... :1um,5um,0.1um,0.2um,0.5um 3.digital readout:2M,3M,2G,3E,2L,3L linear scaleMODEL:DC10/ ... 0.010mm)Optical grating measurement systerm:Transmission infrared optical measurement system,infrared wave length:880mmResolution :1um,5umMaximum working speed:20m ... has reliable performance & is convenient for installation.4)Glass precision measuring grating is adopted for the Linear Encoder as measuring benchmark ...