MEDICAL ELECTRICAL EQUIPMENT - CHARACTERISTICS OF ELECTRO-OPTICAL X-RAY IMAGE INTENSIFIERS - PART 6: DETERMINATION OF THE CONTRAST RATIO AND VEILING GLARE INDEX
International Electrotechnical Committee
Foreword
Introduction
Clause
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 CONTRAST RATIO and the VEILING
GLARE INDEX
5.1 Preparation
5.2 Measurement
5.3 Corrections
5.4 Determination
6 Presentation of the CONTRAST RATIO and the VEILING
GLARE INDEX
7 Statement of compliance
Annexes
A Terminology - Index of terms
B Determination of a correction for photometer veiling
glare
Applies to electro-optical X-ray image intensifiers for medical use, as components of diagnostic X-ray equipment. Describes a method of determining the contrast ratio (CR) and the veiling glare index (VGI) of electro-optical X-ray image intensifiers.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 62 |
