1. Trang chủ
  2. » Kỹ Thuật - Công Nghệ

Bsi bs en 10246 8 2000

14 1 0

Đang tải... (xem toàn văn)

Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống

THÔNG TIN TÀI LIỆU

Thông tin cơ bản

Tiêu đề Non-destructive Testing Of Steel Tubes
Trường học Institute of Technology Tallaght
Chuyên ngành Non-destructive Testing
Thể loại British Standard
Năm xuất bản 2000
Thành phố Tallaght
Định dạng
Số trang 14
Dung lượng 100,58 KB

Các công cụ chuyển đổi và chỉnh sửa cho tài liệu này

Nội dung

| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |[.]

Trang 1

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

10246-8:2000

The European Standard EN 10246-8:1999 has the status of a

British Standard

ICS 23.040.10; 77.040.20

NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW

Non-destructive testing

of steel tubes Ð

Part 8: Automatic ultrasonic testing of

the weld seam of electric welded steel

tubes for the detection of longitudinal

imperfections

Trang 2

This British Standard, having

been prepared under the

direction of the Engineering

Sector Committee, was published

under the authority of the

Standards Committee and comes

into effect on 15 February 2000

 BSI 02-2000

BS EN 10246-8:2000

Amendments issued since publication

National foreword

This British Standard is the official English language version of EN 10246-8:1999 This British Standard contains elements of BS 3889-1:1983 A complete list of the parts of EN 10246 is given in annex A of this standard This British Standard partially supersedes BS 3889-1:1983, and when all relevant parts have been published bs 3889-1:1983 will be withdrawn.

The UK participation in its preparation was entrusted by Technical Committee ISE/73, Steels for pressure purposes, to Subcommittee ISE/73/1, Steel tubes for pressure purposes, which has the responsibility to:

Ð aid enquirers to understand the text;

Ð present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed;

Ð monitor related international and European developments and promulgate them in the UK.

A list of organizations represented on this committee can be obtained on request to its secretary.

Cross-references

The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled ªInternational Standards Correspondence Indexº, or by using the ªFindº facility of the BSI Standards Electronic Catalogue.

A British Standard does not purport to include all the necessary provisions of a contract Users of British Standards are responsible for their correct application.

Compliance with a British Standard does not of itself confer immunity from legal obligations.

Summary of pages

This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 11 and a back cover.

The BSI copyright notice displayed in this document indicates when the document was last issued.

Trang 3

1250((8523e(11(

(8523b,6&+(1250

(1

1RYHPEHU

,&6

(QJOLVKYHUVLRQ

1RQGHVWUXFWLYHWHVWLQJRIVWHHOWXEHV3DUW$XWRPDWLF XOWUDVRQLFWHVWLQJRIWKHZHOGVHDPRIHOHFWULFZHOGHGVWHHOWXEHV

IRUWKHGHWHFWLRQRIORQJLWXGLQDOLPSHUIHFWLRQV

(VVDLVQRQGHVWUXFWLIVGHVWXEHVHQDFLHU3DUWLH

&RQWU{OHDXWRPDWLTXHSDUXOWUDVRQVGXFRUGRQGHVRXGXUH

SRXUODGpWHFWLRQGHVLPSHUIHFWLRQVORQJLWXGLQDOHVGHV

WXEHVHQDFLHUVRXGpVpOHFWULTXHPHQW

=HUVW|UXQJVIUHLH3UIXQJYRQ6WDKOURKUHQ7HLO

$XWRPDWLVFKH8OWUDVFKDOOSUIXQJGHU6FKZHL‰QDKW HOHNWULVFKJHVFKZHL‰WHU6WDKOURKUH]XP1DFKZHLVYRQ

/lQJVIHKOHUQ

7KLV(XURSHDQ6WDQGDUGZDVDSSURYHGE\&(1RQ2FWREHU

&(1PHPEHUVDUHERXQGWRFRPSO\ZLWKWKH&(1&(1(/(&,QWHUQDO5HJXODWLRQVZKLFKVWLSXODWHWKHFRQGLWLRQVIRUJLYLQJWKLV(XURSHDQ 6WDQGDUGWKHVWDWXVRIDQDWLRQDOVWDQGDUGZLWKRXWDQ\DOWHUDWLRQ8SWRGDWHOLVWVDQGELEOLRJUDSKLFDOUHIHUHQFHVFRQFHUQLQJVXFKQDWLRQDO VWDQGDUGVPD\EHREWDLQHGRQDSSOLFDWLRQWRWKH&HQWUDO6HFUHWDULDWRUWRDQ\&(1PHPEHU

