Deviser EM20 Manuale utente

EM20 Technical Speci󽗉cations and

User Manual

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●Frequencyrange:1GHz;Fieldstrengthcalibrationrange:5V/m±0.5dB(20℃~30℃);

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●This󽗉eldstrengthcalibratorissuitableforcalibratingthe󽗉eldstrengthofallkindsof

electromagnetic󽗉ledstrengthmeterswithprobemeridionalsizebelow65mm,aswellas360

degreesisotropydetectionandveri󽗉cationofelectromagnetic󽗉eldprobe;

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●Inserttheantennaprobeintothecircularholeofcalibratorinaxialparallelasshownin󽗉gure,

keepthegeometriccenteroftheelectromagnetic󽗉eldprobeoverlapwiththegeometric

centerofcalibratorcircularhole;

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●AvoidusingthecalibratorinhighpowerRFradiationenvironment;

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●Pleasekeepthecalibratorover1mawayofhumanbody;

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●Beawareofdevicebatteryvoltagewarningwhencalibrating,lowbatteryvoltagecancause

inaccuratecalibration;

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●Thefrequencyrangeand󽗉eldstrengthcalibrationrangecanbecustomized;

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●Poweredby4AAbattery,6VorAClineadaptor,12V,󽗊exibleandconvenient.

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●Calibrationtuningpotentiometerhole(adj)isspeciallyusedbyprofessionalstocalibrate󽗉eld

strength.

Calibration tuning

potentiometer hole Power On/Off Power switch(DC/AC)

Charging port

Power indicatorCalibrator hole

User Manual of 󽗉eld strength calibrator

① . Afterclaibration,this󽗉eldstrengthcalibratorissuitableforcalibratingthe󽗉eldstrength

ofallkindsofelectromagnetic󽗉ledstrengthmeterswithprobemeridionalsizebetween

60mmto66mm.

② . Placetheantennaprobeintothecircularholdofcalibrtaiortoensurethereliabiity

ofclaibrationasshownin󽗉gure(EM9N),suggesttomakepositionholderincasethe

antennaprobemeridionalsizeissmallerthanthecircularholdofEM20calibrator.

③ . Placethecalibratorandelectromagnetic󽗉ledstrengthmeterontablehorizontally,insert

antennaprobeverticallyintothecircularholeofcalibratorandpoweroncalibrator(select

topowerbyinternalbatteryorAClineadaptor).Poweronelectromagnetic󽗉ledstrength

meterandwaitforstableresultdata,iftheresultdatachangesgreatly,pleasecheckthe

electromagneticenvironmentorchangeanotherlocationuntilgetstableresultdata.

（NOTE: Please keep the calibrator over 1m away of humanbody, and in no

electric appliance environment(IE: computer) during the calibration.）

④ . EM20 supports the calibrtaion of electromagnetic

󽗉led strength meter from di󽗈erent vendors

⑤ . Isotsopy index testing of antenna probe

Placetheantennaprobeverticallyintothecircularholeofcalibrator,orparallel

tothesideofthecircularholeasshownin󽗉gure,rotateelectromagnetic󽗉eldstrength

meter360degrees,recordtheresultdatainallangles,theaveragedi󽗈erencevalue

betweentheresultdataandstandardvalueisthe"isotropyindex".

DEVISER EM9N

WAVE CONTROL SMP2

MCRRAD PRO5

NARDA NBM-550 / NBM-520

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