BS IEC 61223-2.11 : 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 procedure
    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 RADIATION input to the IMAGE RECEPTION AREA
    5.3 Geometric characteristics
    5.4 Resolution of high-contrast detail
    5.5 Variation in optical density throughout a
          RADIOGRAM
6 Statement of compliance
Figure 1 - Example of a film marker TEST DEVICE
Figure 2 - Example of a TEST DEVICE for a perpendicular
           position
Figure 3 - Example of an alignment TEST DEVICE
Figure 4 - Examples of a high-contrast TEST DEVICE
Figure 5 - Arrangements for testing geometric conditions
Figure 6 - Geometric coincidences
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 the action to be taken
Annex D (normative) PHANTOMS and TEST DEVICES

Applies to components of X-RAY EQUIPMENT which influence the propagation of, generate and detect X-RADIATION, and present, process and store radiographic information in RADIOLOGICAL INSTALLATIONS with diagnostic X-ray systems by use of RADIOGRAPHIC FILM in DIRECT RADIOGRAPHY. Designed to apply to equipment for general direct radiography without digital imaging devices.