1:measure length from 50-3000mm(2--118inch) 2:resolution:1um,5um0.1u,0.5u etc 3:ISO9001:2008,CE,ROHS 4:manufacture,fair ... 260V/50HZ-60HZ2)Power dissipation: 20VA3)Coordinate number: 1/2/34)Display: 7 bit display with signed5)Times frequency: 4X6)Readout ... 0.1um9)Operating keyboard: light touch buttons10)Linear scale Grating space: 0.04mm,0.02mm, 0.01mm,power supply is +5V.the difference between two and ...