1 manufacturer specializes in linear scale & dro 2 ODM & OEM. 3 various models, thickness and dimensions 4 has a long history BIGA measuring linear scale for lather milling grinder specifications of linear scale1. Bar pitch: 0.02mm(25 line pairs/mm), 0.04mm (25 line pairs/mm)2. Resolution: 0.0005mm, 0.001mm, 0.005mm, 0.01mm3 Output signal: (1) TTL square wave (2) HTL square wave(12v,15v,24v) (3) ...