Finding the center of the NanoScan

The center of the NanoScan can be found by the following steps:

  1. Connect the NanoScan to the computer and open the software.
  2. Start recording data
  3. Go to the Computations tab and select the Rolling mode
    Finding the center of the NanoScan
  4. Go to the Profiles tab
  5. Under the Origin Location section of the Profiles tab
    • Click on the Default button
    • Click the Apply button
      Finding the center of the NanoScan
    • This will make the center of the profile windows have the 0 location in the center of the profile
      Finding the center of the NanoScan
  6. Turn off the Auto Zoom for both profiles.
  7. Illuminate the detector with a beam and try to center it as close to the 0 as possible.
    • Use the Centroid Position X & Y in your results area to see where the centroid position is in relation to the 0 position.
      Finding the center of the NanoScan
  8. Rotate the NanoScan 180 degrees
  9. The Centroid Positions will have changed slightly
    Finding the center of the NanoScan
  10. Take the numbers given to you (as close as you can) and divide them in half
    • 27.082/2 = 13.541
    • -252.300/2 = -112.609
  11. Input the numbers into the Origin Location section of the software and click the Apply button.
    Finding the center of the NanoScan
  12. The numbers in your results should be fairly close to the ones you just entered in the last step (my example setup is not very stable so my results are quite large).
    Finding the center of the NanoScan
  13. Move the NanoScan until the results are close to 0 in the results.
  14. Rotate the NanoScan to the original position.
  15. Repeat these steps until you are satisfied with how close you are to hitting the very center of the NanoScan
  16. When you are satisfied, record the numbers located in the Reference boxes
    Finding the center of the NanoScan

These numbers can then be used as a reference to the center of the NanoScan.

You can test this location by shutting down the software and restarting; click Start; go to the Profiles tab; enter the numbers; and click Apply. This will give you the same origin location as you had established in the previous exercise.

Note: When the unit is sent in for repair/recalibration the location may change due to the repair.