UserManual
Formaldehyde(HCHOorCH
2
0)andTotal
VolatileOrganicCompounds(TVOC)Tester
ModelVFM200
AdditionalUserManualTranslationsavailableatwww.extech.com
2VFM200‐en‐GB_V1.212/16
1
6
5
7
2
3
4
8
Introduction
ThankyouforselectingtheExtechInstrumentsModelVFM200.The VFM200 measuresHCHO
(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,and
CustomerSupport.
Features
FuelCellFormaldehydeSensorTechnology
Highaccuracymeasurements
BacklitLCDdisplay
Real‐timedisplayofHCHO(formaldehyde)concentrationinair
Real‐timedisplayofTVOC(TotalVolatileOrganicCompounds)concentrationinair
Twounitselections(PPM,mg/m³)
Audio‐visualHighandLowAlarmsfor
HCHO
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
3
3
1
2
3
4
5
6
7
LCDDISPLAY
1. HCHOreading
2. TVOCreading
3. Selectableunitsofmeasure
4. AlarmBeepersymbol
5. AutoPowerOFFreminder
6. RechargeableBatterystatus
7. HighandLowAlarmsymbols
Operation
POWERTHEMETER
Pressthe buttontoturnonthemeter.Thebatterysymbolinformstheuserastothebattery
strength. Connect the battery charger to recharge the battery. Long press the
button to
poweroff.TheLCDwillcountdown:3,2,1,thenOFFbeforeswitchingoff.
AUTOPOWEROFF
Themeterwillswitchoffafter30minutesofinactivity.Pressanyfunctionbuttontopreventthe
meter from powering off; the auto power off timer will be then be reset. The APO display
symbolremindstheuserthatAutoPowerOFFisalwaysactive.
GERNERALUSE
All LCD display lineswill switch ON whenpoweris applied tothe meter. The bottom TVOC
display will count down from 10 seconds or from 90 seconds (depending on the
environment)tozero.Whencountdowniscompletethemeterisreadyforuse.
In normal mode, the top
display indicates the HCHO concentration in PPM or mg/m³. The
bottomdisplayindicatestheTVOCconcentrationinPPMormg/m³.
UsetheUNITbuttontoswitchunitsbetweenPPMandmg/m³.
With the meter on, if the measured HCHO concentration exceeds the high or low user‐
programmable Alarm
thresholds, the LED display will flash red in color and the audible
beeper will sound (unless it has been disabled with the SET/▼ button). Press SET/▼ to
silence the alarm beeper (when it is sounding) or to disable the beeper entirely. When
disabled,thedisplayedbeepersymbolisswitchedoff.
ALARMSETUP(HCHOonly)
LowAlarmSetup
1. LongpresstheSET/▼ buttontoenterthesetupmode.
2. ThelowalarmiconwilldisplayandtheLCDwillshowthelowalarmthreshold.
3. Usethe▲and▼ buttonstoadjustthelowalarmthreshold.
4. Pressthe
buttontogotothehighalarmsetupscreen.
HighAlarmSetup
1. Usethe▲and▼ buttonstoadjustthehighalarmthreshold.
2. Pressthe
buttontoreturntothenormalmeasurementmode.
4VFM200‐en‐GB_V1.212/16
CONTROLBUTTONS
1. Shortpressthe▼SET buttontosilencethebeeper(whenitissounding)orto
disable/enablethealarmbeeper.Thisbuttonisalsousedasadownarrowtochangethe
highandlowAlarmthresholdvaluesintheAlarmSetupmode.
2. Longpressthe▼SETbuttonto
entertheAlarmSetupMode(SeeAlarmSetupsection).
3. Shortpressthe▲UNITbuttontochangetheunitofmeasure(PPMormg/m³)ortouseit
asanuparrowtosetthealarmthresholdvaluesintheAlarmSetupmode.
SAFETY
Donotstoreorusetheinstrumentinanenvironmentwherecorrosivegasispresent.
Donotobstructthesensorswheninuse.
Useonlythesuppliedlithium‐ionbatterytopowerthe meter.
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,
batteries may explode orleak. Ifthe meteris not tobe usedfor 60days ormore, removethe
batteryandstoreseparately.
Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.
Asconsumers,use rs arelegallyrequiredto takeusedbatteriestoappropriatecollection
sites,theretailstorewherethebatterieswerepurchased,orwhereverbatteriesaresold.
Disposal: Do not disposeofthisinstrumentinhousehold waste. Theuseris
obligated to take end‐of‐
lifedevicestoadesignatedcollectionpointforthedisposalofelectricalandelectronicequipment.
CLEANINGANDSTORAGE
Periodicallywipethecasewithadampclothandmilddetergent;donotuseabrasivesorsolve
nts.Pleaseremovethebatteryifthemeterisstoredforalongperiodoftime.
5VFM200‐en‐GB_V1.212/16
Specifications
Sensor ProfessionalFuelCelltechnology
HCHORange 0.00to5.00mg/m³(orPPM)
HCHOResolution 0.01mg/m3(orPPM)
HCHOBasicAccuracy ±5%FS
TVOCRange 0.00to9.99mg/m³(orPPM)
TVOCResolution 0.01mg/m³(orPPM)
TVOCBasicAccuracy ±5%FS
ResponseTime≤2seconds
OperatingTemperature 0°Cto40°C(32to104°F)
StorageTemperature‐10°Cto60°C(14to140°F)
PowerSupply RechargeablePolymerlithium‐ionbattery(7.4V1300mAh)
BatteryChargeTime Approx.3hourswithACadapter
Battery 7.4V1300mAh(part#VPC‐BATT)
Dimensions 165x60x25mm(6.5x2.4x1.0in.)
Weight 584g(20.6oz.)
Copyright©2016FLIRSystems,Inc.
Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform
ISO‐9001Certified
www.extech.com
