LF 485

    Spécifications techniques

    Specifications

    LF 485

    Measuring standard

    Coefficient of linear expansion

    SUPRADUR phase grating on steel, grating period 8 µm

    αtherm  10 x 10–6 K–1

    Accuracy grade*

    ±5 µm; ±3 µm

    Measuring length ML* in mm

    Mounting spar* optional

    50 100 150 200 250 300 350 400 450 500 550 600 650 700
    750 800 900 1000 1120 1220

    Interface

      1 VPP

    Signal period

    4 µm

    Reference marks* LF 485

    LF 485 C

    • 1 reference mark at midpoint of measuring length
    • 2 reference marks, each 25 mm (for ML 1000 mm) or 35 mm (for ML 1120 mm) from the beginning and end of the measuring length

    Distance-coded

    Diagnostics interface

    Analog

    Cutoff frequency –3 dB

    250 kHz

    Electrical connection

    Separate adapter cable (1 m/3 m/6 m/9 m) connectible to mounting block

    Cable length

    150 m (with HEIDENHAIN cable)

    Voltage supply
    without load

    DC 5 V ±0.25 V/< 150 mA

    Traversing speed

    60 m/min (max. acceleration in measuring direction 100 m/s2)

    Required moving force

    4 N

    Vibration 55 Hz to 2000 Hz
    affecting the

    Shock 11 ms

    Housing with mounting spar: 150 m/s2 (EN 60 068-2-6)

    Scanning unit: 200 m/s2 (EN 60 068-2-6)

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

    Operating temperature

    0 °C to 50 °C

    Protection EN 60 529

    IP53 when installed according to instructions in the brochure

    IP64 with sealing air via DA 400

    Mass

    0.4 kg + 0.6 kg/m measuring length

    * Please select when ordering