TS EN 1330-10

TS EN 1330-10 is a terminology standard in non-destructive testing that gathers the terms used in visual testing. As a vocabulary document, it focuses on language rather than on a test procedure: its purpose is to align the meaning of the concepts used when inspecting components or surfaces by visual examination. Visual testing is one of the most fundamental NDT approaches, relying on direct observation or suitable optical aids.

What visual testing terminology is used for

According to the stated scope, this standard defines the terms used in visual testing. In general technical practice, that means helping users speak consistently about concepts such as surface indications, accessibility, viewing conditions, illumination, magnification, and the visibility of the item under examination. Visual testing often serves as an initial screening step in NDT work, and the observations made at this stage frequently guide further evaluation by other methods.

Why a terminology standard matters

• Supports consistent use of terms across laboratory, field, and quality-assurance settings.
• Helps distinguish visual assessment from measurement, inspection, and interpretation.
• Improves clarity in NDT reporting and technical communication.
• Provides a common reference for understanding the role of optical aids in visual testing.