ATOM DX™ 20 μm pitch, rotary, cabled readhead (0.1 μm resolution, 2 m cable, 15-way D-type (standard pin-out) termination, 8 MHz clocked output, and line driven alarm) for use with RCDM20 optical diameter ≥ 31.4 mm to < 42.4 mm | Renishaw Online Store