7KLV(XURSHDQ6WDQGDUGH[LVWVLQWKUHHRIILFLDOYHUVLRQV (QJOLVK)UHQFK*HUPDQ $YHUVLRQLQDQ\RWKHUODQJXDJHPDGHE\WUDQVODWLRQ XQGHUWKHUHVSRQVLELOLW\RID&(1PHPEHULQWRLWVRZQODQJXDJHDQGQRWLILHGWRWKH&HQWUDO6HFUHWDULDWKDVWKHVDPHVWDWXVDVWKHRIILFLDO YHUVLRQV

&(1PHPEHUVDUHWKHQDWLRQDOVWDQGDUGVERGLHVRI$XVWULD%HOJLXP&]HFK5HSXEOLF'HQPDUN)LQODQG)UDQFH*HUPDQ\*UHHFH ,FHODQG,UHODQG,WDO\/X[HPERXUJ1HWKHUODQGV1RUZD\3RUWXJDO6SDLQ6ZHGHQ6ZLW]HUODQGDQG8QLWHG.LQJGRP

(8523($1 &200,77(( )25 67$1'$5',=$7,21

& 2 0 , 7 e  ( 8 5 2 3 e ( 1  ' (  1 2 5 0 $ / , 6 $ 7 , 2 1 ( 8 5 2 3 b , 6 & + ( 6  2 0 , 7 ( (  ) h 5  1 2 5 0 8 1 *

&HQWUDO6HFUHWDULDWUXHGH6WDVVDUW%%UXVVHOV

‹&(1 $OOULJKWVRIH[SORLWDWLRQLQDQ\IRUPDQGE\DQ\PHDQVUHVHUYHG

ZRUOGZLGHIRU&(1QDWLRQDO0HPEHUV 5HI1R(1(

Trang 4

(1

&RQWHQWV

3DJH

(TXLSPHQWFDOLEUDWLRQDQGFKHFNLQJ 

$QQH[$ LQIRUPDWLYH 7DEOHRI3DUWVRI(11RQGHVWUXFWLYHWHVWLQJRIVWHHO

$QQH[% QRUPDWLYH 0DQXDOVHPLDXWRPDWLFXOWUDVRQLFWHVWLQJRIXQWHVWHG

Trang 5

3DJH (1

¸%6,

)RUHZRUG

7KLV(XURSHDQ6WDQGDUGKDVEHHQSUHSDUHGE\7HFKQLFDO&RPPLWWHH(&,667&6WHHOWXEHV DQGILWWLQJVIRUVWHHOWXEHVWKH6HFUHWDULDWRIZKLFKLVKHOGE\81,

7KLV(XURSHDQ6WDQGDUGVKDOOEHJLYHQWKHVWDWXVRIDQDWLRQDOVWDQGDUGHLWKHUE\SXEOLFDWLRQRI DQLGHQWLFDOWH[WRUE\HQGRUVHPHQWDWWKHODWHVWE\0D\DQGFRQIOLFWLQJQDWLRQDO

VWDQGDUGVVKDOOEHZLWKGUDZQDWWKHODWHVWE\0D\

7KLV(XURSHDQ6WDQGDUGKDVEHHQSUHSDUHGXQGHUDPDQGDWHJLYHQWR&(1E\WKH(XURSHDQ

&RPPLVVLRQDQGWKH(XURSHDQ)UHH7UDGH$VVRFLDWLRQ7KLV(XURSHDQ6WDQGDUGLVFRQVLGHUHG WREHDVXSSRUWLQJVWDQGDUGWRWKRVHDSSOLFDWLRQDQGSURGXFWVWDQGDUGVZKLFKLQWKHPVHOYHV VXSSRUWDQHVVHQWLDOVDIHW\UHTXLUHPHQWRID1HZ$SSURDFK'LUHFWLYHDQGZKLFKPDNHUHIHUHQFH WRWKLV(XURSHDQ6WDQGDUG

$FFRUGLQJWRWKH&(1&(1(/(&,QWHUQDO5HJXODWLRQVWKHQDWLRQDOVWDQGDUGVRUJDQL]DWLRQVRI WKHIROORZLQJFRXQWULHVDUHERXQGWRLPSOHPHQWWKLV(XURSHDQ6WDQGDUG$XVWULD%HOJLXP

