Worth Data 520-RF Dokumentacja Pobierz pdf (Strona 13)

Narda 13NBM-580

2.4Dangersfromelectromagneticelds

2.4 Dangersfromelectromagneticelds

StrongFields

Veryhigheldstrengthscanoccurinthevicinityofsome

radiationsources.

➩ Donotcrossorignoresafetybarriersormarkings.

➩ Personswithelectronicimplants(e.g.heartpacemak-

ers)mustavoiddangerzones.

Measurement Errors

Metalliclabels(stickers)afxedtotheyellowsensorarea

oftheprobecanleadtomeasurementerrors,usuallyan

underestimationoftheelectromagneticeldstrength.

➩ Afxlabelsofanytypeonlytotheblackprobeshaft.

➩ Iftheinstrumentmalfunctions,takeitoutofserviceand

contactyourNardaServiceCenter.Theaddressesare

listedattheendofthisoperatingmanualandonthe

Internet at http://www.narda-sts.com�

Sensorisnotoperatingproperly

Possiblypresenthighradiationvaluesarenotrecognized

ifeldstrengthsexceedmeter’sratedimmunity.Nardaof-

fersadditionalshieldingcoversformeterswhenhigheld

levelsareexpected.(seeAccessoriesonpage58).

➩ Check probes for proper operation with a signal source

before using this measuring instrument� This is espe-

ciallyimportantforthermocouplesbecausethesensors

canbeaffectedbyvariousmechanicalandenvironmen-

tal stressors�

Nardaoffersportablesourcestoaccomplishthisimpor-

tantstep(seeAccessories on page 58).

➩ BeforebeginninganyRFradiationmeasurement,

alwaysinformyourselfofthefrequenciesandeld

strengthsthatyoucouldexpecttoencounter.

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Worth Data 520-RF Dokumentacja Strona 13