Extech EMF450 Bedienungsanleitung


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USERMANUAL
MultiFieldEMFMeter
ModelEMF450
EMF450-en-GB_V1.1 8/15 3
Introduction
Thismetersimultaneously Magneticmeasuresanddisplays  Field, ElectricField,andRFStrength.
Theunitof units ofmeasurementandthemeasurementtypesareexpressedin  electricaland
magnetic strengthfield andpower powerdensity.ThismeterisidealforEMFmeasurementsof 
lines,electricalappliances,industrialdevices,cellphones,base   stations, and microwave leakage.
This tested calibrateddeviceisshippedfully and and,withproperuse,willprovideyearsof
reliableservice. forPleasevisit (www.extech.com)our website tocheck thelatestversionofthis
UserGuide,ProductUpdates,ProductRegistration,andCustomer Support.
Features
Data hold (HOLD)
Overload  display “OL”.
Brightness  ‐ options: low medium high
Selectable    Auto Power off (APO) Time: 1; 3; 5; 10; 15; 30 minutes
Key   press Sounds / Alarm Sounds:On ;Off withprogrammabletoneselections
Information   screen shows software version
Languages:  English, Traditional Chinese,   Simplified Chinese, Japanese, Spanish
Magnetic  μ units selectionGauss (mG) or Tesla ( T)
Electric field strength: V/m
RF  μ  μ Strength Units selection: ( W/m² ~mW/m²) ( W/cm²) (m V/m ~V/m) (mA/m) (dBm).
LowFrequencyEMFReadings:IndividualandaggregatedXYZaxialreadings: 
High   frequency EMF Readings
RF   Historical Records; up to 20 groups.
Low  battery indicationHIGH LOW 
External  USB Power Supply: ”
EMF450-en-GB_V1.1 8/15 6
Operation
PowerON/OFF
1. the the the Press power powerbuttonto  meter.The display willshow main
measurementscreen. If themeter    does not power on, check that the batteries are
installedcorrectlyandarefresh(seebattery laterinstallation/replacementsection in
thisguide).TheEM450canalsobepoweredfrom a USB port.
2. the Pressandholdthe toPowerbuttonfor 3 seconds power off  meter.
ExternalUSBpowersupply
An iconis isdisplayed powerwhenanexternalUSB supply connectedtothemeter’sUSB
jackon bottom ofthe  the 4.7~5.2VDCmeter.Voltagespecificationis withcurrentgreater
thanor ofequal overto500mA.USBcablesshouldnotreach thetoprim the duringbuttons 
testingsincetheEMF450will recognize thiscableas an antennacausingthe readings tobe
inaccurate.
Datahold(HOLD)
Pressthe the theHOLDbuttontofreeze currentreadingson display.TheHOLD display icon
willappearwhenthis HOLDmodeisactive.Toreleasethedatapressthe buttonagain.
Electric Field Measurements
TheEM450measurestheelectricfield(ElectricalPower)intheatmosphereofthesensor’s
surroundings.Thesensororientationisprintedonthebackofthemeter.
Performalltestsaccordingtotheindicateddirectionoftheelectricfieldsensor.
Holdthemeteratthebottomandatarm’slength,asshowninFigure3.

Figure3OrientingthemeterforElectricalFieldMeasurements


Produktspezifikationen

Marke: Extech
Kategorie: Messgeräte
Modell: EMF450

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