No. 99MBB122A
14-6
■ Extension rod
Used to measure the inside surface of a deep hole.
IMPORTANT
• Be sure to perform calibration when an extension rod is attached or removed.
• When an extension rod is installed, measurement is not possible to perform with the
stylus facing up.
Example of prohibiting the use of the extension rod
Dimensions and application example
Dimensions and application example of the extension rod
Attaching the extension rod
1 Insert the extension rod into the drive unit.
2 Attach the detector to the extension rod.
Attaching the extension rod
Drive
Extension rod
Work piece
Detector
Drive
Extension rod (50 mm) (19.7 in)
No. 12AAA210
Detector
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