Scale

LIF 101

Measuring standard

Coefficient of linear expansion

SUPRADUR phase grating on Zerodur glass-ceramic or glass; grating period: 8 µm

αtherm ≈ (0±0.1) x 10–6 K–1 (Zerodur glass-ceramic)

αtherm ≈ 8 x 10–6 K–1 (glass)

Accuracy grade

±3 µm; ±1 µm (only in Zerodur and up to a measuring length of 1640 mm)

Measuring length ML* in mm

70 120 170 220 270 320 370 420 470 520 570 620 670

720 770 820 870 920 970 1040 1140 1240 1340 1440 1540 1640

1840 2040 2240 2440 2640 2840 3040 3)

Reference marks* LIF 101 R

LIF 101 C

One reference mark at midpoint of measuring length

Distance-coded

Mass

7.5 g + 0.25 g/mm of measuring length

Scanning head

LIF 18

LIF 17

Interface

  1 VPP

TTL

Integrated interpolation*
Signal period

–

4 µm

5-fold

0.8 µm

10-fold

0.4 µm

Cutoff frequency –3 dB

≥ 1 MHz

–

Scanning frequency

–

≤ 200 kHz

≤ 100 kHz

≤ 50 kHz

≤ 100 kHz

≤ 50 kHz

≤ 25 kHz

Edge separation a

–

≥ 0.220 µs

≥ 0.465 µs

≥ 0.950 µs

≥ 0.220 µs

≥ 0.465 µs

≥ 0.950 µs

Traversing speed 1)

≤ 240 m/min

≤ 48 m/min

≤ 24 m/min

≤ 12 m/min

≤ 24 m/min

≤ 12 m/min

≤ 6 m/min

Interpolation error

Position noise RMS

± 12 nm

0.6 nm
(1 MHz 2))

–

Electrical connection*

Cable, 0.5 m/1 m/3 m, with 15-pin D-sub connector (male); interface electronics in connector

Cable length

With HEIDENHAIN cable: ≤ 30 m

Supply voltage

DC 5 V ±5 %

DC 5 V ±5 %

Current consumption

≤ 165 mA

≤ 170 mA (without load)

Vibration 55 Hz to 2000 Hz

Shock 6 ms

≤ 200 m/s2 (IEC 60 068-2-6)

≤ 500 m/s2 (IEC 60 068-2-27)

Operating temperature

Storage temperature

0 °C to 50 °C

–20 °C to 70 °C

Protection EN 60 529

IP 00; scanning head: IP 50

Mass

Scanning head

Cable

Connector

25 g (without cable)

38 g/m

75 g

* Please select when ordering
1) Only for TTL: Maximum traversing speed for referencing: 9.6 m/min · (40 kHz)

2) –3 dB cutoff frequency of the subsequent electronics

3) Measuring lengths of up to 6 m upon request