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Product details
LF 485
Compact shell incremental linear grating ruler
• Ultra high repeatability accuracy
• Temperature characteristics close to steel and gray cast iron
• Used for applications with limited installation space
| technical parameter | LF 485 |
| Measurement benchmark Linear expansion coefficient | SUPRADU phase grating on steel substrate; Grid spacing of 8 µ m; Þtherm≈10 x 10﹣⁶K﹣¹ |
| Accuracy level* | ± 5 µm； ± 3 µm |
| Measure the length ML *, Unit mm | Installation board * optional 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 900 1220 |
| Interface | ~1 VPP |
| Signal cycle | 4 µm |
| Reference point* LF 485 LF 485C | Measure 1 reference point at the midpoint of the length Two reference points, each located 25 mm (for ML ≤ 1000 mm) or 35 mm (for ML ≤ 1120 mm) from the starting and ending points of the measured length Distance encoding |
| Diagnostic interface | simulation |
| Cut off frequency -3 dB | ≥250kHz |
| Electrical connection | Individually compatible cable (1 m/3 m/6 m/9 m), can be connected to installation blocks |
| Cable length | ≤ 150m (Heidenhain cable) |
| No load power supply voltage | DC 5 V ±0.25 V/< 150 mA |
| Movement speed | ≤ 60 m/min (maximum acceleration in the measurement direction ≤ 100 m/s ²) |
| Required motion force | ≤4N |
| Vibration effect from 55 Hz to 2000 Hz Impact 11 ms | Scale shell with mounting plate:≤150 m/s² （EN 60068-2-6） Reading head:≤200 m/s² （EN 60068-2-6） ≤300 m/s² （EN 60068-2-27） |
| working temperature | 0 ° C to 50 ° C |
| Protection level EN 60 529 | If the installation meets the installation instructions in the sample and is IP53, If the sealed air connected to DA400 is IP64 |
| weight | 0.4 kg+0.6 kg/m measuring length |
*Please select when placing an order
Product dimension diagram:
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