Hexagon metrology [india] supplies sigma, a state-of-the-art portable cmm from romel available in 9 different lengths up to 5200 mm. Sigma is the ideal tool for quality inspection, reverse engineering, non-contact tube measurement and even laser scanning with the revolutionary romer rotary laser scanner, g-scan rx2. It features very high accuracy, ethernet communication, high reliability thanks to a strong and unique mechanical design, carbon fibre arms for more lightness and thermal stability; and patented infinite rotation. Other new features: integrates wbp [wireless battery pack], a wireless communication device with a long-life battery for maximum portability no more cables connecting the arm to the computer; compatible with pc-dmis and the romer suite of software products - g-pad, g- tube, g-scan light; available for measuring lengths 1800, 2200, 2500, 2800, 3000, 3200, 3600, 4600, and 5200 mm; g-scan rx2, the latest scanning probe from romer, is used with sigma 6-axis measuring arms; vps extending arm reach to very large volumes, an exclusive romer solution for the measurement of large and very large components. A grid of electronic sensors is sunk into a concrete, walkable floor and properly mapped.