The Polycarbonate Multiwall Analyzer is a fully automatic, in-line thickness inspection system designed specifically for multi-wall (hollow) sheet manufacturers. The system is the first of its kind and the only one capable of measuring wall thickness of all walls on the sheet automatically on the line.

Many multi-wall manufacturers still measure wall thickness manually using a micrometer on a sample taken at the end of the production line. Because of the relatively low production speed, the long production line length and the time needed to take the actual measurements, the micrometer measurement done at any given time represents the condition of the line 10 minutes to 1 hour ago, depending on the line speed. The measurement is also inaccurate as it involves applying the micrometer force manually on the soft plastic material.