Extech Instruments VFM200 Manuale utente
UserManual
Formaldehyde(HCHOorCH20)andTotal
VolatileOrganicCompounds(TVOC)Tester
ModelVFM200
AdditionalUserManualTranslationsavailableatwww.extech.com
2VFM200‐en‐GB_V1.212/16
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Introduction
ThankyouforselectingtheExtechInstrumentsModelVFM200.TheVFM200measuresHCHO
(formaldehyde)andTVOC(TotalVolatileOrganicCompounds).
PotentialsourcesforTVOCsincludepaints,finishes,adhesives,cigarettesmoke,pesticides,
personalcareproducts,carexhaust,newfurnishings,wallcoverings,householdcleansers,and
cookingfuels.Chemicalsinclude:Acetone,EthyleneGlycol,Formaldehyde,Xylene,1,3‐butadiene,
Tetrachloroethene,HydrogenSulfide,Ammonia,Toluene,Benzene,MethyleneChloride,
Perchloroethylene,andMTBE.
Thisdeviceisshippedfullytestedandcalibratedand,withproperuse,willprovideyearsofreliable
service.Pleasevisitourwebsite(www.extech.com)tocheckforthelatestversionofthisUser
Guide,ProductUpdates,andCustomerSupport.
Features
FuelCellFormaldehydeSensorTechnology
Highaccuracymeasurements
BacklitLCDdisplay
Real‐timedisplayofHCHO(formaldehyde)concentrationinair
Real‐timedisplayofTVOC(TotalVolatileOrganicCompounds)concentrationinair
Twounitselections(PPM,mg/m³)
Audio‐visualHighandLowAlarmsforHCHO
Autopoweroff
Description
METERDESCRIPTION
1. HCHOsensor(front)
2. ACAdaptorjack(underflap)
3. DownarrowandAlarmSetupbutton
4. Batterycompartment(rear)
5. ON‐OFFbutton(alsousedinAlarmSetup)
6. UparrowandUNITselectionbutton
7. BacklitDisplay
8. TVOCsensor(rear)
3VFM200‐en‐GB_V1.212/16
mg/m
mg/m
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LCDDISPLAY
1. HCHOreading
2. TVOCreading
3. Selectableunitsofmeasure
4. AlarmBeepersymbol
5. AutoPowerOFFreminder
6. RechargeableBatterystatus
7. HighandLowAlarmsymbols
Operation
POWERTHEMETER
Pressthe buttontoturnonthemeter.Thebatterysymbolinformstheuserastothebattery
strength.Connectthebatterychargertorechargethebattery.Longpressthebuttonto
poweroff.TheLCDwillcountdown:3,2,1,thenOFFbeforeswitchingoff.
AUTOPOWEROFF
Themeterwillswitchoffafter30minutesofinactivity.Pressanyfunctionbuttontopreventthe
meterfrompoweringoff;theautopowerofftimerwillbethenbereset.TheAPOdisplay
symbolremindstheuserthatAutoPowerOFFisalwaysactive.
GERNERALUSE
AllLCDdisplaylineswillswitchONwhenpowerisappliedtothemeter.ThebottomTVOC
displaywillcountdownfrom10secondsorfrom90seconds(dependingonthe
environment)tozero.Whencountdowniscompletethemeterisreadyforuse.
Innormalmode,thetopdisplayindicatestheHCHOconcentrationinPPMormg/m³.The
bottomdisplayindicatestheTVOCconcentrationinPPMormg/m³.
UsetheUNITbuttontoswitchunitsbetweenPPMandmg/m³.
Withthemeteron,ifthemeasuredHCHOconcentrationexceedsthehighorlowuser‐
programmableAlarmthresholds,theLEDdisplaywillflashredincolorandtheaudible
beeperwillsound(unlessithasbeendisabledwiththeSET/▼button).PressSET/▼to
silencethealarmbeeper(whenitissounding)ortodisablethebeeperentirely.When
disabled,thedisplayedbeepersymbolisswitchedoff.
