ul测试仪器校验要求(英文）

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1、MARKINTEGRITYPROGRAMULCalibrationRequirements:EquipmentUsedforUL/C-UL/ULCMarkFollow-UpServicesULdefinesminimumrequirementsforcalibrationofinspection,measuringandtestequipment(IMTE)requiredaspartofitsFollow-UpServicesProcedures.TheserequirementsalsoincludeIMTEsuppliedbycustomersandusedbyUL

2、fieldrepresentativesduringinspectionactivitiesattheinspectionlocation.Standardsusedtocalibratesuchinspection,measuringandtestingequipmentarealsocoveredbytheserequirements.ThisdocumentappliestoallcustomersofUL’sproductREQUIREMENTScertificationservicesfortheU.S.andCanadianmarkets,i.e.,UL/C-

3、UL/ULCMarkcertifications.CalibrationisaEquipmentrequiringcalibrationrequirementofULcertificationasnotedintheUnitedStatesAllIMTErequiredaspartofaULFollow-UpServicesProcedureandCanadiantestingandcertificationservicetermsandincludinganyAppendices,Follow-UpInspectionInstructionsorconditionsl

4、ocatedatwww.ul.com/contracts.StandardAppendixPagesorequipmentthatisusedbyULfieldrepresentativeswhileconductinginspectionactivitiesatthefactoryWhythisrequirementisimportantmustbecalibrated.AkeyelementindeterminingcompliancewithULrequirementsisthevalidityandaccuracyofinspection,measurementa

5、ndCustomersmustensurethattheIMTEselectedforeachtestresults.EquipmentusedtoperformtheseactivitiesmustmeasurementiscapableofmeetingmeasurementtolerancesbecalibratedtoprovidethenecessarylevelofconfidenceinspecifiedinULFollow-UpServicesProceduresorrelatedtheresultsoftheinspections,measurements

6、andtestsbeingdocumentation,i.e.,customersmustselectandusetherighttoolconducted.CalibrationofIMTE–aswellasthestandardsforthejob.forcalibration–mustbetraceabletotheNationalInstituteofStandardsandTechnologyoranothernationalmetrologyWheninspection,measuringandtestequipmentwithlowinstitution.

7、Itisrecommendedthatprovidersofcalibrationservicesprecisioncapability,suchastapemeasures,steelrules,shouldbeaccreditedunderISO/IEC17025.Seepage3ofthisprotractors,radiusgauges,etc.,areusedasthefinalmeansofdocumentforcalibrationcertificaterequirementsforcalibrationsverifyingco