7. MODIFICATION OF THE MEASUREMENT CONDITIONS AND EVALUATING CONDITIONS
7.3.6 Setting the evaluation length to an arbitrary length
The SJ-410 is capable of setting the evaluation length to an arbitrary length in a range
between 0.10 mm and 25.40 (50.80) mm (0.003 in and 1.0 (2.0) in).
The evaluation length is the distance of the arbitrary length minus the pre-travel/post-travel
lengths.
When pre-travel/post-travel is set to “OFF”, the evaluation distance is equal to the arbitrary
length.
Arbitrary length
Post-
travel
Normal measuring
position
Traverse length
Evaluation length
Pre-
travel
Approach
travel
0.5 mm
(0.019 in)
Setting an arbitrary length and the traversal length/evaluation length
Ori
in
NOTE
• The setting range of an arbitrary evaluation length depends on the cutoff value and filter
settings. When performing measurement at an arbitrary evaluation length, set the length
after setting a cut-off value and a filter.
• Note that the procedure for setting the evaluation length to an arbitrary length differs
when “R-Motif” or “W-Motif” is selected as the evaluation profile. For information about
the setting procedure, refer to “■ Operating procedure (when a Motif evaluation profile
(R-Motif/W-Motif) is specified)” below.
TIP
• For information about the relationship between the evaluation profile and
pre-travel/post-travel, refer to "23.4 Traversal Length" (page 23-15).
• When pre-travel/post-travel is set to “OFF”, pre-travel/post-travel is calculated with
overlapping data included.
No. 99MBB765A
7-27
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