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Optical encoders scale range

Linear scales

RTL (stainless steel tape)

Scale name

Accuracy

Scale pitch

Coefficient of thermal expansion at 20 °C

Supplied length

Readhead compatibility

RTLF

RTLF20 scale

20 μm: ±5 μm/m

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

20 µm/40 µm

10.1 ±0.2 µm/m/°C

Up to10 m (>10 m on request)

ATOM, ATOM DX

RTL FASTRACK™ (stainless steel tape with track option)

Scale name

Accuracy

Scale pitch

Coefficient of thermal expansion at 20 °C

Supplied length

Readhead compatibility

RTLC with optional FASTRACK

RTLC20 FASTRACK scale

20 μm: ±5 μm/m

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


20 µm/40 µm


10.1 ±0.2 µm/m/°C

Up to 10 m (>10 m on request)

VIONiC, QUANTiC, TONiC, TONiC UHV, TONiC FS

RTLA with optional FASTRACK

RTLA FASTRACK scale

30 μm: ±5 µm/m

50 μm: ±10 µm/m


30 µm/50 µm

10.1 ±0.2 µm/m/°C

RESOLUTE: up to 21 m

EVOLUTE: up to 10.02 m

RESOLUTE, RESOLUTE UHV, RESOLUTE FS, EVOLUTE

RTLR40 with optional FASTRACK

Not recommended for new designs

RTLR40 FASTRACK scale

±15 µm/m

40 µm

10.1 ±0.2 µm/m/°C

Up to 10 m

RGH45

RKL (narrow stainless steel tape)

Scale name

Accuracy

Scale pitch

Coefficient of thermal expansion

Supplied length

Readhead compatibility

RKLC-S, RKLR-S

RKLC20 scale

20 μm: ±5 μm/m

40 µm (high accuracy): ±5 µm/m

40 μm: ±15 μm/m


20 µm/40 µm

Matched to substrate material when scale ends are fixed with end clamps

Up to 20 m (>20 m on request)

VIONiC, TONiC, TONiC UHV, QUANTiC


RKLF-S

RKLF linear scale


20 μm: ±5 μm/m

40 µm (high accuracy): ±5 µm/m

40 μm: ±15 μm/m

20 µm/40 µm

Matched to substrate material when scale ends are fixed with end clamps

Up to 20 m (>20 m on request)

ATOM, ATOM DX

RKLA-S

RKLA linear scale

±5 μm/m

30 µm

Matched to substrate material when scale ends are fixed with end clamps

Up to 21 m RESOLUTE

REL (ZeroMet™ spar)

Scale name

Accuracy

Scale pitch

Coefficient of thermal expansion at 20 °C

Supplied 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

Up to 1.5 m

VIONiC, TONiC, TONiC UHV, TONiC FS

RELA30

RELA scale

±1 µm for up to 1 m, then ±1 µm/m

30 µm

0.75 ±0.35 µm/m/°C

Up to 1.5 m

RESOLUTE, RESOLUTE UHV, RESOLUTE FS

RSL (stainless steel spar)

Scale name

Accuracy

Scale pitch

Coefficient of thermal expansion at 20 °C

Supplied 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

Up to 5 m

VIONiC, TONiC, TONiC UHV, TONiC FS

RSLR20

Not recommended for new designs

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

Up to 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

Up to 5 m

RESOLUTE, RESOLUTE UHV, RESOLUTE FS

RCL and RGS-G (glass spar)

Scale name

Accuracy

Scale pitch

Coefficient of thermal expansion

Supplied length

Readhead compatibility

RCLC

RCLC scale

±3 µm

20 µm/40 µm

~8 µm/m/°C

Up to 130 mm

ATOM, ATOM DX

RGS40-G

Not recommended for new designs

RGS40-G scale

±4.2 µm/m

40 µm

~8 µm/m/°C

Up to 1.01 m

RGH40

RGS (gold plated tape)

Scale name

Accuracy

Scale pitch

Coefficient of thermal expansion

Supplied length

Readhead compatibility

RGS

Not recommended for new designs

RGS20-S scale

±15 µm/m

20 µm/40 µm

Thermally mastered to substrate by use of end clamps

Up to 50 m (>50 m 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

Up to 50 m (>50 m contact Renishaw)

TONiC, TONiC UHV

Partial arc scales

RKL (narrow stainless steel partial arc tape)

Scale name

Accuracy

Scale pitch

Coefficient of thermal expansion

Supplied length

Readhead compatibility

RKLC-S

RKLC partial arc scale

20 μm: ±5 μm/m

40 μm: ±15 μm/m


20 µm/40 µm

Matched to substrate material when scale ends are fixed with end clamps

Up to 20 m (>20 m on request)

VIONiC, TONiC, QUANTiC

RKLF-S

RKLF partial arc scale

±15 μm/m

40 µm

Matched to substrate material when scale ends are fixed with end clamps

Up to 20 m (>20 m on request)

ATOM, ATOM DX

RKLA-S

RKLA partial arc scale

±5 μm/m

30 µm


Matched to substrate material when scale ends are fixed with end clamps

Up to 21 m

RESOLUTE

Rotary scales

RES (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

Not recommended for new designs

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


VIONiC, TONiC, TONiC UHV, TONiC FS, 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


REX (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


VIONiC, TONiC, TONiC UHV

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


RCDM (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, ATOM DX