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Pro-RF 21 Steps


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A 21 step aluminium wedge for determination of the dose reproducibility and sensitometric curve shape, speed and mid-gradient of X-Ray screen-film radiography systems.

Technical data (can be modified to customer specifications):

  • dimensions: 231 x 110 x 31.5 mm
  • 21 steps with a width of 11 mm
  • 1.5 mm graduation per step
  • made of a highest purity aluminium
  • copper numbers marking each step
  • other sizes of step wedges upon request

Product features:

  • complies with:
    – IEC 61223-3-1
  • CE certified
  • the manual provides detailed guidelines for carrying out each test, results assessment and registration
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