... , thickness and demensions 4 high precision BiGa high precision electronic linear scale Specifications:1, Bar pitch: 0.02mm (50 line pairs/mm), 0.04mm (25 line ... pairs/mm)2, Resolution: 0.0005mm, 0.001mm, 0.005mm, 0.01mm3, Accuracy: +-0.003mm,+-0.005mm, +-0.008mm, +-0.01mm (20 °C 1000mm)4, Reference mark ...