Dial Indicators
Interchangeable Back Covers Optional Accessories for Digimatic and Dial Indicators
Various back covers • A wide variety of indicator back cover types is available for Mitutoyo Digimatic and dial indicators.
Unit: mm Unit: mm • Most lugged back covers can be rotated by 90° because they have four retaining screws. However, 190561 and 137905 (for compact dial indicators) are only equipped with two retaining screws, therefore the lug orientation cannot be changed.
5 5 5 5 5 5
Unit: mm Unit: mm Unit: mm Unit: mm
Description Lug-on-Center Back Clamped by securing the lug section.
ø6.5 ø6.5 ø6.5 ø6.5 ø6.5 ø6.5
Unit: mm
5
Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm
ø6.5
Flat Back Cannot be clamped by means of the back cover.
a a a a a a
Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm
8 8 8 8 8 8
Magnetic Back (Magnetic force: 10 N) Can be easily attached to the flat surfaces of iron plates or machine tools with a magnet.
a
F
Unit: mm
8
Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm
12.5 12.5 12.5 12.5 12.5 12.5
Back with Offset Lug One side of the lug section is on the center line.
ø6.5 ø6.5 ø6.5 ø6.5 ø6.5 ø6.5
Unit: mm
12.5
6.35 6.35 6.35 6.35 6.35 6.35
ø6.5
Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm
Back with Post Used by clamping the ø12.7 pillar section.
6.35
30.8 30.8 30.8 30.8 30.8 30.8
Unit: mm
Back with Screw Mount Clamped with a screw with its thread as a guide.
Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm
M6×1 M6×1 M6×1 M6×1 M6×1 M6×1
30.8
11.7 11.7
Unit: mm
11.7 3.2 M6×1 3.2 M6×1 3.2 M6×1 3.2 M6×1 3.2 M6×1 3.2 M6×1 11.7 11.7 11.7 11.7
M6×1
Adjustable Back Can be slid with the groove as a guide. Clamped with a screw.
Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm
5.3 (6.4) 5.3 (6.4) 5.3 (6.4) 5.3 (6.4) 5.3 (6.4) 5.3 (6.4)
( ): Small type ( ): Small type ( ): Small type ( ): Small type ( ): Small type ( ): Small type
Unit: mm
3.2 M6×1
Back with Adjustable Bracket Can be attached to a device, jig, or tool and easily fine-tuned vertically with a hex wrench. (Travel range: Approx. 20 mm) Attachment procedure 1. Attach only the back cover with rack to the dial indicator. 2. Attach the main unit to a device, jig, or tool with M6 hexagon socket head cap screws. 3. Insert the back cover with rack into the main unit. 4. Use the supplied hex wrench (3/32”) to fine- tune and fix with clamp screws.
50.2 50.2 50.2 50.2 50.2 50.2
Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm
Main unit
5.3 (6.4)
50.2
Dial indicator attachment side
( ): Small type ø7.1
ø7.1 ø7.1 ø7.1 ø7.1 ø7.1
ø10.5 ø10.5 ø10.5 ø10.5 ø10.5 ø10.5
Hex wrench
Unit: mm ø7.1
38 38 38 38 38 38
ø10.5
50.2
Device, jig, or tool attachment side
38
Rack
ø7.1
ø10.5
Clamp screws
Need Repair?
38
16
16 16 16 16 16 16
F-69
16
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