ATOM DX™ 40 μm pitch, rotary, cabled readhead (5 μm resolution, 1.5 m cable, 15-way D-type (alternative pin-out) termination, 12 MHz clocked output, and line driven alarm) for use with RCDM40 optical diameter ≥ 19.7 mm to < 30.6 mm | Renishaw Online Store