Worth Data 520-RF Specifikace stáhnout pdf (Strana 49)

Narda 49NBM-580

5�3 Checking instrument functions

WithintheEuropeanUnion,allelectronicmeasuringsys-

temspurchasedfromNardaafter13thAugust2005canbe

returnedwhentheyreachtheendoftheirusefullife.The

measuringsystemsthatcomeunderthisregulationorthe

documentsthataccompanythemareclearlymarkedwith

thesymbolofagarbagebincrossedoutwithblacklines.

YoucanobtainfurtherinformationfromyourlocalNarda

Sales Partner or at www.narda-sts.com.

5�3 Checking instrument functions

WARNING

Probe is not operating properly

Possiblypresenthighradiationvaluescannotbe

recognizedwhenaprobeisdefective.

➩ Check probes for proper operation with a signal

source before using this measuring instrument�

Thisisespeciallyimportantforthermocouples

becausethesensorscanbeaffectedbyvari-

ousmechanicalandenvironmentalstressors.

Nardaoffersportablesourcestoaccomplish

thisimportantstep(seeAccessories on page

58).

➩ BeforebeginninganyRFradiationmeasure-

ment,alwaysadviseyourselfofthefrequencies

andeldstrengthsthatyoucouldexpectto

encounter�

Performing a function test:

1� Connect the sensor to the NBM-580

2� Useanappropriatechecksource(See Appropriate

Test Sources on Page 50)togenerateanupscale

indicationforthatsensor’sdisplayontheNBM-580.

3� AnupscaleindicationindicatesanOKFunctionTest.

IfnoindicationisdisplayedontheNBM-580,check

thatindicationisdisplayedonthesensordisplay.

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Worth Data 520-RF Specifikace Strana 49