&]HFK5HSXEOLF'HQPDUN)LQODQG)UDQFH*HUPDQ\*UHHFH,FHODQG,UHODQG,WDO\

/X[HPERXUJ1HWKHUODQGV1RUZD\3RUWXJDO6SDLQ6ZHGHQ6ZLW]HUODQGDQGWKH8QLWHG LQJGRP

Trang 6

(1

 6FRSH

7KLV3DUWRI(1VSHFLILHVWKHUHTXLUHPHQWVIRUDXWRPDWLFXOWUDVRQLFVKHDUZDYH DQG/DPEZDYHWHVWLQJRIWKHZHOGVHDPRIHOHFWULFZHOGHGVWHHOWXEHVIRUWKHGHWHFWLRQ RIORQJLWXGLQDOLPSHUIHFWLRQV7KHVWDQGDUGVSHFLILHVDFFHSWDQFHOHYHOVDQGFDOLEUDWLRQ SURFHGXUHV

7KLV3DUWRI(1LVDSSOLFDEOHWRWKHLQVSHFWLRQRIWXEHVZLWKDQRXWVLGHGLDPHWHU HTXDOWRRUJUHDWHUWKDQPP

(XURSHDQ 6WDQGDUG (1 1RQGHVWUXFWLYH WHVWLQJ RI VWHHO WXEHV FRPSULVHV WKH 3DUWVVKRZQLQDQQH[$

 *HQHUDOUHTXLUHPHQWV

RQWXEHVDIWHUFRPSOHWLRQRIDOOWKHSULPDU\SURGXFWLRQSURFHVVRSHUDWLRQV

DVWRHQVXUHWKHYDOLGLW\RIWKHWHVW

 0HWKRGRIWHVW

ZDYHWHFKQLTXHIRUWKHGHWHFWLRQRISUHGRPLQDQWO\ORQJLWXGLQDOLPSHUIHFWLRQV

HDFKRWKHUDQGWKHWUDQVGXFHUDVVHPEO\VKDOOEHPDLQWDLQHGLQSURSHUDOLJQPHQWRYHU WKHZKROHRIWKHZHOGVHDPDORQJWKHHQWLUHWXEHOHQJWK

,W LV UHFRJQL]HG WKDW WKHUH PD\ EH D VKRUW OHQJWK DW ERWK WXEH HQGV ZKLFK FDQQRW EH WHVWHG$Q\XQWHVWHGHQGVVKDOOEHGHDOWZLWKLQDFFRUGDQFHZLWKWKHUHTXLUHPHQWVRIWKH DSSURSULDWHSURGXFWVWDQGDUGV VHHDOVRDQQH[% 

7KHUHODWLYHVSHHGGXULQJWHVWLQJVKDOOQRWYDU\E\PRUHWKDQ

EHWZHHQSXUFKDVHDQGPDQXIDFWXUHULQWZRRSSRVLWHGLUHFWLRQVRIEHDPWUDYHODWULJKW DQJOHVWRWKHZHOG

IRUVKHDUZDYHVDQGLQWKHUDQJHRI0+]WR0+]IRU/DPEZDYHVGHSHQGLQJRQ WKHWKLFNQHVVDQGVXUIDFHILQLVKRIWKHWXEHVWREHWHVWHG

D[LVRIWKHZHOGVKDOOEHPPIRUVKHDUZDYHVDQGPPIRU/DPEZDYHV

 7KH HTXLSPHQW VKDOO EH FDSDEOH RI FODVVLI\LQJ WXEHV DV HLWKHU DFFHSWDEOH RU

VXVSHFWWXEHVE\PHDQVRIDQDXWRPDWLFWULJJHUDODUPOHYHOFRPELQHG ZLWK D PDUNLQJ DQGRUVRUWLQJV\VWHP

Trang 7

3DJH (1

¸%6,

DUHDVLVUHTXLUHGWKLVVKDOOEHFDUULHGRXWLQDFFRUGDQFHZLWKDQQH[%

 5HIHUHQFHVWDQGDUGV

 *HQHUDO

 7KH UHIHUHQFH VWDQGDUGV GHILQHG LQ WKLV 3DUW RI (1 DUH FRQYHQLHQW

VWDQGDUGVIRUFDOLEUDWLRQRIQRQGHVWUXFWLYHWHVWLQJHTXLSPHQW7KHGLPHQVLRQVRIWKHVH VWDQGDUGVVKRXOGQRWEHFRQVWUXHGDVWKHPLQLPXPVL]HRILPSHUIHFWLRQVGHWHFWDEOHE\ VXFKHTXLSPHQW

