1 Scope
This calibration specification specifies the metrological characteristics, calibration conditions, calibration item, calibration method, the processing of calibration results and time interval of recalibration for large scale coordinate measurement system-laser tracker (hereinafter referred to as laser tracker)
This calibration specification is applicable to newly-manufactured and repaired laser trackers as well as those in use.
2 Normative References
The following standards contain provisions which, through reference in this calibration specification, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
Contents
1 Scope
2 Normative References
3 General Description
3.1 Usage
3.2 Principle
3.3 Structure
4 Metrological Characteristics
4.1 Appearance and Operation Normality
4.2 Indication Error of Length Measurement (EL)
4.3 Indication Error of Measurement by Built-In Laser Interferometer(EIFM)
4.4 Indication Error of Absolute Distance Meter (ADM)(EADM)
4.5 Position Error of HomePoint
4.6 Indication Errors of Temperature and Gas Pressure Transducers
4.7 Uncertainty of Vacuum Wavelength of Built-In Laser Interferometer
5 Calibration Conditions
5.1 Ambient Conditions
5.2 Equipment and Other Equipment Used for Calibration
6 Calibration Items
7 Calibration Method
7.1 Appearance and Operation Normality
7.2 Indication Error of Length Measurement
7.3 Indication Error Measurement by Built-in Laser Interferometer
7.4 Indication Error of Absolute Distance Meter (ADM)
7.5 HomePoint Position Error
7.6 Indication Error of Temperature and Gas Pressure Transducer
7.7 Uncertainty of Vacuum Wavelength of Built-in Laser Interferometer
8 Treatment of Calibration Result and the Time Interval for Recalibration
8.1 Treatment of Calibration Result
8.2 Time Interval for Recalibration
Appendix A (Normative) Evaluation of Length Measurement Indication Error Uncertainty
Appendix B (Informative) Calibration Certificate Content