ALARMSETUP(HCHOonly)
LowAlarmSetup
1. LongpresstheSET/▼buttontoenterthesetupmode.
2. ThelowalarmiconwilldisplayandtheLCDwillshowthelowalarmthreshold.
3. Usethe▲and▼buttonstoadjustthelowalarmthreshold.
4. Pressthebuttontogotothehighalarmsetupscreen.
HighAlarmSetup
1. Usethe▲and▼buttonstoadjustthehighalarmthreshold.
2. Pressthebuttontoreturntothenormalmeasurementmode.
4VFM200‐en‐GB_V1.212/16
CONTROLBUTTONS
1. Shortpressthe▼SET buttontosilencethebeeper(whenitissounding)orto
disable/enablethealarmbeeper.Thisbuttonisalsousedasadownarrowtochangethe
highandlowAlarmthresholdvaluesintheAlarmSetupmode.
2. Longpressthe▼SETbuttontoentertheAlarmSetupMode(SeeAlarmSetupsection).
3. Shortpressthe▲UNITbuttontochangetheunitofmeasure(PPMormg/m³)ortouseit
asanuparrowtosetthealarmthresholdvaluesintheAlarmSetupmode.
SAFETY
Donotstoreorusetheinstrumentinanenvironmentwherecorrosivegasispresent.
Donotobstructthesensorswheninuse.
Useonlythesuppliedlithium‐ionbatterytopowerthemeter.
UseonlythesuppliedACadapter/batterychargertochargethelithium‐ionbattery.
BATTERYCHARGEandREPLACEMENT
1. Whenthebatteryrequirescharging,plugthesuppliedbatterychargerintothemeter(left
side,underflap)andtoasourceofACpower.Afullchargerequires2hours.
2. Toreplacethebattery,opentherearbatterycompartmentandreplacethePolymer
lithium‐ionbattery(7.4V1300mAh).Re‐assemblethemeterbeforeuse(part#VPC‐BATT)
BatterySafetyNotes:Pleasedisposeofbatteriesresponsibly;neverdisposeofbatteriesinafire,
batteriesmayexplodeorleak.Ifthemeterisnottobeusedfor60daysormore,removethe
batteryandstoreseparately.
Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.
Asconsumers,usersarelegallyrequiredtotakeusedbatteriestoappropriatecollection
sites,theretailstorewherethebatterieswerepurchased,orwhereverbatteriesaresold.
Disposal:Donotdisposeofthisinstrumentinhouseholdwaste.Theuserisobligatedtotakeend‐of‐
lifedevicestoadesignatedcollectionpointforthedisposalofelectricalandelectronicequipment.
CLEANINGANDSTORAGE
Periodicallywipethecasewithadampclothandmilddetergent;donotuseabrasivesorsolve
nts.Pleaseremovethebatteryifthemeterisstoredforalongperiodoftime.
5VFM200‐en‐GB_V1.212/16
Specifications
SensorProfessionalFuelCelltechnology
HCHORange0.00to5.00mg/m³(orPPM)
HCHOResolution0.01mg/m3(orPPM)
HCHOBasicAccuracy±5%FS
TVOCRange0.00to9.99mg/m³(orPPM)
TVOCResolution0.01mg/m³(orPPM)
TVOCBasicAccuracy±5%FS
ResponseTime≤2seconds
OperatingTemperature0°Cto40°C(32to104°F)
StorageTemperature‐10°Cto60°C(14to140°F)
PowerSupplyRechargeablePolymerlithium‐ionbattery(7.4V1300mAh)
BatteryChargeTimeApprox.3hourswithACadapter
Battery7.4V1300mAh(part#VPC‐BATT)
Dimensions165x60x25mm(6.5x2.4x1.0in.)
Weight584g(20.6oz.)
Copyright©2016FLIRSystems,Inc.
Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform
ISO‐9001Certified
www.extech.com
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