ATOM DX™ 20 μm pitch, rotary, cabled readhead (5 μm resolution, 0.5 m cable, 15-way D-type (alternative pin-out) termination, 10 MHz clocked output, and line driven alarm) for use with RCDM20 optical diameter ≥ 31.4 mm to < 42.4 mm | Renishaw Online Store