 7KH XOWUDVRQLF HTXLSPHQW VKDOO EH FDOLEUDWHG XVLQJ D UHIHUHQFH QRWFK RQ WKH

RXWVLGHDQGLQVLGHVXUIDFHVRUWKHRXWVLGHVXUIDFHRQO\RIDWXEXODUWHVWSLHFH

7KH LQWHUQDO QRWFK VKDOO QRW EH XVHG ZKHQ WKH WXEH LQWHUQDO GLDPHWHU LV OHVV WKDQ

PPXQOHVVRWKHUZLVHDJUHHGEHWZHHQSXUFKDVHUDQGPDQXIDFWXUHU

$OWHUQDWLYHO\ D FLUFXODU UHIHUHQFH KROH GULOOHG UDGLDOO\ WKURXJK WKH IXOO WKLFNQHVV RI WKH WHVWSLHFHPD\EHXVHGIRUHTXLSPHQWFDOLEUDWLRQE\DJUHHPHQWEHWZHHQWKHSXUFKDVHU DQG WKH PDQXIDFWXUHU ,Q WKLV FDVH WKH GLDPHWHU RI WKH GULOO UHTXLUHG WR SURGXFH WKH UHIHUHQFH KROH IRU D VSHFLILF DFFHSWDQFH OHYHO VKDOO EH DJUHHG XSRQ DQG WKH PDQXIDFWXUHU VKDOO GHPRQVWUDWH WR WKH VDWLVIDFWLRQ RI WKH SXUFKDVHU WKDW WKH WHVW VHQVLWLYLW\DFKLHYHG XVLQJ WKH UHIHUHQFH KROH LV HVVHQWLDOO\ HTXLYDOHQW WR WKDW REWDLQHG ZKHQXVLQJWKHVSHFLILHGUHIHUHQFHQRWFKRUQRWFKHV

 7KHWHVWSLHFHVKDOOEHRIWKHVDPHVSHFLILHGGLDPHWHUWKLFNQHVVVXUIDFHILQLVK

DQGKHDWWUHDWPHQWFRQGLWLRQVDVWKHWXEHWREHWHVWHGDQGVKDOOKDYHVLPLODUDFRXVWLF SURSHUWLHV IRUH[DPSOHYHORFLW\DWWHQXDWLRQFRHIILFLHQW 

 7KH H[WHUQDO QRWFK DQG LQWHUQDO QRWFK RU UHIHUHQFH KROH ZKHQ XVHG  VKDOO EH

VXIILFLHQWO\VHSDUDWHGIURPWKHHQGVRIWKHWHVWSLHFHDQGIURPHDFKRWKHU ZKHQERWK QRWFKHVDUHXVHG VRWKDWFOHDUO\GLVWLQJXLVKDEOHVLJQDOLQGLFDWLRQVDUHREWDLQHG

 7\SHVRIUHIHUHQFHQRWFKHV

 7KHUHIHUHQFHQRWFK HV VKDOOOLHSDUDOOHOWRWKHPDMRUD[LVRIWKHZHOGVHDP7KH

UHIHUHQFHQRWFK V VKDOOEHRIWKH1W\SHH[FHSWWKDWWKH9W\SHQRWFKPD\EHXVHG DW WKH GLVFUHWLRQ RI WKH PDQXIDFWXUHU ZKHQ WKH VSHFLILHG QRWFK GHSWK LV OHVV WKDQ RU HTXDO WR PP VHH ILJXUH   ,Q WKH FDVH RI WKH 1 W\SH QRWFK WKH VLGHV VKDOO EH QRPLQDOO\SDUDOOHODQGWKHERWWRPVKDOOEHQRPLQDOO\VTXDUHWRWKHVLGHV

