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Quick Guide to Precision Calipers
Measuring Instruments
Nomenclature Screw, gib setting Depth bar
Vernier Caliper (M-type) Gib, slider Stop, slider
Locking screw
Inside measuring faces Screw, gib pressing
Step measuring faces
Beam
Inside jaws Thumbwheel Main scale Depth measuring faces
Outside jaws
Reference surface
D Outside measuring faces Vernier scale
Slider
Absolute Digimatic Caliper (M-type)
Inside measuring faces
Step measuring faces Slider Locking screw
Output connector Beam Depth bar
Inside jaws Main scale Reference surface Depth measuring faces
Outside jaws
Thumb-roller
ZERO Set/Absolute mode button
Outside measuring faces
How to Read the Scale Dial Calipers Measurement Examples
Vernier Calipers 1. Outside measurement 2. Inside measurement
Main scale 90 0 10
(1) 10 20 30 40 (1) 90 0 10 80 20
0 80 20
0 10 (2)
70 0.01mm 30
505-666 70
MADE IN JAPAN
60 40
0.01mm 50
505-666
(2)70 30 70 80
MADE IN JAPAN
60 40
50
0 1 2 3 4 5 6 7 8 9 10 Main scale 3. Step measurement 4. Depth measurement
Dial face
(2)
Vernier scale
Graduation 0.05 mm Graduation 0.01 mm
(1) Main scale reading 4.00 mm (1) Main scale reading 16 mm
mm mm
(2) Vernier scale reading 0.75 (2) Dial face reading 0.13
mm mm
Caliper reading 4.75 Dial Caliper reading 16.13
Note) Above left, 0.75 mm (2) is read at the position where a main scale graduation line corresponds with a vernier gradua-
tion line.
Special Purpose Caliper Applications
Point jaw type Offset jaw type Depth type Blade jaw type Neck type Tube thickness type
For uneven surface For stepped feature For depth measurement For diameter of narrow groove For outside diameter For tube or pipe thickness
measurement measurement measurement measurement such as behind measurement
a shrouded recess
D-41
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