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BS EN 61262-5:1995

BS EN 61262-5:1995

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Characteristics of electro-optical X-ray image intensifiers for medical electrical equipment. Determination of the detective quantum efficiency

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

04-15-1995

Publisher

British Standards Institution

Committees responsible
National foreword
Foreword
Introduction
1. Scope
2. Normative reference
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 DEFECTIVE QUANTUM EFFICIENCY
5.1 Preparation
5.2 Measurement
5.3 Correction
5.4 Determination
6. Presentation of the DETECTIVE QUANTUM EFFICIENCY
7. Statement of compliance
Figure 1 - Geometrical relationship of RADIATION SOURCE
           and INPUT APERTURE
Annexes
A. Terminology - Index of terms
B. Representative test set-up
C. Representative scintillation pulse-height spectra
D. Bibliography
ZA. Other international publications quoted in this
     standard with the references of the relevant
     European publications

Describes a method of determining the Detective Quantum Efficiency (DQE) of x-ray image intensifiers by analysis of the single gamma-ray photon scintillation pulse-height spectrum. Applies to electro-optical x-ray image intensifiers for medical use, as components of diagnostic x-ray equipment. Also gives detailed definitions and annexes.

Committee
CH/62/2
DevelopmentNote
Also numbered as IEC 61262-5 Supersedes 94/501345 DC (11/2005)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Current
Supersedes

This International Standard applies to electro-optical X-ray image intensifier for medical use, as components of diagnostic X-ray equipment. This International Standard describes a method of determining the detective quantum efficiency (DQE) of X-ray image intensifiers by analysis of the single gamma-ray photon scintillation pulse-height spectrum. The method of this standard applies only to electro-optical X-ray image intensifiers having output radiance decay rates approximately equal to or faster than that of a P-20 phosphor.

Standards Relationship
NF EN 61262-5 : 1994 Identical
DIN EN 61262-5:1995-09 Identical
I.S. EN 61262-5:1995 Identical
SN EN 61262-5 : 1994 Identical
UNE-EN 61262-5:1996 Identical
NBN EN 61262-5 : 1995 Identical
EN 61262-5:1994 Identical

BS 6641:1985 Glossary of medical radiology terms

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Hardcopy - English
PDF - English
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