Outside - Measure groove
diameter and thickness of
odd shapes AO BO
Measure deep holes, groove
ID, widths AI BI CI
Easy to carry Fast, one touch operation
Shock proof mechanism Dial clamp
1.6mm ball measuring tip (AI-0, BI-0 have 1mm hardened,
sharp tip. CI-* have 0.6mm hardened knife edge tip)
USE
Outside
Inside
Remove any dust or dirtafteruse.
Donotlubricate.
Wipe any contamination from Arms
and sliding surfaces using a dry cloth,
or cloth moistened with alcohol.
To clean other surfaces, wipe with a
soft dry cloth, or a cloth moistened with
a mild cleaner.
Storein provided case in a cool, dark,
and drylocation.
During storage, make sure there is no
force on the Arms (such as pushed in,
or lateral force.)
Keep away from moisture and direct
sunlight, and secure from unauthorized
personnel.
AFTERUSECARE,STORAGE
AO-*/ BO-*
Inside MeasurementAI -*/ BI -*/ CI -*
Range
Arm
Length
Body Material Steel
units
units
PROFESSIONAL
DIALCALIPER GAUGE
Thank you for purchasing Niigata Seiki Dial Caliper Gauge.
This product is a precision gauge for measuring a dimension at the end of the two arms, either
inside (internal) or on the outside (external) on a workpiece.
Instruction Manual
Model
No.
For safe and proper use, please read this instruction
manual before use and follow the procedures
described. Please keep manual where it is
accessible to user for future reference.
Keep this manual with the instrument if transferred
or leased to a third party.
For inquiries about this product, please contact
distributor or place of purchase.
SAFETY NOTIFICATIONS
SAFETYPRECAUTIONS
Please Observe
To prevent harm to yourself or others, and to prevent damage to property, always follow the
procedures marked with the symbols shown below.
Readthemanual andfollow the directions.
Use of product other than as described in
this manual may cause accident.
Use only for precision measuring.
Use for any purpose other than measuring
may damage or wear the instrument.
Improper use may also cause accident.
Handle withCare.
Do not drop or subject to excessive
shock. Do not place under heavy objects.
Improper handling may cause damage or
poor accuracy.
Procedures are marked to indicate thedegree of harm which could occur if procedure is not followed:
Proceduresnecessaryfor properand safe care are shown with thefollowingsymbols:
WARNING
WARNING Indicates risk of personal injury or property damage if not followed.
Denotes a prohibition – You MUST NOT do
Denotes a requirement – You MUST do
Use inenvironments meeting the following
conditions:
Do not expose to dust, oil, moisture,or
direct sunlight.
Protect from useby children and unauthorized
people.
Use in places contrary to the above may affect
accuracy or cause damage to the product
resulting in accident or injury.
Do not disassemble or modify.
It may damage product or cause accident.
Risk of PERSONAL INJURY or
PROPERTY DAMAGE if not followed.
PROHIBITED action.
REQUIRED step or necessary condition.
FEATURES
1.
2.
3.
Hold the gauge in your hand and squeeze the Lever to
open the Arms.
Set the gauge by measuring a master work piece or
gauge block, and rotating the Bezel to align the dial
face with the Pointer.
Squeeze Lever to open, and insert the part to be
measured. Gently release the Lever and read the Scale
making sure the Arms are positioned to measure the
desired dimension.
Make sure the arms are not tilted with respect to the
axis of the dimension to be measured.
1. Hold the gauge in your hand and press the Button to
open the Arms.
2. Set the gauge by measuring a master work piece or ring
gauge and rotating the Bezel to align the dial face with
the Pointer.
3. With the Button pressed, insert the gauge into the
position to take a measurement. Gently release the
Button and read the Scale.
Lever
Movable
Arm
Fixed Arm
Pointer
OutsideMeasurement
Dial Clamp
Bezel
Model AO-1 shown.
Model AI-2 shown.
Scale
Rev. Counter
Bezel
Dial
Clamp
Movable
Arm
Fixed Arm
Pointer
Push Button
Model
Weight
Gradu-
ation
MODELSPECIFICATIONS
Outside
Measurement
Range
Repeat-
ability
Inside
Outside Japan: Please contact distributor or place of purchase to inquire
aboutcalibrations services.
To maintainmeasurement accuracy,periodic calibrationis recommended.
Wear of measuring surfaces from repeated use may affect accuracy and
periodic accuracy checks should performd.
Model
Weight
Gradu-
ation
Meas.
Range
Repeat-
ability
Scale
Rev. Counter
Accuracy Accuracy
Niigata seiki Co., Ltd.
5-3-14, Tsukanome, Sanjo, Niigata, Japan, 955-0055
Tel. : +81-256-33-5522 Fax. : +81-256-33-5518
URL http://www.niigataseiki.co.jp