RELA absolute high accuracy ZeroMet™ scale is compatible with Renishaw’s revolutionary, true absolute optical encoder system, RESOLUTE™.RELA offers certified ±1 µm accuracy up to 1 metre combined with low thermal expansion ZeroMet to suit the most demanding precision applications. The high performance of the scale is augmented by Renishaw’s RESOLUTE absolute optical readhead offering ±40 nm sub-divisional error, resolution to 1 nm, low noise (jitter) and a maximum speed of 100 m/s.RELA provides good dirt immunity and ease of set-up, whilst offering levels of performance previously only available from delicate fine pitch systems.