Designation:F2370−15StandardTestMethodforMeasuringtheEvaporativeResistanceofClothingUsingaSweatingManikin1ThisstandardisissuedunderthefixeddesignationF2370;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONThetypeofclothingwornbypeopledirectlyaffectstheheatexchangebetweenthehumanbodyandtheenvironment.Theheattransferisbothsensible(conduction,convection,andradiation)andlatent(evaporation).Theevaporativeresistanceofaclothingensembleisdependentuponthedesignsandmaterialsusedinthecomponentgarments,theamountofbodysurfaceareacoveredbytheclothing,thedistributionofthelayersoverthebody,loosenessortightnessoffit,andtheincreasedsurfaceareaforheatloss.Evaporativeresistancemeasurementsmadeonfabricsalonedonottakethesefactorsintoaccount.Measurementsoftheresistancetoevaporativeheatlossprovidedbyclothingcanbeusedwiththermalresistancevalues(TestMethodF1291)todeterminethecomfortorstressofpeopleindifferentenvironments.1.Scope1.1Thistestmethodcoversthedeterminationoftheevapo-rativeresistanceofclothingensembles.Itdescribesthemea-surementoftheresistancetoevaporativeheattransferfromaheatedsweatingthermalmanikintoarelativelycalmenviron-ment.Informationonmeasuringthelocalevaporativeresis-tancevaluesforindividualgarmentsandensemblesisprovidedinAnnexA1.1.1.1Thisisastatictestthatprovidesabaselineclothingmeasurementonastandingmanikin.1.1.2Theeffectsofbodypositionandmovementarenotaddressedinthistestmethod.1.2Theevaporativeresistancevaluesobtainedapplyonlytotheparticularensemblesevaluatedandforthespecifiedenvi-ronmentalconditionsofeachtest,particularlywithrespecttoairmovementandsweatingsimulations.1.3EvaporativeresistancevaluesreportedinSIunitsshallberegardedasstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityofth...
