Tubular Inside Micrometers
SERIES 139 — Extension Pipe Type (main unit)
• Micrometer head for Extension Pipe Type
inside micrometer.
• The sleeve is rotated to adjust the index line
position when setting to a length standard
139-001
SPECIFICATIONS
Metric
Order No.
139-001
• An inside length standard is required for
accurately setting the micrometer.
Range
100 - 125mm
Graduation
0.01mm
Accuracy
±3μm
Head adjustment range
25mm
Range
4" - 5"
Graduation
.001"
Accuracy
±.00015"
Head adjustment range
1"
Inch
Order No.
139-002
DIMENSIONS
Unit: mm
100 - 125
4.5
47
3
5
0
45
SR10
Mitutoyo operates a policy of continuous improvement that aims to provide the customer with the benefit of the latest technological advances.
Therefore the company reserves the right to change any or all aspects of any product specification without notice.
Extension Pipe
（M9.5×0.5）
C-22
SR10
C