Optical encoders scale range

Scale name Graduation accuracy (depending on ring diameter) Scale pitch Ring diameter Readhead compatilibity RCDM ±0.5 µm 20 µm/40 µm 17 to 108 mm  ATOM

  Scale name Installed accuracy (depending on ring diameter) Scale pitch Ring diameter Readhead compatilibity REXM/REXT (≥100 mm diameter) ±1 arc second (75 mm diameter) ±1.5 arc seconds (≤57 mm diameter) ±2 arc seconds 20 µm 52 to 417 mm…

Scale name Graduation accuracy (depending on ring diameter) Scale pitch Ring diameter Readhead compatilibity RESR  ±3.97 to ±0.38 arc seconds 20 µm/40 µm 52 to 550 mm RGH20, RGH20F, RGH40 RESM/REST/RESD As above 20 µm As above VIONiC, VIONiCplus, TONiC, TONiC UHV, SiGNUM RESA As above…

Scale name Accuracy Scale pitch Thermal expansion coefficient at 20 °C Max length of scale Readhead compatilibity RSLM/RSLE/RSLC ±1.5 µm up to 1 m, ±2.25 µm up to 2 m, ±3 µm up to 3 m, ±4 µm up to 5…

Scale name Accuracy Scale pitch Thermal expansion coefficient at 20 °C Max length of scale Readhead compatilibity RELM/RELE ±1 µm for up to 1 m, then ±1 µm/m 20 µm 0.75 ±0.35 µm/m/°C 1.5 m VIONiC, VIONiCplus, TONiC, TONiC UHV, SiGNUM RELA As above 30 µm…

Scale name Accuracy Scale pitch Thermal expansion coefficient at 20 °C Max length of scale Readhead compatilibity RTLC with optional FASTRACK ±5 µm/m 20 µm 10.1 ±0.2 µm/m/°C 10 m VIONiC, VIONiCplus,  TONiC, TONiC UHV RTLA with optional FASTRACK ±5 µm/m 30 µm…

  Scale name Accuracy Scale pitch Thermal expansion coefficient at 20 °C Max length of scale Readhead compatilibity RTLF 40 µm (high accuracy): ±5 µm/m 40 μm: ±15 μm/m 20 μm: ±5 μm/m 20 µm/40 µm 10.1 ±0.2 µm/m/°C 10 m…

Scale name Accuracy Scale pitch Thermal expansion coefficient Max length of scale Readhead compatilibity RCLC ±3 µm 20 µm/40 µm ~8 µm/m/°C 130 mm ATOM RGS40-G ±4.2 µm/m 40 µm As above 1.01 m RGH40

Scale name Accuracy Scale pitch Thermal expansion coefficient Max length of scale Readhead compatilibity RGS ±15 µm/m 20 µm/40 µm Thermally mastered to substrate by use of end clamps For length >50 m, please contact Renishaw RGH22, RGH24, RGH25F, RGH25F UHV, RGH34, RGH41 RGSZ/RGSN As…