No. 99MBB122A
7-16
7.8 Setting the Evaluation Length to an Arbitrary
Length
The SJ-210 is capable of setting the evaluation length to an arbitrary length in a range
between 0.30 mm to 16.00 mm (0.0118 in to 0.6299 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.
Setting an arbitrary length and the traversal length/evaluation length
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” is selected as the evaluation profile. For information about the setting
procedure, refer to “■ Operating procedure (when a Motif evaluation profile (R-Motif) is
specified)” below.
TIP
• For more information about the relationship between the evaluation profile and
pre-travel/post-travel, refer to 18.4, “Traversal Length”.
• When pre-travel/post-travel is set to “OFF”, pre-travel/post-travel is calculated with
overlapping data included.
Approach travel
0.5 mm (0.019 in)
Pre-
travel
Evaluation length
Traversal length
Normal measuring position
Origin
Post-
travel
Arbitrary length
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