Small Tool Instruments and Data Management

New Outside Micrometer

RATCHET THIMBLE MICROMETER

Catalog No. E4273-101/102

Thimble sleeve Speeder sleeve

Measuring range: 25-50mm

Ratchet mechanism
Graduation: 0.01mm

A new generation of micrometer.

The Ratchet Thimble outside micrometer employs a
new constant measuring force device* that ensures
consistent and reliable measurements even for users
inexperienced in operating a micrometer with only one
hand.
* Patented: USA, China, Germany, UK, France
Patent pending: Japan
Ratchet Thimble Micrometer
One-handed
New Style Ratchet Thimble with new mechanism

Ratchet function works both from the thimble

and the speeder, allowing easy one-handed
operation.

Speeder is always available for quick rotation of New, smoother action Ratchet Mechanism.
spindle. * Patented: USA, China, Germany, UK, France
Patent pending: Japan

Clearly audible ratchet operation for reassurance
that measurement is being performed at
constant, preset force.

Rotating the thimble/speeder sleeve when the

workpiece is between the anvil and spindle
causes the ratchet mechanism to operate and
apply a constant measuring force to the spindle.

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Operation
More accurate in one-handed operation: test
results show inexperienced users measure
signicantly more accurately with the new
micrometer.

25-50mm/1"-2"(0.01mm/.001")
0-25mm/0"-1"(0.01mm/.001")

102-702 (mm)
102-712 (inch)

102-701 (mm)
102-711 (inch)

101-711
(inch)

25-50mm/1"-2" (0.001mm/.0001")

0-25mm/0"-1"(0.001mm/.0001")

102-708 (mm)
102-718 (inch)

102-707 (mm)
102-717 (inch)

101-717
(inch)

Specications
Order No. 102-701 102-707 102-711 102-717 101-711 101-717 102-702 102-708 102-712 102-718
Measuring range 0-25mm 0-1" 25-50mm 1-2"
Graduation 0.01mm 0.001mm .001" .0001" .001" .0001" 0.01mm 0.001mm .001" .0001"
Instrument error (20C) 2m .0001" 2m .0001"
Flatness of measuring faces 0.6m
Parallelism of measuring faces 2m
Mass 180g 270g
Measuring force 5N-10N

Color speeder sleeve (optional) Black 04GAA899 Green 04GAA902

Red 04GAA900 Blue 04GAA903
Yellow 04GAA901 Gray 04AAB208

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 14.000508 (5) ENE, Printed in Japan
Inspection erticate
Every ratchet thimble micrometer is provided with a Certicate of Inspection* that shows the result of
the quality control inspection conducted at time of shipping. Coordinate Measuring Machines
*This is not a calibration certicate.
Vision Measuring Systems
Dimensions Form Measurement

Optical Measuring

Sensor Systems

Test Equipment and

Seismometer

Digital Scale and DRO Systems


Small Tool Instruments and

Data Management

Mitutoyo Corporation

20-1, Sakado 1-Chome,
Takatsu-ku, Kawasaki-shi,
Kanagawa 213-8533, Japan
T +81 (0) 44 813-8230
F +81 (0) 44 813-8231
http://www.mitutoyo.co.jp
Note: All information regarding our products, and in particular the illustrations, drawings, dimensional and performance data contained
in this pamphlet, as well as other technical data are to be regarded as approximate average values. We therefore reserve the right to
make changes to the corresponding designs, dimensions and weights. The stated standards, similar technical regulations, descriptions and
illustrations of the products were valid at the time of printing. In addition, the latest applicable version of our General Trading Conditions
will apply. Only quotations submitted by ourselves may be regarded as denitive.