Why choose our FASTTOBUY 2 Axis Digital Readout DRO? FASTTOBUY brand new 2 Axis DRO Digital Readout is an instrument which can measure position of work piece when processing,The sensor uses a glass precision metrology grating as the measurement reference, characterized with high scanning frequency, quick graphic machining and low measuring error.Can be mounted on almost any surface, offering the user precise linear measurment capabilities. ●Shipping list● 1 PC 2 Axis digital readout display 2 PCS Linear Scale 1PC Instruction Manual (English) Accessories:scale cover, L connecting bracket, scale cover, screw bag and so on. ●Specifications of digital readout● Digital Readout Displayer: 2 Axis Distance of Travel(L0): 50~1500mm (please choose the correct linear scale) Resolution: 5um Supply Voltage range: AC 80V~260V; 50~60Hz Power consumption:15VA Operating temperature: 0~45 degree centigrade Storage temperature: -30~70 degree centigrade Relative humidity:Less than 90% Readout allowable input signa:TTL square wave Allowable input signal frequency: Less than 5M Hz Max resolution of digital display length: 5um Min resolution of digital display angle:0.0001/pulse Linear Scale:DB9(RS232) ●Basic Function● 8 bit LED High-definition nixie tube mm/inch mode ABS/INC coordinate conversion zero clearing, reset liner error compensation center of 1/2, R arc function(RAC) vibration filtering, digital filtering sleep mode, divide circle evenly (PCD) 200 sets sub datum function drilling of oblique line taper measurement ●Special Functions Linear drilling PCD function Chambering Tool conpensation Machining of oblique plane Calculator