Designation:D7759/D7759M−21StandardGuideforNuclearSurfaceMoistureandDensityGaugeCalibration1ThisstandardisissuedunderthefixeddesignationD7759/D7759M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1ProcedureA—Thisguidedescribestheprocessandobjectiveofformulatingthemathematicalrelationshipbetweenthedensitysystemcountofanuclearsurfacemoistureanddensitygaugeandthecorrespondingwetdensityvalueofthedensitystandarduponwhichthedensitysystemresponsewasobserved.1.2ProcedureB—Thisguidedescribestheprocessandobjectiveofcomparingthewetdensitymeasuredbyanuclearsurfacemoistureanddensitygaugeandthecorrespondingdensityvalueofthedensitystandarduponwhichthedensitysystemresponsewasobserved.1.3Thisguidedescribestheprocessandobjectiveoftheverificationofthemeasurementsofanuclearsurfacemoistureanddensitygauge.1.4ProcedureA—Thisguidedescribestheprocessandobjectiveofformulatingthemathematicalrelationshipbetweenthewatercontentsystemcountofanuclearsurfacemoistureanddensitygaugeandthecorrespondingwatermassperunitvolumevalueofthewatercontentstandarduponwhichthewatercontentsystemresponsewasobserved.1.5ProcedureB—Thisguidedescribestheprocessandobjectiveofcomparingthewatermassperunitvolumemeasuredbyanuclearsurfacemoistureanddensitygaugeandthecorrespondingwatermassperunitvolumeofthecorre-spondingwatercontentstandarduponwhichthewatercontentsystemresponsewasobserved.1.6Thisguidedescribestheprocessandobjectiveoftheverificationofthemeasurementsofanuclearsurfacemoistureanddensitygauge.1.7Thisguidedescribestwomathematicalprocessesbywhichthegaugemeasurementprecisionmaybecomputedormeasured.1.8Thisguideoffersguidancefordevelopingandreportingestimatesofuncertaintiesinmeasurementsmadewithgaugesthathaveundergonecalibrationandverification.1.9Allobservedandcalculatedvaluesshallconformtothegu...