ATOM DX™ 20 μm pitch, rotary and linear, cabled readhead (2.5 nm resolution, 2 m cable, 15-way D-type (alternative pin-out) termination, 8 MHz clocked output, and line driven alarm) for use with RCDM20 optical diameter ≥ 77 mm or RCLC20 glass spar scale | Renishaw Online Store