0-14 In/0-350mm .00005 In/.0001 In/.0002 In/0.001mm/0.005mm QM-Height High Precision ABSOLUTE Digimatic Height Gage With 120V AC Adapter With SPC Data Output Newly developed high accuracy and high-resolution ABSOLUTE linear encoder for Possible to measure inside/outside diameter via unique process (detect the circle apex and process by tracing measurement). With SPC and RS-232C output.