The Keysight 55280B Linear Measurement Kit is a precision measurement component of the Keysight 5530 Laser Calibration System, engineered to measure linear displacement and velocity along machine travel paths. It enables characterization of positioning accuracy, repeatability, and directional errors in numerically-controlled machine tools and coordinate measuring machines. The 55280B is functionally identical to the 55280A but excludes the transit case.
– Technical Specifications
• Measurement Range: 40 meters (130 feet) total across all axes
• Laser Type: Helium-Neon, continuous wave, two-frequency heterodyne
• Wavelength: 632.99137 nm nominal (vacuum) for 5517A/B/BL/C/CL/D/DL; 632.99139 nm nominal (vacuum) for 5517EL/FL/GL
• Wavelength Accuracy: ±0.1 ppm (vacuum, 3 sigma, lifetime); ±0.02 ppm with factory calibration to MIL-STD 45663
• Wavelength Stability: ±0.002 ppm per hour (typical, vacuum); ±0.02 ppm lifetime (vacuum)
• Laser Polarization: f1 (lower frequency) horizontal; f2 (higher frequency) vertical
• Safety Classification: Class II laser (21 CFR 1040.10 and 1040.11)
• MTBF: >50,000 hours typical
• Heat Dissipation: 23 W operating, 35 W warm-up
• Magnetic Field Strength: ≤5.25 milliGauss at 4.6 m from laser head surface (non-operating)
• Cabling Clearance: 12 cm beyond back of 5517A; 10.16 cm beyond back of 5517B/BL/C/CL/D/DL/EL/FL/GL
– Key Features
• Bidirectional measurement approach for assessing backlash and lost motion
• Error compensation capability for CNC machine tools and DRO positioning systems
• Requires unbroken beam path during measurement
• Includes linear interferometer (10766A), two linear retroreflectors (10767A), two bases (10784A), three height adjusters (10785A), and three ~100 mm posts
– Typical Applications
• Machine tool positioning accuracy verification
• Coordinate measuring machine calibration
• Repeatability and backlash assessment
• Positioning system error documentation and compensation
– Compatibility & Integration
Works with Keysight 5530, Agilent 5530, Agilent 5529, Hewlett Packard 5529, Hewlett Packard 5528, and Keysight 5529B (Basic Laser System) platforms.
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