How often should ultrasonic testing equipment be calibrated?

The frequency of calibration for ultrasonic testing equipment is essential to ensure accurate and reliable results. Following the manufacturer's recommendations guarantees that the equipment is maintained in accordance with the specific standards and requirements established by the manufacturer, which are typically based on extensive testing and quality assurance processes.

Calibration ensures that the ultrasonic equipment continues to operate within its specified performance characteristics, and companies often incorporate these recommendations into their quality control programs. This systematic approach enables testers to confidently detect, characterize, and quantify flaws in materials, leading to a higher level of safety and reliability in various applications.

While some may think calibration is only necessary in specific conditions, such as after detecting a flaw or right before use, these practices do not provide the consistent assurance needed for reliable results across all testing scenarios. Regular calibration based on the manufacturer's guidelines allows for optimal performance and adherence to industry standards.