Criterion NDT ST-11® Eddy Current Instrument Criterion NDT ST-11® Eddy Current Instrument Print ST-11® - Criterion NDT Eddy Current Material Structure (Heat Treatment) Validation Instrument for In-Line Component Testing & Sorting. The Criterion NDT ST-11 is an eight-frequency test instrument designed to verify post-heat treatment material structure, case depth, and patterns. It also checks alloys, threads, assemblies, and ID/OD features, ensuring components meet specifications at full production line speed. Delivered with manual of operation for the desktop workstation test. Color touchscreen and a simplified menu structure provides an intuitive operating experience. Eight frequency testing helps to detect multiple types of product reject conditions. TCP/IP and Discrete Industrial I/O works with material handling systems’ PLC’s for easy integration. Also available with remote display ST-11: 8” x 13” x 16”: (Heat Treatment) Validation Instrument for In-Line Component Testing & Sorting. ST-11R: 15.5” x 7.1” x 3.4”: Remote Module Material Structure (Heat Treatment) Validation Instrument for In-Line Component Testing & Sorting. Contact us to discuss your application, requirements, available options and/or receive a quote. Request for information