Specifications
LIF 481 V
Measuring standard
Graduation carrier*
Expansion coefficient
SUPRADUR phase grating
Glass or Zerodur® glass ceramic
Glass: ?therm 8 · 10–6 K–1
Zerodur®glass ceramic: ?therm (0 ± 0.1) x 10–6 K–1
Accuracy grade
± 3 µm
Measuring length ML*
in mm
70 120 170 220 270 320 370 420 470 520 570 620 670 720
770 820 870 920 970 1 020
Reference marks
One at midpoint of measuring length
Output signals
1 VPP
Signal period
4 µm
Cutoff frequency –3 dB
–6 dB
? 300 kHz
? 420 kHz
Traversing speed
–3 dB: 72 m/min
–6 dB: 100 m/min
Position detection
Homing and limit signal
Power supply
Current consumption
5 V ± 5 %
< 175 mA
Electrical connection*
• Interface electronics outside of the high vacuum:
Cable 0.5 m or 1 m up to high-vacuum feedthrough; cable 0.5 m up to D-sub connector (15-pin) with integrated interface electronics• Interface electronics in high vacuum:
Cable 0.5 m or 1 m with D-sub connector (15-pin); interface electronics integrated in connector
Cable length1)
Incremental: ? 30 m; homing, limit: ? 10 m
Vibration 55 to 2 000 Hz
Shock 11 ms
? 200 m/s2 (IEC 60 068-2-6)
? 500 m/s2 (IEC 60 068-2-27)
Operating temperature
0 °C to 40 °C
Bake-out temperature
100 °C
PCB material
FR4
Weight Scanning head
Connector
Scale
Connecting cable
9 g (without connecting cable)
32 g; with integrated interface electronics: 140 g
0.8 g + 0.08 g/mm measuring length
38 g/m
* Please select when ordering
1) With HEIDENHAIN cable
