ATOM DX™ 40 μm pitch, rotary, cabled readhead (10 μm resolution, 0.2 m cable, 15-way D-type (alternative pin-out) termination, 4 MHz clocked output, and 3-state alarm) for use with RCDM40 optical diameter ≥ 19.7 mm to < 30.6 mm | Renishaw Online Store