1、Designation:F2342/F2342M15Standard Specification forDesign and Construction of Composition or QualityConstituent Measuring Devices or Systems1This standard is issued under the fixed designation F2342/F2342M;the number immediately following the designation indicates the yearof original adoption or,in
2、 the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers the requirements for designand construction of evaluation devi
3、ces or systems for measur-ing composition or quality constituents of live animals,live-stock and poultry carcasses,and individual cuts of meat,or acombination thereof.Examples include,but are not limited,tohalf and whole carcasses,primals,subprimals,and boxed meat.1.2 The values stated in either SI
4、units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.3 This standard does not
5、 purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory requirements prior to use.2.Referenced Documents2.1 ASTM Standards:2F
6、2463 Terminology for Livestock,Meat,and Poultry Evalu-ation Systems3.Terminology3.1 For definitions relating to livestock,meat,and poultryevaluation systems,see Terminology F2463.3.2 Definitions of Terms Specific to This Standard:3.2.1 evaluation device,nequipment designed to measurecomposition or q
7、uality constituents used to determine the valueof live animals,carcasses,and individual cuts of meat(seeTerminology F2463).3.2.2 evaluation system,ndevice or group of devices usedto measure and record composition or quality constituents usedto determine the value of live animals,carcasses,and indi-v
8、idual cuts of meat(see Terminology F2463).3.2.3 fault condition,nabnormal condition that may causea reduction in,or loss of the capability of,a functional unit toperform a required function.3.2.3.1 DiscussionPrincipally,a fault is the result of anerror in the data contained in or flowing through a m
9、easuringdevice or system.3.2.4 inch-pound unit,ninASTM standards,unit based onthe inch and pound,commonly used in the United States ofAmerica and defined by the National Institute of Standards andTechnology,including certain other units accepted for use withthe units.3.2.4.1 DiscussionInch-pound,als
10、o known as US Cus-tomary Units,are one type of non-SI units.Another example ofnon-SI units is the centimetre gram second(cgs)system.3.2.5 indicating element,nelement incorporated in a mea-suring device or system by means of which its output,relativeto quantity or quality measurement,is displayed or“
11、read”fromthe device itself as,for example,a digital indicator.3.2.6 meat,nedible product(s)harvested by the livestockor poultry packing industries(see Terminology F2463).3.2.7 NationalTypeEvaluationProgram(NTEP),nprogram administered by the National Conference onWeights and Measures,Inc.(NCWM)in coo
12、peration with theNational Institute of Standards and Technology(NIST),stateand local governments,and the private sector for determining,on a uniform basis,conformance of a type,with an applicablestandard.3.2.8 recording element,nelement incorporated in a mea-suring device by means of which its outpu
13、t,relative to quantityor quality measurement,is permanently recorded on a tape,ticket,card,electronic storage medium,or the like,in the formof a printed,stamped,punched,perforated representation,or aretrievable electronic record.3.2.9 reference material,nphysical object used as a basisfor comparison
14、 or calibration.1This specification is under the jurisdiction of ASTM Committee F10 onLivestock,Meat,and Poultry Evaluation Systems and is the direct responsibility ofSubcommittee F10.10 on Design Specification.Current edition approved Nov.1,2015.Published December 2015.Originallyapproved in 2003.La
15、st previous edition approved in 2009 as F2342/F2342M 09.DOI:10.1520/F2342_F2342M-15.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page o
16、nthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.2.10 SI unit,nin ASTM standards,unit of the Interna-tional System of Units(SI)and other units specifically ap-proved in IEEE/ASTM SI 10 as a unit for use with SI.3.2.11 units of measure,nfor the purpose of thisspecification,the units of measure shall be the InternationalSystem of Units(SI).3.2.11.1 DiscussionSI units are divided into three classes:base units,derived u
