Manufacturer: Sony   Model: BS78 - N, NS, R, RS   Travel: 10mm to 420mm   Accuracy: NS & RS high accuracy models   +/-0.03µm (10mm); +/-0.04µm (40mm); +/-0.1µm (70-120mm)   +/-0.18µm (170-200mm); +/-0.25µm (270mm);   +/- 0.34µm (320mm); +/- 0.39µm (370mm); +/- 0.44µm (420mm)   Resolution: 8.62 to 0.28nm (with BD15), 100 to 5nm (with BD95)   Reference points: One, R & RS models only   Measuring system: Diffraction grating scanning (hologram)   Max response speed: 100 to 400mm/sec depending on detector model   Protection design grade: Exposed scale   Signal pitch: 0.1379µm   Cable length: 3m   Output type: Via interface (see below)

The BS78 is the latest series of ultra-high accuracy Sony Laserscales. Operates on the principle of a laser hologram diffraction grating and semiconductor laser reading head. Compact profile for simplified installation. Non contact measuring system for superior resolution and repeatability. Unaffected by variations in temperature and air pressure.   Interfaces: Sony BD15 interface detector Sony BD60 interface detector Sony BD95 interface detector