Penetrameter (IQI - Image Quality Indicator)
A standardized test piece with calibrated holes or wires placed on radiographs to assess image quality and verify that the radiographic system can detect specified defects. IQIs ensure that radiographs meet sensitivity requirements. The most common penetrameters are wire-type (various wire diameters) and hole-type (drilled holes). Wire penetrameters are the international standard for assessing radiographic sensitivity in accordance with ISO 11699 and ASTM standards.
A standardized test piece with calibrated holes or wires placed on radiographs to assess image quality and verify that the radiographic system can detect specified defects. IQIs ensure that radiographs meet sensitivity requirements. The most common penetrameters are wire-type (various wire diameters) and hole-type (drilled holes). Wire penetrameters are the international standard for assessing radiographic sensitivity in accordance with ISO 11699 and ASTM standards.
Equipment Selection and Use
Proper selection and maintenance of penetrameter (iqi - image quality indicator) is critical for successful NDT inspections. Equipment must be calibrated and verified per applicable standards.
Maintenance and Verification
Regular maintenance and calibration verification ensure reliable equipment performance. Equipment that falls out of calibration can produce unreliable results.
Best Practices
- Always follow applicable NDT standards and procedures
- Use properly calibrated and maintained equipment
- Ensure personnel are properly trained and certified
- Document inspection procedures and results completely
- Keep current with industry standards and best practices
Type
Equipment
Equipment and instruments used in NDT
Need Professional NDT Services?
Get a Quote