Series 575 - Type IDUA low cost model that provides a simple digital electronic indicator for workshop use as well as OEM applications. A compact design incorporating sealed control switches to provide maximum protection from oil, dirt and dust. Zero setting and data output. Inch/metric conversion and error indicator for spindle overspeed, direction change.Max. response speed: 1600mm/second.Power supply: battery 1x SR44 (SR-44L/1BP).Resolution: 0005"/0.01mm.Accuracy: 0.02mm.