H-24HMitutoyo operates a policy of continuous improvement that aims to provide the customer with the benet of the latest technological advances.Therefore the company reserves the right to change any or all aspects of any product specication without notice.•The maximum response speed is 5000mm/s. (When resolution is 1μm and the minimum edge interval is 125ns)•Ultra-compact detector control unit allows use in applications where space-saving design is important.•The maximum effective measurement length of 3000mm enables use on large machines.•Simultaneous output of 2-phase square wave signals (maximum resolution: 0.2μm) and 2-phase sinusoidal wave signals (main signal: 40μm) is available.•LED display function for indicating signal errors.•Equipped with scale reference point output.Linear Scales ST422SERIES 579 — Compact TypeRefer to the NC Linear Scale Systems (Catalog No.E13005) for more details.An inspection certicate is supplied as standard. Refer to page X for details.SPECIFICATIONSModelST422Detection methodReflective photoelectlic linear encoderOutput signal2-phase sinusoidal signals, 2-phase square wave signalsMain scale grating pitch40µmSignal output pitch40µmEffective range10 to 3000mmAccuracy (20°C)*1±1μm, ±2μm, ±3μm(/m)Resolution0.2μm/ 0.5μm/ 1μm/ 5μm (Selectable with internal switch)Scale reference pointCenter point (10 to 75mm)/ 50mm pitch (100mm or more)Maximum response speed5000mm/s (varies depending on the setting)Minimum edge-to-edge interval125ns/ 250ns/ 500ns/ 1μs (selectable with internal switch)Operating temperature/ humidity range 0 to 40°C, RH 20 to 80% (no condensation)Storage temperature/ humidity range–20 to 60°C, RH 20 to 80% (no condensation)Head cable length1m*1:Effective rangeAccuracy300mm or less±1μm500mm or less±2μm1000mm or less±3µm3000mm or less±3μm/m


page 513