Specifi cationsLIP 481LIP 471Measuring standard* Expansion coeffi cientDIADUR phase grating on Zerodur glass ceramic or glass Þ
–6 –1 therm 0 · 10
–6 K
–1 (Zerodur glass ceramic) Þ
therm 8 · 10 K (glass) Accuracy grade* ± 1 µm, ± 0.5 µm (higher accuracy grades on request) Measuring length ML* in mm70 120 170 220 270 320 370 420Reference marks * LIP 4x1 R LIP 4x1 A One at midpoint of measuring lengthNone Incremental signals * » 1 V
PP « TTLGrating period4 µm Integrated interpolation Signal period–2 µm5-fold0.4 µm10-fold0.2 µmCutoff frequency –3dB ‡ 250 kHz–Scanning frequency * –200 kHz Edge separation a ‡ 0.220 µs100 kHz ‡ 0.465 µs50 kHz ‡ 0.950 µs100 kHz ‡ 0.220 µs50 kHz ‡ 0.465 µs25 kHz ‡ 0.950 µs Traversing speed † 30 m/min † 24 m/min † 12 m/min † 6 m/min † 12 m/min † 6 m/min † 3 m/min Power supplyPower consumption 5 V ± 5%< 190 mA5 V ± 5%< 200 mA (without load) Electrical connection Cable 0.5 m with D-sub connector (15-pin), interface electronics integrated in the connectorCable length
1) † 30 m † 30 m Vibration 55 to 2000 Hz † 200 m/s
2 2 (IEC 60 068-2-6) Shock 11 ms † 500 m/s (IEC 60 068-2-27) Operating temperature 0 °C to 40 °C * Please indicate when ordering Weight Scanning headInterface electronicsScale Connecting cable25 g (LIP 4x1 A),50 g (LIP 4x1 R), each without connecting cable 140 g 5.6 g + 0.2 g/mm measuring length 38 g/m
1) With HEIDENHAIN cable

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