... linear scale and rotary encoderadvantage:1,the high precision digital readout is specialization design,elegant appearance ,high speed of numeation,multy function2,Aluminum ally ... whether the lathe and the digital readout landing well 2.the lathe has a low precision 3.The running speed is ... scale is not up to standard.low precision 5.The resolution of the digital readout does not agree with the linear ...