BS IEC 61223-2.9 : 1999

FOREWORD
1 Scope and object
      1.1 Scope
      1.2 Object
2 Normative references
3 Terminology
      3.1 Degree of requirements
      3.2 Use of terms
4 General aspects of CONSTANCY TESTS
      4.1 General conditions affecting test procedures
      4.2 Establishment of BASELINE VALUES
      4.3 Frequency of CONSTANCY TESTS
      4.4 Identification of equipment, instrumentation
             and test conditions
      4.5 Measured functional parameters
5 Performance tests
      5.1 RADIATION output from the X-RAY SOURCE ASSEMBLY
      5.2 Grey-scale image and AUTOMATIC INTENSITY CONTROL
      5.3 Threshold contrast for detail of large size
      5.4 Limiting resolution for detail of high contrast
             for X-RADIATION
      5.5 Frequency of CONSTANCY TESTS
6 Statement of compliance
Annex A (normative) Terminology - Index of defined terms
Annex B (informative) Example of a form for the standardized
                      test report
Annex C (informative) Guidance on action to be taken
Annex D (normative) PHANTOMS and TEST DEVICES

Applicable to components of X-RAY EQUIPMENT which generate, influence the propagation of, generate and detect X-RADIATION and present,process and store diagnostic X-ray images in RADIOLOGICAL INSTALLATIONS with diagnostic X-ray systems for INDIRECT RADIOSCOPY and INDIRECT RADIOGRAPHY using X-RAY IMAGE INTENSIFIERS along with analogue and/or digital storage systems; cut film cameras; cine cameras; closed circuit television display systems. applies to equipment for indirect radioscopy and indirect radiography without digital imaging devices.