Tangram Electronic Engineering is a specialized supplier of world-class specialist electronic components and sub-systems in the Chinese industrial, medical, scientific, aerospace and defense sectors. Founded by former-EEV team of Cable & Wireless (HK), Tangram professional team has been committed to the supply of the most reliable high-tech products since early 1990s. The Video Gauge is a non-contact, video based instrument. It measures 2D displacement and strain on materials, components and structures. The system works with virtually all materials including composites, metals, plastics, rubbers, biological & food samples.