Radiographic examination (RT)

Radiographic testing (RT) level 1+2

Radiographic testing (RT) is a standard volumetric method of non-destructive testing (NDT). At our Training center, after completing the training the candidate acquires:

  • general theoretical knowledge of the method,
  • specific knowledge related to the application of standards,
  • practical knowledge for applying the testing method according to the applicable standards for castings, forgings, welded joints and rolled products, with practical application.

The training is carried out at the NDT PRO d.o.o. Training center according to the EN ISO 9712 standard. The NDT PRO Training center ensures that a person who completes the training and passes the examination is qualified and certified to perform radiographic testing (RT) in accordance with the appropriate standards and specifications. We emphasize that the courses can also be adapted to the specific needs of clients. For radiographic testing, training is offered for Levels 1, 2 and 3 according to the EN ISO 9712 standard.

Level 1 – Personnel holding a first-degree qualification may carry out testing by individual non-destructive methods, based on written instructions and under the supervision of personnel holding a 2nd- or 3rd-degree qualification.

Level 2 – Personnel holding a second-degree qualification may perform analysis of results, prepare instructions, select testing methods and give instructions to personnel holding Level 1 or 2 qualifications.

Level 3 – Personnel holding a 3rd-degree qualification is responsible for the equipment, writes procedures, implements procedures, performs analysis of results and selection of the testing methods to be applied, and gives
instructions to the rest of the personnel.

According to the EN ISO 9712 standard, the duration of training for Radiographic testing (RT) is provided as follows: Level 1 – 72 hours, Level 2 – 80 hours, and Level 3 – 40 hours.

The minimum requirement relating to the necessary work experience that a candidate must possess in order to be entitled to apply for a certificate is 3 months for Level 1, 9 months for Level 2, and 18 months of work experience in Radiographic testing (RT) for Level 3. If a candidate attends training for Level 1 and Level 2, the minimum required work experience is 12 months.

The minimum requirements that a candidate must fulfill, relating to visual capabilities, are:

  • near reading – the candidate must be able to read Jeager 1 or Times New Roman 4.5 letters, or equivalent characters 1.6 mm high, from a minimum distance of 30 cm, with or without visual aids.
  • color discrimination (Ishiara).

Radiographic testing (RT) level 3

The condition for a person to attend training and take the examination for the Radiographic testing (RT) level 3 method is possession of a valid level 2 certificate in the same method (RT) and completed training and a passed basic examination (BASIC).

Responsibility and competence of a level 3 inspector:

  • competence to assess and interpret results on the basis of existing standards, rules and specifications,
  • possesses appropriate practical knowledge of the materials used, fabrication, processes and production technology in accordance with the selected NDT method, established NDT techniques and the establishment of acceptance criteria when they do not exist.
  • general knowledge of other NDT methods
  • assumes full responsibility for the testing equipment or the testing center and the personnel.
  • establishes, carries out reviews for corrections and technical correctness, and certifies NDT instructions and procedures,
  • interprets standards, rules, specifications and procedures,
  • defines specific NDT testing methods, procedures and instructions
  • conducts and supervises all activities at all levels,
  • manages NDT personnel at all levels.