Interim Test and Compensations

1238888

Just as with all high accuracy precision instruments, the Vantage System must be verified regularly. FARO CompIT’s Interim Tests allow you to test the Vantage System and its Compensations allow you to adjust the parameters when necessary. Compensations also address several potential sources of error and may be required after the Vantage System has been shipped or subjected to impact.

The FARO CompIT chapter describes these compensations in detail.

Angular Accuracy Checks

The Angular Accuracy Checks in FARO CompIT quickly checks the accuracy of the Vantage System with minimal disruption of any measurements already in progress. Using Angular Accuracy Checks, you can check the accuracy of the Vantage System anywhere in the measurement volume. This makes it possible to check the angular accuracy during the measurement of a part without moving or rotating the Vantage. For more information, see Angular Accuracy Checks.

Upon completion of Angular Accuracy Checks, CompIT may recommend a Quick Compensation to improve the Vantage’s accuracy.

Quick Compensation

Quick Compensation is a routine that corrects for angular measurement error. It is a single point compensation and is the fastest method of compensating the Vantage System.

Click Quick Compensation in the CompIT main menu to start the routine. When complete (two to five minutes), the Vantage System is within the pointing accuracy specifications and ready to measure. For more information, see Quick Compensation.

After the Quick Compensation routine, Angular Accuracy Checks should be used to verify the accuracy. If an Angular Accuracy Checks was not performed immediately before the Quick Compensation, CompIT will recommend one be performed.

Pointing Compensation

The Pointing Compensation routine is the best and most accurate method to determine and correct for backsight errors, or angular measurement error. The Pointing Compensation takes more time and requires more space than the Quick Compensation, however it can produce the best possible Angular Accuracy results, especially at longer distances. It is either run from the Advanced tab of CompIT or when CompIT has determined that it is required based on the previous test results. There are two parts of Pointing Compensation:

The Interim Test uses measurements at predetermined locations and calculates the backsight error. After measuring, the system will pass or recommend to continue with the Pointing Compensation routines.

If obstructions prevent the measurement of any remote points, rotate the Vantage on its stand. For more information, see Pointing Compensation.

ADM Checks

The ADM (Absolute Distance Meter) Checks verifies the accuracy of the ADM radial measurement. By comparing the ADM measurement to the angular measurement of the Vantage. For more information, see ADM Checks.