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 linear readhead (BiSS 26 bit, 100 nm resolution, 3 m cable, 9 way D-type connector, standard cable outlet) for use with RTLA50 and RTLA50-S scalesEL26BBB100F30A $1,080.00 EVOLUTE linear readhead (BiSS 32 bit, 100 nm resolution, 3 m cable, 9 way D-type connector, standard cable outlet) for use with RTLA50 and RTLA50-S scalesEL32BBB100F30A $1,080.00 Shopping security Recall your cart