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Optical encoders scale range

Linear scales

Gold plated tape

Scale name

Accuracy

Scale pitch

Coefficient of thermal expansion

Scale max length

Readhead compatibility

RGS

RGS20-S scale

±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

RGSZ20/RGSN20

RGSZ20-S scale

±15 µm/m


20 µm

Thermally mastered to substrate by use of end clamps


For length >50 m, please contact Renishaw


TONiC, TONiC UHV

 

Glass spar

Scale name

Accuracy

Scale pitch

Coefficient of thermal expansion

Scale max length

Readhead compatibility

RCLC

RCLC scale

±3 µm

20 µm/40 µm

~8 µm/m/°C

130 mm

ATOM

RGS40-G

RGS40-G scale

±4.2 µm/m

40 µm

~8 µm/m/°C


1.01 m

RGH40

Stainless steel tape

Scale name

Accuracy

Scale pitch

Coefficient of thermal expansion at 20 °C

Scale max length

Readhead compatibility

RTLF

RTLF20 scale

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

 ATOM

 

Stainless steel tape with track option

Scale name

Accuracy

Scale pitch

Coefficient of thermal  expansion at 20 °C

Scale max length

Readhead compatibility

RTLC20 with optional FASTRACK

RTLC20 FASTRACK scale

±5 µm/m

20 µm

10.1 ±0.2 µm/m/°C  

10 m

VIONiCTONiC, TONiC UHV

RTLC40 with optional FASTRACK

RTLC20 FASTRACK scale

40 µm (high accuracy): ±5 µm/m
40 μm: ±15 μm/m

40 µm

10.1 ±0.2 µm/m/°C10 mQUANTiC

RTLA30 with optional FASTRACK

RTLA FASTRACK scale

±5 µm/m

30 µm

10.1 ±0.2 µm/m/°C

21 m

RESOLUTE, RESOLUTE UHV, RESOLUTE FS (no FASTRACK)

RTLA50 with optional FASTRACK

RTLA FASTRACK scale

±10 µm/m

50 µm10.1 ±0.2 µm/m/°C10.02 mEVOLUTE

RTLR40 with optional FASTRACK

RTLR40 FASTRACK scale

±15 µm/m

40 µm

10.1 ±0.2 µm/m/°C

10 m

 RGH45

ZeroMet™ spar 

Scale name

Accuracy

Scale pitch

Coefficient of thermal expansion at 20 °C

Scale max length

Readhead compatibility

RELM20/RELE20

RELM RSLM scale

±1 µm for up to 1 m, then ±1 µm/m

20 µm

0.75 ±0.35 µm/m/°C

1.5 m

VIONiCTONiC, TONiC UHV, SiGNUM

RELA30

RELA scale

±1 µm for up to 1 m, then ±1 µm/m


30 µm

0.75 ±0.35 µm/m/°C


1.5 m

 

RESOLUTE, RESOLUTE UHV, RESOLUTE FS

Stainless steel spar

Scale name

Accuracy

Scale pitch

Coefficient of thermal expansion at 20 °C

Scale max length

Readhead compatibility

RSLM20/RSLE20/RSLC20

RELM RSLM scale

±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 m

20 µm

10.1 ±0.2 µm/m/°C

5 m

VIONiCTONiC, TONiC UHV, SiGNUM

RSLR20

RSLR scale

±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 m


20 µm

10.1 ±0.2 µm/m/°C


5 m

RGH20, RGH20F

RSLA30

RELA scale

±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 m


30 µm

10.1 ±0.2 µm/m/°C


5 m

RESOLUTE, RESOLUTE UHV, RESOLUTE FS

Rotary scales

Stainless steel ring

Scale name

Graduation accuracy (depending on ring diameter)

Scale pitch

Coefficient of thermal expansion at 20 ºC

Ring diameter


Readhead compatibility

RESR

RESR scale (scale page)

±3.97 to ±0.38 arc seconds

20 µm/40 µm

15.5 ±0.5 µm/m/°C 


52 to 550 mm


RGH20, RGH20F, RGH40

RESM

RESM-REST scale

±3.97 to ±0.38 arc seconds


20 µm/40 µm

15.5 ±0.5 µm/m/°C


52 to 550 mm


VIONiCTONiC, TONiC UHV, SiGNUM, QUANTiC

RESA30

RESA scale (scale page)

±3.97 to ±0.38 arc seconds


30 µm

15.5 ±0.5 µm/m/°C

52 to 550 mm


RESOLUTE, RESOLUTE UHV, RESOLUTE ETR, RESOLUTE FS


Ultra-high accuracy stainless steel ring 

Scale name

Installed accuracy (depending on ring diameter)

Scale pitch

Coefficient of thermal expansion at 20 ºC

Ring diameter


Readhead compatibility

REXM20/REXT20

REXM scale (scale page)

(≥100 mm diameter) ±1 arc second
(75 mm diameter) ±1.5 arc seconds
(≤57 mm diameter) ±2 arc seconds

20 µm

15.5 ±0.5 µm/m/°C 

52 to 417 mm


VIONiCTONiC, TONiC UHV, SiGNUM

REXA30

REXA scale (scale page)

(≥100 mm diameter) ±1 arc second
(75 mm diameter) ±1.5 arc seconds
(≤57 mm diameter) ±2 arc seconds


30 µm

15.5 ±0.5 µm/m/°C 


52 to 417 mm


RESOLUTE, RESOLUTE UHV, RESOLUTE ETR, RESOLUTE FS


Glass disc

Scale name

Graduation accuracy (depending on ring diameter)

Scale pitch

Coefficient of thermal expansion at 20 ºC

Ring diameter


Readhead compatibility

RCDM

RCDM scale (scale page)

±0.5 µm

20 µm/40 µm

~8 µm/m/°C

 17 to 108 mm


ATOM