NGRT Reading Test sampleIso 13849 performance levelngrt form a b or cperformance level diso 13849-1: performance levelspl level :safetySafety Performance Levels - MTS Systems
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In summary, a Performance Level rating of c, d or e is required to meet certain safety standards for most test equipment. Frequency of access and exposure to ... Home >SafetyPerformanceLevels Article PL-C,PL-DorPL-E?HowtoChooseaSafetyPerformanceLevel Successfultestingrequiresprotectionofthetestequipmentandspecimen,andmostimportantly,thetestoperator. Allorganizationsstrivetoprovideasafeworkingenvironment,yetthereisstillagreatdealofconfusionaboutbestpracticesandcompliancerequirementsforsafeoperationofmachinery.ISO13849offersclearguidelinesaboutpotentialhumansafetyriskandtherequiredSafetyPerformanceLevelforeachsituation.Thisinternationalstandardisacommonend-userrequirementintheEUandisreferencedinmanyotherregionalsafetystandards. ThreefactorsinfluencetherequiredPerformanceLevel: 1.Potentialseverityofinjury 2.Frequencyofexposure 3.Possibilityoflimitingthehazard SEVERITYOFINJURY SlightorSerious Thetwooptionsforclassifyingequipmentintheseverityofinjurycategoryare:slight,indicatinganormallyreversibleinjury;andserious,indicatinganormallyirreversibleinjuryordeath.Duetothepotentialforirreversibleinjuryordeathwhenoperatingtestequipment,mechanicaltestsystemsareintheseriousclassification,whichrequiresaminimumofPerformanceLevelc(PLc)forcompliance. FREQUENCYAND/ORDURATIONOFEXPOSURE SeldomorFrequent Fortestequipment,thefrequencyofexposureisdefinedasaccesstothespecimenarea.Accesstypicallyoccursinspecimenloading,unloading,adjustmentandalignment.Withrespecttoexposuretime,“seldom”isdefinedasaccessingthespecimenareanomorethanoncein15-minuteintervalsandtheaccumulatedexposuretimedoesnotexceed1/20oftheoveralloperatingtime.Inthiscircumstance,theratingwouldbe“F1”forexposure.Ifthetestoperatorisaccessingthespecimenmorethanonceevery15minutesorthisexposureexceeds1/20oftheoveralloperatingtime,itisconsideredfrequentexposure,oran“F2”ratingforexposure.Frequentexposureofan“F2”ratingrequiresaminimumPerformanceLeveld(PLd)forcompliance.SeldomexposurecouldrequireaPerformanceLevelofcord,dependingonthepossibilityofavoidingorlimitingthehazard POSSIBILITYOFAVOIDINGTHEHAZARD PossibleorScarcelyPossible Therearetwocategoriesforpossibilityofavoidingthehazardorlimitingtheharm:possibleunderspecificconditionsorscarcelypossible.Ariskassessmentcanhelpdeterminetheappropriatecategory.Ifthereisausecaseinwhichthepossibilityofavoidingthehazardisconsideredscarcelypossibleandseverity=S2,thenthiscasewouldrequireaminimumofPerformanceLeveld.Ifinthissamecase,thefrequencyofexposure=F2,thenitwouldrequireaPerformanceLevelesolution. FREQUENCYOFTESTSPECIMENAREAACCESSISACRITICALFACTOR Insummary,aPerformanceLevelratingofc,doreisrequiredtomeetcertainsafetystandardsformosttestequipment.Frequencyofaccessandexposuretothetestspecimenareaaretheprimaryfactorsindeterminingtherequiredsafetyperformancelevel.ContactMTStodaytodiscussyoursafetyrequirements. MTSSafeGuard™TechnologyprovidesPLdandPLecompliantsolutions DownloadBrochure Weusenecessarycookiestomakeoursitework.We'dalsoliketosetupoptionalanalyticscookiestohelpusimproveit.Wewon'tsetoptionalcookiesunlessyouenablethem. Decline Accept Weusenecessarycookiestomakeoursitework.We'dalsoliketosetupoptionalanalyticscookiestohelpusimproveit.Wewon'tsetoptionalcookiesunlessyouenablethem. Decline Accept
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