 7KH UHIHUHQFH QRWFK VKDOO EH IRUPHG E\ PDFKLQLQJ VSDUN HURVLRQ RU RWKHU

PHWKRGV

127( ,W LV UHFRJQL]HG WKDW WKH ERWWRP RU WKH ERWWRP FRPHUV RI WKH

QRWFKPD\EHURXQGHG

Trang 8

(1

RQO\WREHXVHGZKHQGˆPP

)LJXUH5HIHUHQFHQRWFKIRUPV

 'LPHQVLRQVRIUHIHUHQFHQRWFK

 7KH ZLGWK Z VHH ILJXUH  RI WKH UHIHUHQFH QRWFK VKDOO QRW EH JUHDWHU WKDQ

PP

 7KH UHIHUHQFH QRWFK GHSWK VKDOO EH DV JLYHQ LQ WDEOH ZLWK WKH IROORZLQJ

OLPLWDWLRQV

888FDWHJRULHVWXEHV

 7KHWROHUDQFHRQQRWFKGHSWKVKDOOEH–RIWKHUHIHUHQFHQRWFKGHSWKRU

–PPZKLFKHYHULVWKHODUJHU

 7KH OHQJWK RI WKH UHIHUHQFH QRWFK VKDOO EH WZLFH WKH ZLGWK RI HDFK LQGLYLGXDO

WUDQVGXFHUZLWKDPD[LPXPRIPP

 9HULILFDWLRQRIUHIHUHQFHQRWFK

7KHUHIHUHQFHQRWFKGLPHQVLRQVDQGVKDSHVKDOOEHYHULILHGE\DVXLWDEOHWHFKQLTXH

Trang 9

3DJH (1

¸%6,

7DEOH$FFHSWDQFHOHYHOGHVLJQDWLRQDQGFRUUHVSRQGLQJUHIHUHQFHQRWFKGHSWK

RIWKHVSHFLILHGWKLFNQHVV VHHQRWH

1RWH 7KH YDOXHV RI QRWFK GHSWK VSHFLILHG LQ WKLV WDEOH DUH WKH VDPH IRU WKH FRUUHVSRQGLQJ FDWHJRULHV LQ DOO (XURSHDQ 6WDQGDUGV FRQFHUQLQJ QRQGHVWUXFWLYH WHVWLQJRIVWHHOWXEHVZKHUHUHIHUHQFHLVPDGHWRGLIIHUHQWDFFHSWDQFHOHYHOV,WVKRXOG

KRZHYHU EH NHSW LQ PLQG WKDW DOWKRXJK WKH UHIHUHQFH VWDQGDUGV DUH LGHQWLFDO WKH YDULRXV WHVW PHWKRGV LQYROYHG FDQ JLYH GLIIHUHQW WHVW UHVXOWV $FFRUGLQJO\ WKH DFFHSWDQFH OHYHO GHVLJQDWLRQ SUHIL[ 8 XOWUDVRQLF  KDV EHHQ DGRSWHG WR DYRLG DQ\

LQIHUUHGGLUHFWHTXLYDOHQFHZLWKRWKHUWHVWPHWKRGV

 (TXLSPHQWFDOLEUDWLRQDQGFKHFNLQJ

FRQVHFXWLYHSDVVHVRIWKHWHVWSLHFHWKURXJKWKHHTXLSPHQW FOHDUO\LGHQWLILDEOHVLJQDOV IURPWKHUHIHUHQFHVWDQGDUG V  VHH 7KHIXOODPSOLWXGHRIWKHVHVLJQDOVVKDOOEH XVHGWRVHWWKHWULJJHUDODUPOHYHO V RIWKHHTXLSPHQW

:KHUHDVLQJOHWULJJHUDODUPOHYHOLVXVHGWKHWUDQVGXFHU V VKDOOEHDGMXVWHGVRWKDW WKH VLJQDOV IURP WKH LQWHUQDO DQG H[WHUQDO UHIHUHQFH QRWFKHV DUH DV QHDU HTXDO DV SRVVLEOHDQGWKHIXOOVLJQDODPSOLWXGHRIWKHOHVVHURIWKHWZRVLJQDOVVKDOOEHXVHGWRVHW WKHWULJJHUDODUPOHYHORIWKHHTXLSPHQW:KHUHVHSDUDWHWULJJHUDODUPOHYHOVDUHXVHG IRU LQWHUQDO DQG H[WHUQDO UHIHUHQFH QRWFKHV WKH IXOO VLJQDO DPSOLWXGH IURP HDFK QRWFK VKDOOEHXVHGWRVHWWKHUHOHYDQWWULJJHUDODUPOHYHORIWKHHTXLSPHQW

:KHQXVLQJWKHUHIHUHQFHKROHWKHPDQXIDFWXUHUVKDOOGHPRQVWUDWHWRWKHVDWLVIDFWLRQ RI WKH SXUFKDVHU WKDW WKH VHQVLWLYLW\ DFKLHYHG DW WKH LQQHU DQG RXWHU VXUIDFHV LV HVVHQWLDOO\ HTXLYDOHQW WR WKDW DFKLHYHG ZKHQ XVLQJ WKH VSHFLILHG H[WHUQDO DQG LQWHUQDO UHIHUHQFHQRWFKHV

