Narda 49NBM-580
5�3 Checking instrument functions
WithintheEuropeanUnion,allelectronicmeasuringsys-
temspurchasedfromNardaafter13thAugust2005canbe
returnedwhentheyreachtheendoftheirusefullife.The
measuringsystemsthatcomeunderthisregulationorthe
documentsthataccompanythemareclearlymarkedwith
thesymbolofagarbagebincrossedoutwithblacklines.
YoucanobtainfurtherinformationfromyourlocalNarda
Sales Partner or at www.narda-sts.com.
5�3 Checking instrument functions
WARNING
Probe is not operating properly
Possiblypresenthighradiationvaluescannotbe
recognizedwhenaprobeisdefective.
➩ Check probes for proper operation with a signal
source before using this measuring instrument�
Thisisespeciallyimportantforthermocouples
becausethesensorscanbeaffectedbyvari-
ousmechanicalandenvironmentalstressors.
Nardaoffersportablesourcestoaccomplish
thisimportantstep(seeAccessories on page
58).
➩ BeforebeginninganyRFradiationmeasure-
ment,alwaysadviseyourselfofthefrequencies
andeldstrengthsthatyoucouldexpectto
encounter�
Performing a function test:
1� Connect the sensor to the NBM-580
2� Useanappropriatechecksource(See Appropriate
Test Sources on Page 50)togenerateanupscale
indicationforthatsensor’sdisplayontheNBM-580.
3� AnupscaleindicationindicatesanOKFunctionTest.
IfnoindicationisdisplayedontheNBM-580,check
thatindicationisdisplayedonthesensordisplay.
Comments to this Manuals