ATOM DX™ 40 μm pitch, rotary, cabled readhead (20 nm resolution, 2 m cable, 15-way D-type (alternative pin-out) termination, 8 MHz clocked output, and 3-state alarm) for use with RCDM40 optical diameter ≥ 15.2 mm to < 19.7 mm | Renishaw Online Store