LIF 481V

    Spécifications techniques

    Specifications

    LIF 481 V

    Measuring standard

    Graduation carrier*

    Expansion coefficient

    SUPRADUR phase grating

    Glass or Zerodur® glass ceramic

    Glass: αtherm  8 · 10–6 K–1

    Zerodur®glass ceramic: αtherm  (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