noun
scanning surface; test surface
Technical term used in non-destructive testing and inspection contexts, referring to the surface being examined for defects.
超音波探傷では、探傷面に接触媒質を塗布する。
In ultrasonic testing, a couplant is applied to the scanning surface.
探傷面の状態が検査結果に大きく影響する。
The condition of the test surface greatly affects the inspection results.