Extech Instruments VPC300 - Sequence of Operation; Basic Operation

5VPC300‐en‐GB_v1.55/15
SequenceofOperation
To ensure that you measure the amount of particles accurately, perform this sequence of
operation.
1. Zerotheparticlecountsensor
2. Setupyourcounterforproperoperation.Sampletime,mode,cycle,andinterval.
3. Runyourtestcyclesandevaluatetheresults.
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BasicOperation
PressandholdtheON/OFFbutton for3to5secondsuntilthedisplayilluminatestopoweron
themeter.
Presstheenterbutton(
) togettosetupmode.
PressF3toentersettingsmode.
SeteachparametertoyourpreferredsettingbypressingENTERtoentereachparameter.Then
pressENTERtoenableeditingofeachparameter.PressESCtoexitparametersetup.
 SampleTime:Lengthoftimeeachtestruns(3to
60seconds)
 StartDelay:DurationoftimefromRUNtoactualstartoftest.(3to100seconds)
 ChannelDisplay:Particlesizesdisplayedduringtest.
 AmbientTemp/RH:Allowsthedisplayofthe airtempand%RHvalues
 SampleCycle:Numberoftestcyclestorun(1to100)
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SampleMode:Cumulative,differential,concentration
 Interval:Testcycledelaymeasuredinseconds.
 LevelIndication:Particlelevelselection(highlightedondisplay)
PressESCtoreturntotestingscreen
PressRUN/STOPtostarttheautomatedtestsequence.
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