DQGWKHWUDQVGXFHUDVVHPEO\VKDOOEHWKHVDPHDVWKDWWREHXVHGGXULQJWKHSURGXFWLRQ WHVW6HPLG\QDPLFFDOLEUDWLRQFKHFNLQJPD\EHXVHG

SURGXFWLRQ WHVWLQJ RI WXEHV RI WKH VDPH VSHFLILHG GLDPHWHU WKLFNQHVV DQG JUDGH E\ SDVVLQJWKHWHVWSLHFHWKURXJKWKHWHVWHTXLSPHQW

Trang 10

(1

7KH IUHTXHQF\ RI FKHFNLQJ WKH FDOLEUDWLRQ VKDOO EH DW OHDVW HYHU\ IRXU KRXUV EXW DOVR ZKHQHYHUWKHUHLVDQHTXLSPHQWRSHUDWRUWHDPFKDQJHRYHUDQGDWWKHVWDUWDQGHQGRI SURGXFWLRQ

GXULQJWKHLQLWLDOFDOLEUDWLRQDUHFKDQJHG

VDWLVILHGHYHQDIWHULQFUHDVLQJWKHWHVWVHQVLWLYLW\E\G%WRDOORZIRUV\VWHPGULIWWKHQ DOO WXEHV WHVWHG VLQFH WKH SUHYLRXV HTXLSPHQW FKHFN VKDOO EH UHWHVWHG DIWHU WKH HTXLSPHQWKDVEHHQUHFDOLEUDWHG

 $FFHSWDQFH

KDYHSDVVHGWKLVWHVW

OLQHZKLFKHYHULVWKHJUHDWHUZKHUH7LVWKHVSHFLILHGWXEHWKLFNQHVVHTXDOWRRUJUHDWHU

PD\EHUHWHVWHG

OHYHOWKHWXEHVKDOOEHGHHPHGWRKDYHSDVVHGWKLVWHVW

7XEHVJLYLQJVLJQDOVHTXDOWRRUJUHDWHUWKDQWKHWULJJHUDODUPOHYHOVKDOOEHGHVLJQDWHG VXVSHFW

WKHUHTXLUHPHQWVRIWKHSURGXFWVWDQGDUG

D 7KHVXVSHFWDUHDVKDOOEHGUHVVHGRUH[SORUHGE\DVXLWDEOHPHWKRG$IWHUFKHFNLQJ WKDWWKHUHPDLQLQJWKLFNQHVVLVZLWKLQWROHUDQFHWKHWXEHVKDOOEHWHVWHGDVSUHYLRXVO\ VSHFLILHG,IQRVLJQDOVDUHREWDLQHGHTXDOWRRUJUHDWHUWKDQWKHWULJJHUDODUPOHYHO WKHWXEHVKDOOEHGHHPHGWRKDYHSDVVHGWKLVWHVW

7KH VXVSHFW DUHD PD\ EH UHWHVWHG E\ RWKHU QRQGHVWUXFWLYH WHFKQLTXHV DQG WHVW PHWKRGVE\DJUHHPHQWEHWZHHQSXUFKDVHUDQGPDQXIDFWXUHUWRDJUHHGDFFHSWDQFH OHYHOV

E 7KH VXVSHFW DUHD VKDOO EH FURSSHG RII 7KH PDQXIDFWXUHU VKDOO HQVXUH WKDW DOO WKH VXVSHFWDUHDKDVEHHQUHPRYHG

F 7KHWXEHVKDOOEHGHHPHGQRWWRKDYHSDVVHGWKLVWHVW

 7HVWUHSRUWLQJ

:KHQ VSHFLILHG WKH PDQXIDFWXUHU VKDOO SURYLGH WKH SXUFKDVHU ZLWK DW OHDVW WKH IROORZLQJLQIRUPDWLRQ

D UHIHUHQFHWRWKLV3DUWRI(1

E GDWHRIWHVWUHSRUW

F DFFHSWDQFHOHYHO

Trang 11

3DJH (1

¸%6,

H SURGXFWGHVLJQDWLRQE\JUDGHDQGVL]H

I  W\SHDQGGHWDLOVRILQVSHFWLRQWHFKQLTXH

J GHVFULSWLRQRIWKHUHIHUHQFHVWDQGDUG

Ngày đăng: 14/04/2023, 00:22

TÀI LIỆU CÙNG NGƯỜI DÙNG

TÀI LIỆU LIÊN QUAN