Absolute magnetic scale for machine tools, vertical lathes, gantry machines, laser/plasma cutting machines, robotics, automation, etc.
Measuring length: 640 mm up to 30,040 mm - Degree of accuracy: ± 10 µm

GVS 919

• Absolute magnetic measuring tape, available in one piece or in modular version for large machines (up to 30040 mm measuring length or higher on request).
• Application in various industries such as machine tools, vertical lathes, gantry machines, laser/plasma cutting machines, robotics, automation, etc.
• Magnetic tape on stainless steel support, integrated with the machine guide, for excellent accuracy at any temperature.
• Serial interface SSI-BiSS C (unidirectional), with or without 1 Vpp analog signal. Direct reading of the absolute measurement.
• Resolutions up to 0.5 μm.
• Degree of accuracy ± 10 μm.
• Permanently connected modules, for a perfect seal against liquids and environmental contaminants that do not change over time.
• Adjustable cable output, through double plug.
• Large alignment tolerances.
• Pressurization from both sides of the scale and/or transducer.
• Option: 1 Vpp analog signal.

Type	Resolution absolute measure	Pole pitch	Accuracy grade	Max. traversing speed	Measuring length	Repeatability	Protection class	Data sheet
GVS 919 T	1 - 0.5 µm	2+2 mm	± 10 µm	up to 120 m/min	from 640 mm to 30040 mm, with steps of 200 mm ** Modules length: 1200, 1400, 1600, 1800, 2000 mm	± 1 increment	IP 64 standard IP 67 on request

1. Rigidly bonded modules for a perfect seal, unchanging over time.
2. Up to 30040 mm measuring length.
3. Self-guided and self-aligning read head (internal);
   constant signal quality (serial interface + 1 Vpp on request).
4. T-block for the elastic attachment of the modules.
   Scale and magnetic tape thermal expansion independently.
5. Exclusive magnetic tape holding and guiding system. Large alignment tolerances of the modules.
6. High precision absolute magnetic tape on stainless steel carrier. Steel carrier (dual track, absolute and incremental). Resolution up to 0.5 µm.
7. Pressurization from both sides of the scale and/or transducer.
8. Non-expandable sealing lips, attached to the side ends.
9. Magnetic tape calibration.
   Max. Degree of accuracy ± 10 µm.
10. Block for fixing the magnetic tape to the machine.
    Linear thermal expansion to match the application.
11. PUR cable suitable for continuous movement.
12. Double connection. Adjustable cable output.
13. Seals to protect the circuit (IP 67)
14. Brackets for moving and fixing the transducer in the correct position.

Accessories

Digital display devices:

• Vision 518
• Vision 900

Positioning control:

• THESI 310
• THESI 320