Diameter inspection of small holes in multi-stage cascade impactor nozzles.
It consists of a high-resolution CCD color camera, continuous zoom lens, color display, precision scale, motion control system, 2D data measurement software, high-precision worktable and other precision mechanical parts, which are used for dimension inspection of all stages nozzles in multi-stage cascade impactor.
Measurement accuracy is ±0.0025mm with good repeatability.
High measurement efficiency.