPCsoftware
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Thismeterhasthecapabilitytoconnecttoandcommunicate withaPC.AUSBcableissupplied
andconnectstothejackonthemeter’sleftsidecompartment.
To install and use the software, please refer to the instructions provided on the supplied CD‐
ROMand/ortheinstructionsprovidedin
theHELPUtilitywithinthesoftwareprogram.
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Checkthesoftwaredownloadpageofthewebsitewww.extech.comforthelatestversionofthe
PCsoftwareanditsoperatingsystemcompatibility.
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