View all encoder readheads A selection of Renishaw readheads for absolute and incremental encoder systems. Can’t see what you’re looking for? Please see Renishaw’s full range of encoder systems. Refine by Motion Linear Partial arc Rotary Encoder type Absolute Incremental analogue 1 Vpp Incremental digital RS422 Readhead series EVOLUTE RESOLUTE ATOM ATOM DX VIONiC TONiC QUANTiC Scale compatibility RESM20 RESM40 RTLA30 RTLA50 RKLF20 RTLF20 RKLF40 RTLF40 RKLC20 RTLC20 RTLC40 RKLC40 Resolution 10 µm 5 µm 1 µm 0.5 µm 0.2 µm 0.1 µm 50 nm 10 nm Readhead termination 9-way D-type connector 15-way D-type connector Top exit 10-way JST connector Unterminated flying lead Interboard connector << Previous1234 Product Unit price Add to cart VIONiC™ readhead for rotary encoder diameters < 60 mm (1 µm resolution, 10 MHz clocked output)V2CLX30D10F $668.00 ATOM DX™ 40 μm pitch, linear and partial arc, cabled readhead (50 nm resolution, 1.5 m cable, 9-way D-type termination, 20 MHz clocked output, and 3-state alarm) for use with RTLF40 or RKLF40 scaleA4A0H15A20F $616.00 ATOM DX™ 40 μm pitch, linear and partial arc, cabled readhead (0.5 μm resolution, 1.5 m cable, 9-way D-type termination, 10 MHz clocked output, and 3-state alarm) for use with RTLF40 or RKLF40 scaleA4A0Z15A10F $537.00 QUANTiC™ linear readhead (Digital 1 µm resolution, 3 m cable, 15-way D-type plug (standard pin-out) termination, 10 MHz clocked output, customer selectable reference mark, and 3-state alarm) for use wQ4BCX30D10E $614.00 QUANTiC™ linear readhead (Digital 0.1 µm resolution, 3 m cable, 15-way D-type plug (standard pin-out) termination, 20 MHz clocked output, customer selectable reference mark, and 3-state alarm) for useQ4BCY30D20E $847.00 TONiC™ rotary readhead (1.5 m cable with interboard connector, all reference marks are output) for use with RESM20 / REXM20 < Ø60 mm ringsT2021-15A $491.00 VIONiC™ readhead for linear encoders (10 nm resolution, 20 MHz clocked output)V2BCO30D20E $1,081.00 VIONiC™ readhead for rotary encoder diameters < 60 mm (0.1 µm resolution, 20 MHz clocked output)V2CLY30D20F $922.00 << Previous1234 Shopping security Recall your cart