1、Designation:E114Method 9501Federal TestMethod Standard No.791bStandard Specification forASTM Liquid-in-Glass Thermometers1This standard is issued under the fixed designation E1;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year
2、 of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 This specification covers liquid-in-
3、glass thermometersgraduated in degrees Celsius or degrees Fahrenheit that arefrequently identified and used in methods under the jurisdictionof the various technical committees withinASTM.The variousthermometers specified are listed in Table 1.The inclusion ofan IP number in Table 1 indicates,where
4、appearing,that thethermometer specification has been jointly agreed upon by theBritish Institute of Petroleum(IP)and ASTM.1.2 Thisspecificationalsocoversadjustable-rangeenclosed-scale thermometers,graduated in degrees Celsius,which are used in ASTM methods.1.3 The enclosed-scale thermometers are com
5、monly calledBeckmann thermometers.They are suitable for measuringsmall temperature differences not exceeding 6 C within alarger range of temperature.The thermometers are unsuitablefor measuring Celsius-or kelvin-scale temperatures unless theyhave been compared with standard instruments immediatelybe
6、fore use.1.4 An alphabetic list of the ASTM Thermometers includedin this standard is given in Table 2.1.5 A list of ASTM Thermometers is given in Table 3 tofacilitate selection according to temperature range,immersion,and scale-error requirements.NOTE1For a listing of thermometers recommended for ge
7、nerallaboratory use,the ScientificApparatus MakersAssociation Specificationsfor General Purpose Glass Laboratory Thermometers may be consulted.2NOTE2It has been found by experience that these ASTMThermometers,although developed in general for specific tests,may alsobe found suitable for other applic
8、ations,thus precluding the need for newthermometer specifications differing in only minor features.However,it issuggested that technical committees contact Subcommittee E20.05 beforechoosing a currently specified thermometer for a new method to be surethe thermometer will be suitable for the intende
9、d application.1.6 The thermometers found in Table 1 contain mercury,mercury thallium eutectic alloy,or toluene or other suitableliquid colored with a permanent red dye.For low-hazardprecision non-mercury alternatives to E1 thermometers,seeSpecification E2251.1.7 WARNINGMercury has been designated by
10、 EPAandmany state agencies as a hazardous material that can causecentral nervous system,kidney and liver damage.Mercury,orits vapor,may be hazardous to health and corrosive tomaterials.Caution should be taken when handling mercury andmercury containing products.See the applicable product Ma-terial S
11、afety Data Sheet(MSDS)for details and EPAs website-http:/www.epa.gov/mercury/faq.htm-for additional informa-tion.Users should be aware that selling mercury and/ormercury containing products into your state may be prohibitedby state law.1.8 This standard does not purport to address all of thesafety c
12、oncerns,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 limitations prior to use.2.Referenced Documents2.1 ASTM Standards:3E77 Test Method for Inspection and Verif
13、ication of Ther-mometersE344 Terminology Relating to Thermometry and Hydrom-etryE563 Practice for Preparation and Use of an Ice-Point Bathas a Reference TemperatureE2251 Specification for Liquid-in-Glass ASTM Thermom-eters with Low-Hazard Precision Liquids3.Terminology3.1 DefinitionsThe definitions
14、given in Terminology E344apply.1This specification is under the jurisdiction of ASTM Committee E20 onTemperature Measurement and is the direct responsibility of Subcommittee E20.05on Liquid-in-Glass Thermometers and Hydrometers.Current edition approved May 1,2014.Published September 2014.Originallya
15、pproved in 1939.Last previous edition approved in 2013 as E1 13.DOI:10.1520/E0001-14.2Available from SAMA Group of Assocs.,225 Reinekers,Ste.625,Alexandria,VA 23314.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book o
16、f ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.2 Definitions of Terms Specific to This Standard:3.2.1 adjusting device,na section of the instrument usedto adjust the amount of mercury in the bulb and main capillaryto that needed for the intended temperature interval.3.2.2 bulb length,nthe distance from the bottom of thebulb to the jun