1、Designation:F293913Standard Specification forHigh Voltage Phasing Testers1This standard is issued under the fixed designation F2939;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses ind
2、icates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers portable,live-line tool-supported two-pole phasing testers to be used on AC electricalsystems.1.2 Two types of phasing testers are provide
3、d and aredesignated as Type I Resistive and Type II Capacitive.1.3 Two styles of phasing testers are provided and aredesignated as Style A Numerical and Style B Audible/Visual.1.4 The use and maintenance of these high voltage phasingtesters and any necessary insulated tool handles are beyond thescop
4、e of this specification.1.5 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.6 This standard does not purport to address all of thesafety
5、 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 limitations prior to use.NOTE1Except where specified,all voltage defined in this specifica-tion refers to
6、 phase-to-phase voltage in a three-phase system.PhasingTesters covered by this specification may be used in other than three-phasesystems,but the applicable phase-to-phase or phase-to-ground(earth)voltages shall be used to determine the operating voltage.2.Referenced Documents2.1 ASTM Standards:2F17
7、96 Specification for High Voltage DetectorsPart 1Capacitive Type to be Used for Voltages Exceeding 600Volts AC2.2 Other Standards:3ANSI C84.1 Electric Power Systems and EquipmentVoltage Ranges3.Terminology3.1 Definitions:3.1.1 clear indication,na specific condition that detectsand indicates the pres
8、ence or absence of the correct voltage,orphase relationship,or both,between two energized parts.3.1.2 contact electrode,nthe bare conductive part of theconductive element that establishes the electrical connection tothe component to be tested.3.1.3 indicator,npart of the phasing tester that indicate
9、sthe presence or absence of the correct voltage,or phaserelationship,or both,between two energized parts.3.1.4 indication,nvisible,audible,or numeric indicationof which clearly indicates the presence of nominal operatingvoltage within the specified voltage range.3.1.4.1 DiscussionNoise and light ind
10、ications shall beclearly detectable under the conditions outlined as follows:(See Specification F1796,sections 10.3.13 and 10.3.14).Ac-ceptable Audible Indication The audible test should beperformed in an environment where background noise does notexceed 60 dBA.Acceptable Visual Indication The Style
11、 Bvisual tests should be conducted in an environment withambient light conditions ranging from 0 to 18 000 fc.3.1.5 insertion limit,ndistinctive location to indicate tothe user the physical limit to which the phasing device may beinserted between energized/grounded parts,as specified by themanufactu
12、rer.3.1.6 interference field,nelectrical field capable of affect-ing the indication.It may result from the part to be tested orother adjacent parts.3.1.7 interference ground,nground potential capable ofaffecting the indication.It may result from the part to be testedor other adjacent parts.3.1.8 pha
13、sing tester,nportable device used to detect andindicate the presence or absence of the correct voltage,or1This test method is under the jurisdiction of ASTM Committee F18 onElectrical Protective Equipment for Workers and is the direct responsibility ofSubcommittee F18.35 on Tools&Equipment.Current e
14、dition approved Sept.1,2013.Published October 2013.DOI:10.1520/F2939-132For 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 onthe ASTM web
15、site.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 phase relationship,or both,between two energized parts at thesam
16、e nominal voltage and frequency.3.1.9 response time,ntime delay between sudden changeof the voltage state on the contact electrode and the associatedclear indication.3.1.10 status indication,nthe ability by the user to deter-mine that the phasing tester is in its operating position.3.1.11 test:3.1.11.1 acceptance test,na test made at the option of thepurchaser to verify that a product meets design criteria.3.1.11.2 design test,na test made on a sample treated asrepresentative of an industrial pr
