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Chapter 2 Linear Measurements
Placing and Using the Sensors
1
Place the air sensor(s) as close as possible to the actual measurement
path.
2
Never place an air sensor directly below the laser beam. The sensor is a
source of heat and can cause inaccuracies in your measurements. For
more information on placing the sensors, refer to the Agilent 5530 Getting
Started Guide.
3
Place the material temperature sensors where recommended by
calibration standards such as ANSI B-5.
For a machine with a table, it is usually sufficient to place the sensors on
the table.
4
On the Set Up Environmental Compensation screen, select Auto in the
Environmental Compensation and Material Compensation boxes. Use the
default value, or enter a new value in the Expansion Coefficient box.
The sensors now provide the current environmental values to the
metrology software. If multiple sensors of the same type are used, the
software averages their results.
For instructions on completing the other fields on the screen, use the
online help.
5
When you have completed the screen, select OK.
You are returned to the Set Up Laser: LINEAR screen.
You are now ready to mount and align the optics on the target machine.
2-8
Measurements Reference Guide
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