EVOLUTE™ encoder readheads A selection of Renishaw EVOLUTE optical readheads for absolute encoder systems. Can’t find what you want? Please see the EVOLUTE series web pages. Refine by Absolute protocol BiSS 26 bit BiSS 32 bit Product Unit price Add to cart EVOLUTE™ readhead for linear encoders (26-bit BiSS C, 100 nm resolution)EL26BBB100F30A $982.00 EVOLUTE™ readhead for linear encoders (32-bit BiSS C, 100 nm resolution)EL32BBB100F30A $982.00 Shopping security Recall your cart