• I.S. EN 61262-7:1997

    Current The latest, up-to-date edition.

    MEDICAL ELECTRICAL EQUIPMENT - CHARACTERISTICS OF ELECTRO-OPTICAL X-RAY IMAGE INTENSIFIERS - PART 7: DETERMINATION OF THE MODULATION TRANSFER FUNCTION

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-1997

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

    Add To Cart

    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terminology
      3.1 Definitions
      3.2 Degree of requirements and reading instructions
    4 Requirements
      4.1 Test set-up
      4.2 X-RAY IMAGE INTENSIFIER - Operating conditions
      4.3 Input RADIATION
      4.4 Test device
      4.5 Measurement equipment
    5 Determination of the MODULATION TRANSFER FUNCTION
      5.1 Preparation
      5.2 Measurement
      5.3 Corrections
      5.4 Determination of the LOW-FREQUENCY DROP
      5.5 Overall accuracy of determination
    6 Presentation of the MODULATION TRANSFER FUNCTION
    7 Statement of compliance
    Annexes
    A (informative) Terminology - Index of defined terms
    B (informative) Construction of the TEST DEVICE
    C (informative) Determination of the MTF[A] of the MTF ANALYSER
    D (informative) Bibliography
    ZA (normative) Normative references to international
                     publications with their corresponding European
                     Publications

    Abstract - (Show below) - (Hide below)

    Applicable to ELECTRO-OPTICAL X-RAY IMAGE INTENSIFIERS for medical use, as components of diagnostic X-RAY EQUIPMENT.

    General Product Information - (Show below) - (Hide below)

    Development Note For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 61262-4:1994 Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers - Part 4: Determination of the image distortion
    IEC 60336:2005 Medical electrical equipment - X-ray tube assemblies for medical diagnosis - Characteristics of focal spots
    IEC 61262-4:1994 Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers - Part 4: Determination of the image distortion
    IEC TR 60788:2004 Medical electrical equipment - Glossary of defined terms
    ISO 11421:1997 Optics and optical instruments — Accuracy of optical transfer function (OTF) measurement
    EN 60336:2005 Medical electrical equipment - X-ray tube assemblies for medical diagnosis - Characteristics of focal spots
    HD 501 : 200S1 MEDICAL RADIOLOGY - TERMINOLOGY
    ISO 9334:2007 Optics and photonics Optical transfer function Definitions and mathematical relationships
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective