Extech Instruments EMF300 User manual

Type
User manual

USERGUIDE
MicrowaveLeakageDetector
ModelEMF300
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information@itm.com1.800.561.8187
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1
2
3
4
2” (5cm)
Introduction
ThankyouforselectingtheExtechInstrumentsModelEMF300.Thisdeviceisacompactleakage
detector designed to measure high frequency radiation levels emitted from household and
commercialmicrowaveovens.Thisdeviceisshippedfullytestedandcalibratedand,withproper
use,willprovideyearsofreliableservice.Pleasevisitourwebsite(www.extech.com)tocheckfor
thelatestversionofthisUserGuide,ProductUpdates,andCustomerSupport.
MeterDescription
1. LCDdisplay
2. Sensorlocated on rear of meter directly behind theLCD display 2”(5 cm)from the top of
themeterontheplanerepresentedbytheleftandrightarrowsshownunderthedisplay.
3. PeakHoldButton(freezesthehighestreading)
4. PowerON/OFFswitch
Note:Batterycompartmentlocatedontherearoftheinstrument.
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Operation
Measurements
Slide the power switch to the ON position. The sensor is located on the rear of the meter 2
inches(5cm)fromthe topofthemeterontheplaneindicatedbytheleftandrightarrowsnext
tothewordSENSORonthefrontofthemeter.
Touch the
TOP of the meter to the microwave door and various spots on the microwave
enclosure.
Thedisplaywillindicate theEMFvaluethatthesensorisreading.Ifthemetersensesareading
outsidethespecifiedrangeoftheinstrumentthe‘OL’(overload)displaysymbolwillappearon
theLCD.
AlarmLimit
Whenthemeasurementis>1mW/cm^2themeter’sbuzzerwillsoundtoalerttheuserthatthe
EMFvalueexceedsthealarmlimit.
PeakHold
TocapturethehighestvalueontheLCDdisplay,momentarilypressthePeakHoldkey.ThePEAK
display icon will appear on the display and the meter will only display the highest reading.
MomentarilypressthePeakHoldkeyagaintoreturntonormaloperation(thePEAKdisplayicon
willswitchOFF).
MicrowaveOvenSafetyStandards
IntheU.S.,pleasecheckwithTheFoodandDrugAdministration(FDA)formicrowaveoven
safetystandardswithregardtoleakagerequirements.ThemicrowaveleakagelimitintheU.S.at
thetimeofthiswritingis5mW/cm
2
at2inches(5cm).Thismaydifferfromcountrytocountryor
mayhavebeenupdatedintheU.S.sincethetimeofthiswriting.Besuretoobtainthe
appropriateandcurrentstandardsandregulationsfortheappropriatecountryorlocation
beforeusingthisdevice.NeitherFLIRSystemsnorExtechInstrumentsisresponsiblefordamage
toequipmentorinjurytopersonswithregardtotheuseofthismeterorintheinterpretationof
thesafetystandardsinquestion.Fullsafetyresponsibilityisassumedbytheuseratalltimes.
BatteryReplacement
WhenthebatteryiconappearsontheLCDorifthemeterdoesnotswitchON,the9Vbattery
mustbereplaced.
Thebatterycompartmentislocatedontherearoftheinstrument.Openthecompartmentto
replaceorinstallthebatteryandthensecurethecompartmentbeforeswitchingthemeter
ON.

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information@itm.com1.800.561.8187
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BatterySafetyReminders
o Pleasedisposeofbatteriesresponsibly;observelocal,state,andnationalregulations.
o Neverdisposeofbatteriesinafire;batteriesmayexplodeorleak.
Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.
As consumers, users are legally required to take used batteries to appropriate
collection sites, the retail store where the batteries were purchased, or wherever
batteriesaresold.
Disposal: Do not dispose of this instrument in household waste. The user is obligated to take
endoflife devices to a designated collection point for the disposal of electrical and electronic
equipment.
Specifications
Display LCDdisplay
 Displaysize40x25mm(1.6x1.0”)
 Digitheight12mm(0.5”)
PeakHold Capturesthehighestreadingwhenengaged
Measurementranges 0to1.999mW/cm^2
Accuracy <2db(1mW/cm^2@2.45GHz±50MHz)
AlarmSetting Audiblealarmiflevelis>1mW/cm^2
Overrangeindication "OL"appearsonthe
LCD
Powersupply 9VBattery
Powerconsumption 2.7mADCapproximate
OperatingFrequency 2.45GHz±50MHz(30MHzto3GHzforreferenceonly)
Operatingconditions Temperature:0to50
o
C(32to122
o
F);Humidity:<80%RH
Dimensions 152x69x36.3mm(6.0x2.7x1.4")
Sensorsize 50mm(2”);locatedontherearoftheinstrumentdirectlybehindthe
LCDdisplay
Weight Approx.202g(7.1oz.)
Copyright©2013FLIRSystems,Inc.
Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform
www.extech.com
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Extech Instruments EMF300 User manual

Type
User manual

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