US Stock 2Axis / 3Axis DRO Display Digital Readout TTL Linear Glass Scale Milling 100-1000MM 1, Application : This kind of DRO is commonly fitted to machines, especially for metal working — lathes, cylindrical grinders, milling machines, surface grinders, boring mills and other machine tools — to allow the operator to work faster and with greater accuracy. 2, Basic Information : Supply Voltage range : AC 80V~260V; 50~60Hz，US Plug available Power consumption: 15VA Operating temperature: 0~45 degree centigrade Storage temperature: -30~70 degree centigrade Relative humidity: Less than 90% Readout allowable input signal: TTL square wave Allowable input signal frequebcy: Less than 5M Hz Max resolution of digital display length: 5µm (0.005mm/0.0002″) Min resolution of digital display angle :0.0001/pulse Digital Readout Dimensions:295*170*65mm (11.6″*6.7″*2.56″) Linear Scale Interface: DB9(RS232) Display Advantage: Having a good capacity of resisting disturbance,durable keyboard,easy to change SDM 200 sets memory, power-off memory for 10years , circumference drilling, oblique line drilling, 1/2 centering PCD function R function Smooth R function The simple R function Chambering (applicable to: Milling machine,Boring machine) Tool conpensation (for lathe) Machining of oblique plane Also a calculator is equipped for more convenient usage 3, Benefit : (1) Digital display to eliminate backlash and improve precision (2) Advanced trigonometric calculation so to accomplish a perfect project (3) 11.6”wide display to offer excellent long-distance viewing (4) Digital readout kit can avoid wasting weeks to check machine precision (5) Lifetime free technical support, 2Years warranty, 30-day return (6) 1pc digital readout(2Axis/3Axis) with scales(upon your options) , 5μm (0.0002″) resolution (at 45ºC) 4, Package Included : 1pc Digital Readout or 1pc linear scale (100……1000mm for choose) Mounting accessories Note: Due to the shipping limits, the Digital Readout and Linear Scale will be shipped seperately, If you buy both of dro and scales but only received one of them , please be a little patient , the other one must be still on the way to you , also you can contact customer service to get the updates , thank you for understanding . Questions & Answers : Q1 : are the length 100, 150, 200…. 1500mm travel length or total ? Answer : all are travel length Q2: if i need 250mm , 1000mm scales with 2axis digital readout, how should i do ? Answer : You can select the 250MM (10″), 1000MM (40″) and 2Axis Digital Readout add in your cart , then make the payment together via paypal, we will ship them in one kit to you . Q3 : if i need a scale like 255mm , can you offer it ? Answer : 250mm is enough , its measuring range can reach up to 270mm，so you can use if you need to measure 255mm. Q4： How to switch Mill type to Lathe type ? Answer : Please see the following video . (press 6 times after DRO powers on)