Chapter 6
Adjustment and Verification
P/N 79000035_SM, Version 1.5 6 - 85 Focus 30/35 Service Manual
Focus 35 EDM 1mm - Verify the 1mm accuracy
Note – The baselines have to be calibrated with a reference instrument specified better
then 1mm+1ppm. Use Trimble S8 Reference instrument from Regional Service Center.
Tools and equipment
Performance
Description Part number
Min 7 Baselines between 2 and 100m Local
Item Performance Action Result Notes
1 Prepare Excel sheet. Prepare Excel sheet for 10 measurements on 7 Baselines.
Determine Excel formula STDEV.P
Determine Average of SD readings
Determine Delta between Average and baselines
Fig. 6-71 Example to verify 1mm accuracy of the EDM
2 Tolerances Baseline STDEV < 1,0mm
Delta between Average and baselines < 1,0mm