4Axis DRO RPM LCD Digital Readout, Display, 7” Screen, Muti-Function Multi-Language for Linear Scale Magnetic Scale Rotary Encoder Lathe Milling Bridgeport Knee Mill Drill Machine. 4 Axis with RPM. 11.81 x 7.09 x 2.76 inches; 4.98 Pounds. 0.1, 0.2, 0.5, 1, 2, 2.5, 5, 10, 50 micrometers. 0.1/0.2/0.5/1/2/2.5/5/10/50um. 1 DRO LCD digital readout. All of installation accessory. Please leave message for the mounting arm, we have 2 types, one is used for lathe, another one is used for milling machine. 3Simple R Function. 4Smooth R Function. 5Rectangle Chambering Function. 6Taper Measuring Function7. 200 sets of Tools8. Radius/Diameter Conversion (lathes)9. 10Digital Filtering Function. 11Value Combination of 2 axis in the same direction. 13EDM Function (customized, cost extra). 2,3,4,5 Axis DRO, 7 LCD Multi-function Digital Readout Display, D80 series. 2 200 sets of SDM Coordinate. 4 Ref Ruler Storage Function. 5Display in Metric / INCH. 7Power Off Memory Function. 12 Rotational Speed Measurement(Customized, Cost extra). 13Counting Direction Selection. 15 RS232 (customized, cost extra). Complete function, simple operation. Highly integrated, simple electric circuit design, stable work. Over 100,000 On-Off test. Unique misoperation recovery function. Multiple drawing save function. Compatible linear scale, magnetic scale & rotary encoder. 7? True color LCD screen, easy to recognizing. Saving the drawing function, the DRO allows to save the drawings into the system which makes the machining to be much more convenient. Special previewing the drawing function, after setting well the parameters, the DRO will display the machined well effect which makes the operating be more visual. Displaying the tool’s current position function, during themachining, the system will display the tool’s current position according to the drawing which makes the machining be much more easier. Help function, during the machining, if there is any doubt, pressing the help button will help you to solve. Custom settings for the shortcut keys, operator can set the shortcut keys according to his operatinghobits. Multi-languagesupport:English, German, Spanish, Portuguese, Italian, Polish, Swedish and Dutch. 7 inch LCD DRO Digital display, Good vision, Easy to operation. Shop with confidence – Thousands of happy customers trust us for quality products and fast service!