Linear Scales

RTL (stainless steel tape)
Scale name Accuracy Scale pitch Coefficient of thermal expansion at 20 °C Supplied length Readhead compatibility

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)
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

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

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
RKL (narrow stainless steel tape)
Scale name Accuracy Scale pitch Coefficient of thermal expansion at 20 °C Supplied length Readhead compatibility

RKLC-S, RKLR-S

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

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 10 m (> 10 m on request)
ATOM, ATOM DX

RKLA-S

±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

±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

±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

±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

RSLA30

±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 (glass spar)
Scale name Accuracy Scale pitch Coefficient of thermal expansion at 20 °C Supplied length Readhead compatibility

RCLC

±3 µm

20 µm/40 µm

~8 µm/m/°C

Up to 130 mm
ATOM, ATOM DX