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Verify that values in the LEC screen are
all 1.000
U
Press MENU/CLEAR/CLR ALL to clear all existing datums, part
alignments and part data.
U
Position the standard artifact along the measurement axis.
U
Align the artifact as closely as possible to the axis and then perform
a skew alignment as described in chapter 1 (see "Align the part to a
measurement axis" on page 34).
In this example of applying SLEC, 4 points equally spaced along the
measurement range are measured using an 4 inch standard.
Arrow number
Descriptions
1: Standard length
Entire 4 inch length is measured
2: Standard values
The certified values shown on the standard
3: Observed values
The measured values
4: Deviation graph
Difference between standard and observed
values (not entered into any screen)
5: Station numbers
Segment end points (standard and observed
values) are entered into station data fields
The deviation graph in the example at the right shows a datum zero
point and 4 certified and (corresponding) measured points. The
certified value at the end of each segment is entered into the Standard
data field manually using the KEYPAD. The actual measured value at
the end of each segment is entered into the Observed field
automatically by pressing the TEACH softkey.
ND 1200 QUADRA-CHEK
Verify that NLEC (optional)
compensation is OFF
Verify that the SLEC enable is OFF
SLEC example using an 8 inch standard
103
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