Niigata seiki KAIDAN GVC-10 Instruction Manual

MEASURING
TOOLS BOOK
VERNIER CALIPER GVC-10 AND MICROMETER MC105-25
COMBINATION SET
INSTRUCTION MANUAL
ノギス
Calipers are the most versatile measuring tool in
the shop, able to measure outside dimensions,
CALIPERS
inside dimensions, depth, and step height.
Inside
２
Inside Jaws
Outside
１
Positioning on Workpiece
１
Jaws
at 90°
Viewing the Scale
２
SB-NM1025
Model No.
Niigata Seiki Co., Ltd.
5-3-14, Tsukanome, Sanjo, Niigata, Japan, 955-0055
Tel. : +81-256-33-5522 Fax. : +81-256-33-5518
MAIL intl.sales@niigataseiki.co.jp
URL http://www.niigataseiki.co.jp
I396-K
③
②
Lock Screw
0 50
10 20 30 40
0 10 20 30 40 50 60 70 80 90
①
Outside Jaws
●For Flat Parts
Jaws should be perpen-
dicular to the surface.
●For Cylindrical Parts
Jaws should be at right
angle to the axis of the
cylinder.
Read the Scale from directly
above the Calipers.
If the Scale is viewed at
an angle, the difference in
height between the Main
Scale and the Vernier Scale
may cause measurement
error due to parallax.
◎ SET INCLUDES
VERNIER CALIPERS
◇ Model：GVC-10
◇ Max Meas. Length：100mm
◇ Graduations：0.05mm
◇ Accuracy：±0.05mm
SAFETY NOTES
● Please read and follow these instructions. Improper use may lead to
accidents, injuries, product damage, or inaccurate measurements.
●Use only for measuring. ●Handle with care - do not drop or shock, and
do not place under heavy objects. ●Do not damage gauge, such as by
engraving name or number on it. ●Keep away from rain, high humidity,
temperature extremes, and direct sunlight during use and storage.
●Do not disassemble or modify. ●Use caution when handling Caliper -
Jaw tips are sharp. ●Always make sure Lock Screw is loose before
1909
moving Caliper Slide.
Step
３
Main Scale
Beam
100
60 70 80 90
mm
0.05mm
0
Thumb Grip
Slide
Vernier Scale
3
The measurement using both the Main Scale and the Vernier
Scale. Below there are examples reading 77.00mm measurement
in the first example, and 77.35mm. for the second example.
0
10 20
Graduations Align Here
Ex.１
Measure-
ment =
77.00mm
Ex.２
Measure-
ment =
77.35mm
OUTSIDE MICROMETER
◇ Model：MC105-25
◇ Meas. Range：0～25mm
◇ Graduations：0.01mm
◇ Instrument Error：4µm
◇ Accessories：Spanner
How to
Hold
4. Adjust the
Slide
3. Place thumb
on Grip
④
Depth Bar
Depth
４
Reading the Scale
Meas. = Reading Off Main Scale + Vernier
The Vernier Scale is read at the point where the Vernier
graduations align with the Main Scale graduations.
50
30 40
0
10
0 10 20 30 40 50 60 70 80 90
(Measurement shown in figure is 28.05mm)
Main Scale
70 80
（1㎜）
Vernier
（0.05㎜） 0 10 20
Main Scale 70 80
（1㎜）
Vernier
（0.05㎜） 0 10 20
1. Loosen
Lock Screw
2. Lightly
gasp the
Beam
60 70 80 90
0.05mm
50
20 30 40 60 70
0
0.05mm
0 10 20 30 40 50 60 70 80 90 0
100
Reading
90
7 7
＋
77 .00
30 40 50 60 70 80 90 0
100
90
Reading
7 7
＋
77 .35
30 40 50 60 70 80 90 0
100
80
0.0 0
0.3 5