Dial Indicators
Dial Indicators
Parts of a dial indicator
Mitutoyo Dial Indicators have long been used by many of our customers. In full recognition of their needs, we have devoted ourselves to the research and development necessary to produce high- quality and high-accuracy dial indicators. Due to the recent re-acknowledgement of the importance of measurement technologies, the demands on dial indicators are many and varied: installation in measuring jigs, mounting in countless types of precision equipment, etc. We offer numerous models with various types of dial faces, measuring ranges, graduation styles and environmental resistance ratings. The stems, which ensure the fixture reliability, and the spindles, which are the basis of accuracy, have excellent resistance against harsh use thanks to the hardened stainless steel construction. 0.01 mm resolution dial indicators have a main gear made of stainless steel with high resistance to wear and deformation. 0.001 mm graduation dial indicators employ a sector gear made of a special alloy in order to further increase the resistance to wear. Many models employ an O-ring to ensure airtightness between the outer frame and the bezel in order to prevent water or oil penetration from the front. Mitutoyo Dial Indicators are manufactured and inspected according to JIS B 7503:2017. (Inspection orientation: vertical) Important factors in choosing a dial indicator: the size (bezel diameter), resolution (graduation) and measuring range. Use the table on the right to help choose a suitable model for your application.
Cap
Pointer (or hand)
Dial face
Graduations Revolution counter Serial No.
Order No.
Bezel
Stem
Spindle Contact point
Feature icons Icon
Feature description
Continuous scale
FEATURES: A Series (SERIES 2, 3, 4)
90 0 10
Balanced scale
stem
10 0 10
Reverse reading type, Suitable for depth and step measurement. One revolution type for easy and error-free reading
F
stem-bush
Double scale spacing type, easy-on-the-eyes Shockproof
• No through screw-holes on the frame for high oil- and dust-resistance. The bezel clamp (optional) can be attached either to the right or left side. • Improved impact- and oil-resistant materials are employed in the bezel. Easier reading is due to the improved shape of the crystal face.
• Revolutionary stem-bush design for trouble- free stem clamping (longer clamping range; maximum tightening torque at the clamping point with M5 screw: 150 N · cm).
Waterproof (IP63)
Waterproof (IP64)
With damper at top rest point
With damper at lowest rest point
(1)
(2)
Jeweled bearing
Peak retaining
• The spindle lifting lever (optional: 21EZA198 ) can be attached to either the right or left side providing high operability and smooth movement. This lever can be easily installed and removed.
• The optional limit hands (1) can be moved without interfering with the optional bezel clamp (2).
Dustproof
With coaxial revolution counter
• Application of anti-stain and anti-reflective coating improves scale visibility.
Back Plunger
Adjustable hand
Note: Mitutoyo produces ASME-compatible products. Contact us for details.
<Conventional model>
<New model>
F-25
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