EN 13068-2:1999

Overview

EN 13068-2:1999 - "Non-destructive testing - Radioscopic testing - Part 2: Check of long term stability of imaging devices" is a CEN standard that provides guidance for on‑site control of radioscopic systems. It covers inspections where the image is presented on a display unit (including systems with image processing) and where radiation sources are X‑rays or gamma rays. The standard establishes simple, operator‑performable tests to assure a constant level of inspection quality over time.

Key topics and requirements

• Scope of application
  • Applies to radioscopic testing systems with display units and image processing.
  • Covers X‑ray and gamma‑ray based imaging devices used in non‑destructive testing (NDT).
• Long‑term stability checks
  • Procedures aim to verify that the imaging system maintains a consistent response and image quality over time.
  • Tests are designed to be repeatable and easily carried out by the system operators.
• Use of image quality indicators
  • Tests are based on input signals from defined image quality indicators (IQIs) or test objects.
  • The standard mandates that the system response measurements be performed using the same equipment installed in the particular location-ensuring site‑specific validation.
• Operator usability
  • Emphasis on simple, routine checks rather than complex laboratory measurements so that operators can perform frequent quality controls.
• Quality assurance objective
  • Ensures a constant level of inspection quality to reduce the risk of false accept/reject decisions in radioscopic NDT.

Practical applications

• Routine stability testing of industrial radioscopic inspection lines (weld inspection, casting inspection, assembly checks).
• Periodic on‑site quality assurance in plants using radioscopy for safety‑critical components.
• Pre‑shift or scheduled checks by NDT technicians and radiographers to confirm imaging performance.
• Support for maintenance planning and calibration intervals by tracking long‑term drift in image response.
• Useful for manufacturers, service engineers, and quality managers responsible for NDT system performance and compliance.

Who should use this standard

• NDT technicians and radiographers performing radioscopic inspections.
• Quality assurance and production engineers in aerospace, automotive, power generation, and heavy industry.
• Equipment manufacturers and service providers offering radioscopic imaging systems.
• Compliance officers and auditors referencing NDT standards and inspection traceability.

Related standards

• Part of the EN 13068 suite (other parts address additional radioscopic testing topics).
• National adoptions (e.g., SIST EN 13068-2:2000) and other NDT standards may be referenced for comprehensive quality systems.

Keywords: EN 13068-2:1999, radioscopic testing, non-destructive testing, imaging devices, long term stability, image quality indicators, X‑ray, gamma ray, NDT.