EN 61262-2-1994 en Medical Electrical Equipment - Characteristics of Electro-Optical X-Ray Image Intensifiers Part 2 Determination of the Conversion Factor《医用电气设备 光电X射线影像增强器特性 第2部分.pdf
《EN 61262-2-1994 en Medical Electrical Equipment - Characteristics of Electro-Optical X-Ray Image Intensifiers Part 2 Determination of the Conversion Factor《医用电气设备 光电X射线影像增强器特性 第2部分.pdf》由会员分享,可在线阅读,更多相关《EN 61262-2-1994 en Medical Electrical Equipment - Characteristics of Electro-Optical X-Ray Image Intensifiers Part 2 Determination of the Conversion Factor《医用电气设备 光电X射线影像增强器特性 第2部分.pdf(18页珍藏版)》请在麦多课文档分享上搜索。
1、 _ _ CENELEC EN*bL262-2 74 3404583 OlYOL3 TOO BRITISH STANDARD Characteristics of electro-optical X-ray image intensifiers for medical electrical equipment Part 2. Determination of the conversion factor The European Standard EN 61262-2 : 1994 has the status of a British Standard BS EN 61262-2 : 1995
2、 JEC 1262-2 : 1994 BS EN 61262-2 : 1995 Date This British Standard, having been prepared under the direction of the Health and Environment Sector Board (H-), was published under the authority of the Standards Board and comes into effect on 15 March 1995 O BSI 1995 Rxt affected The following BSI refe
3、rences relate to the work on this standard: Committee reference HCC/72 Draft for comment 94/501342 DC ISBN O 580 23691 2 Committees responsible for this British Standard The preparation of this British Standard was entrusted to %chnical Committee HCC/72, Image intensifiers, upon which the following
4、bodies were represented: Association of X-ray Equipment Manufacturers (BEAMA Ltd .) British Institute of Radiology College of Radiographers Institute of Physical Sciences in Medicine (Ipsm) Amendments issued since publication Amd. No. CENELEC EN*b1262-2 94 m 3404583 0149015 883 m BS EN 61262-2 : 199
5、5 Contents Committees responsible Inside front cover National foreword ii Foreword 2 Bxt Of EN 61262-2 4 i CENELEC EN*b1262-2 94 = 3404583 0149016 71T W BS EN 61262-2 : 1995 National foreword This British Standard has been prepared by Technical Committee HCC/72 and is the English language version of
6、 EN 61262-2 : 1994 Medical electrical equipment - Charactemstics of electro-optical X-ray image intens - Part 2 Determination of the conversion factor, published by the European Committee for Electrotechnical Standardization (CENELEC). It is identical with IEC 1262-2 : 1994 published by the Internat
7、ional Electrotechnical Commission (IEC). It supersedes BS 6252: 1982, which is withdrawn. Cross-references Publication referred to HD 501 S1 (IEC 788 : 1984) Additional information. The following print types are used in this standard. Requirements, with which compliance can be tested, and definition
8、s: Corresponding British Standard BS 6641 : 1985 Glossary of medical radiology terms in roman type. Explanations, advice, general statements, exceptions and references: in smaier type. %st procedures: in italic type Terms defined in clause 3 of this standard and in annex A: in SMALL c PITA IS. For t
9、he purposes of this British Standard, any references to IEC page numbers in the text should be ignored. Compliance with a British Standard does not of itself confer immunity from legal obiigations. I ii CENELEC EN*bL2b2-2 94 D 3404583 OL4OL7 656 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 6
10、1262-2 September 1994 ICs 11.040.50 Descriptors: Medical electrical equipment, image intensifier, X-ray, conversion factor Supersedes HD 512 S1 : 1989 English version Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers Part 2: Determination of the conversion fa
11、ctor (IEC 1262-2 : 1994) Appareils lectromdicaux - Caractristiques des intensificateurs lectro-optiques dimage radiologique Rntgenbildverstrkern Partie 2: Dtermination du facteur de Medizinische elektrische Gerte - Merkmale von elektronenoptischen Teil 2: Bestimmung des Konversionsfaktors conversion
12、 (IEC 1262-2 : 1994) (CE1 1262-2 : 1994) This European Standard was approved by CENELEC on 1994-07-05. CENELEC members are bound to comply with the CENKENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteratio
13、n. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by transl
14、ation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland) Ireland
15、, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 36,
16、 B-1050 Brussels O 1994 Copyright reserved to CENELEC members Ref. No. EN 61262-2 : 1994 E CENELEC EN*b12b2-2 94 3404583 Oh490h8 592 Page 2 EN 61262-2 : 1994 Foreword The text of document 62B(C0)113, as prepared by Sub-committee 62B: Diagnostic imaging equipment, of IEC %chnical Committee 62: Electr
17、ical equipment in medical practice, was submitted to the IEC-CENELEC parallel vote in January 1994. The reference document was approved by CENELEC as EN 61262-2 on 5 July 1994. This European Standard replaces HD 512 SI : 1989. The following dates were fixed: - latest date of publication of an identi
18、cal national standard (dp) 1995-07-01 - latest date of withdrawal of conflicting national standards (dow) 1995-07-01 For products which have complied with HD 512 S1 : 1989 before 1995-07-01, as shown by the manufacturer or by a certification body, this previous standard may continue to apply for pro
19、duction until 2000-07-01. Annexes designated normative are part of the body of the standard. Annexes designated informative are given only for information. In this standard, annexes A and B are informative and annex ZA is normative. CENELEC EN*bL262-2 94 9 3404583 OL49OLi 429 9 Page 3 EN 61262-2 : 1
20、994 CONTENTS Page 2 FOREWORD Clause 1 Scope . 4 2 Normative reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Terminology . 4 3.1 3.2 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21、. . . . . . . . . . Degree of requirements and reading instructions 4 5 . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Requirements 6 6 6 6 7 7 4.1 Test Set-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3 Input radiation . . . .
22、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4 TESTDEVICE 4.5 Measurement equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2 X-RAY IMAGE INTENSIFIER - Operating conditions . . . . . . . . . . . . . .
23、 . . . . . . . . . . . . . 5 Determination Of the CONVERSION FACTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5.1 Preparation . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5.2 Measurement . . . . . . . . .
24、. . . . . . . . . . . . . . . . . . . . . . . . . : . . . . . . . . . . . . . . . . 7 5.3 Corrections . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5.4 Determination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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