1.Measuring length ranges from 50mm to 3000mm. 2.Resolution:1um,5um,10um ... 5um 3.Power supply:+5v,+12v,+24v,36V Linear scale when used in conjunction with our counter is ... company is the earliest national professinal manufacturer of linear scale in china and offers a comprehensive range of products ... ,We are able to quote on special scale on request.MODEL: DC10 (50mm—1000mm,5um)DC11 ...