Narda 6
1 Useful Information
NBM-580
1.1 Measuringelectromagneticelds
Intoday’sworld,practicallyeveryonelivesandworksin
anenvironmentsurroundedbytechnicalequipmentthat
generateselectromagneticelds.Ourrecognitionofthe
problemsassociatedwithsucheldsandourdepthof
informationinthisareahasincreasedastheeffectsof
sucheldsonthehumanbodyhavebeenexaminedmore
closely.Variousauthoritieshavelongdenedlimitvalues
designedtoprotectusersfromthedangersofexposureto
such emissions�
1�2 About this instrument
TheNardaBroadbandFieldMeterNBM-580provides
virtuallyeveryoneconcernedwiththissubjectwithan
instrumentformeasuringnon-ionizingradiationwith
utmostaccuracywithinthefrequencyrangefrom5Hzto
60GHz(dependingontheprobeused).Theinstrument
hasawiderangeoffunctions,yetitisveryeasytouse.It
alsofeaturestheabilitytoworkwithvariousmeter/probe
combinationsorasacentralalarmpointforNardalertS3
monitors� Sensors for various measurement applications
areconnectedtotheNBM-580basicunit.Flatfrequency
responseprobesareavailable,aswellasso-called
shapedprobesthatevaluatetheeldaccordingtoaspe-
cichumansafetystandard.Thesesensorsarecalibrated
separatelyfromtheNBM-580instrument,andincludea
non-volatilememorycontainingtheprobeparametersand
calibrationdata.TheNBM-580canthereforebeusedwith
anyinstrumentintheNBM-500familywithoutanylossin
calibrationaccuracy.
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