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LIP 471 / LIP 481

LIP 481

LIP 471

Measuring standard*

Coefficient of linear expansion

DIADUR phase grating on Zerodur glass ceramic or glass; grating period 4 µm

αtherm (0 ± 0.1) · 10-6 K-1 (Zerodur glass ceramic)

αtherm 8 · 10-6 K-1 (glass)

Accuracy grade*

± 1 µm (higher accuracy grades available on request)

± 0.5 µm

Measuring length ML* in mm

70, 120, 170, 220, 270, 320, 370, 420

Reference marks*

LIP 4x1 R: One at midpoint of measuring length

LIP 4x1 A: None

Interface

1 VPP

TTL

Integrated interpolation*

Signal period

2 µm

5-fold

0.4 µm

10-fold

0.2 µm

Cutoff frequency –3 dB

300 kHz

Scanning frequency*

Edge separation a

≤ 200 kHz

0.220 µs

≤ 100 kHz

0.465 µs

≤ 50 kHz

0.950 µs

≤ 100 kHz

0.220 µs

≤ 50 kHz

0.465 µs

≤ 25 kHz

0.950 µs

Traversing speed

≤ 36 m/min

≤ 24 m/min

≤ 12 m/min

≤ 6 m/min

≤ 12 m/min

≤ 6 m/min

≤ 3 m/min

Electrical connection*

Cable 0.5 m, 1 m, 2 m, or 3 m with D-sub connector (male) 15-pin; interface electronics in the connector

Cable length

See Interface Description, but ≤ 30 m (with HEIDENHAIN cable)

Voltage supply

5 V DC ± 0.25 V

5 V DC ± 0.25 V

Current requirement

< 190 mA

< 200 mA (without load)

Vibration 55 to 2 000 Hz

Shock 11 ms

≤ 200 m/s2 (EN 60 068-2-6)

500 m/s2 (EN 60 068-2-27)

Operating temperature

0 °C to 40 °C

Weight Scanning head

Linear scale

Connecting cable

Connector

LIP 4x1 A: 25 g, LIP 4x1 R: 50 g
(each without cable)

5.6 g + 0.2 g/mm measuring length

38 g/m

140 g

* Please select when ordering

Versions available for high vacuum LIP 481 V and ultrahigh vacuum LIP 481 U (see Product Information).