Designation:E2821−13StandardSpecificationforCompactedMineral-Insulated,Metal-SheathedCableUsedinIndustrialResistanceThermometers1ThisstandardisissuedunderthefixeddesignationE2821;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverstherequirementsforcompacted,mineral-insulated,metal-sheathed(MIMS)cablesusedtomanufacturemetal-sheathed,industrialresistancether-mometersreferredtointhisdocumentasResistanceTempera-tureDetectorsorRTDs.1.2Thematerialsofconstructionincludecopper,nickel-cladcopper,copper-45%nickel(constantan),ornickelconductors,anausteniticstainlesssteelornickel-chromiumalloysheath,andeithermagnesia(MgO)oralumina(Al2O3)insulation.1.3Thecablediameterisbetween0.093and0.500in.(2.33and12.70mm)andcontainsbetweentwoandeightconductors,setinvariousdesignconfigurationsandwirespacings.1.4ThevaluesoftemperatureinthisspecificationarebasedontheInternationalTemperatureScaleof1990(ITS-90).1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1Thelatestissuesofthefollowingdocumentsformapartofthisspecificationtotheextentspecifiedherein.Intheeventofaconflictbetweenthisspecificationandotherspecificationsreferencedherein,thisspecificationshalltakeprecedence.2.2DuetothesimilaritybetweenCompactedMIMSTher-mocoupleCableandCompactedMIMSCable,someThermo-coupleASTMStandardsmayapply.2.3ASTMStandards:2A213/A213MSpecificationforSeamlessFerriticandAus-teniticAlloy-...
