
Read the manual and follow the directions.
・Use of product other than as described in this manual
may cause accident.
Use only for measuring.
・Use for any purpose other than measuring may
damage or wear the instrument. Improper use may
also cause accident.
Handle with Care.
・Do not drop or subject instrument to excessive shock.
Do not place under heavy objects. Improper handling
may cause damage or poor accuracy.
・Do not scratch or mark the body of the gauge.
Avoid using in high electric fields, such as near
fluorescent lights or switching power supplies.
・Incorrect value may be displayed on LCD.
Probe Tip is Sharp-Handle With Care.
・Tip can cause injury.
Remove any dirt or rustproofing from the measuring
surfaces and moving parts before use. Make sure the
hardware is tight and secure.
・Improper preparation may cause measurement errors.
Use and store only in environment meeting the
following conditions:
●Dry location protected from rain, water, and oils.
●Location that is not excessively hot.
●Location protected from use by children and
unauthorized people.
・Use in places contrary to the above may cause damage
to the product resulting in accident or injury.
Do not disassemble or modify.
・Disassembly may damage product or cause accident.
For repair, please contact distributor or place of purchase.
Do not write on instrument with electric engraver.
・Do not engrave instrument body or jaw arm, such as an
ID number with engraver or electric pen.
Indicates risk of personal injury or property damage if not followed.
WARNING
To prevent harm to yourself or others, and to prevent damage to
property, always follow the procedures marked by the following
symbols.
Denotes a prohibition –
You MUST NOT do.
Denotes a requirement –
You MUST do.
SAFETY PRECAUTIONS Please Observe
①Main Beam ・・・・・・・・・・・ Supports LCD Display Unit.
②Lock Screw・・・・・・・・・・・ Tighten to Prevent the Slide and Display from
moving.
③Arm Lock Screw ・・・・・ Fixes the joint between the Arm and Jaw.
(GDG-4F-J1 only)
④Clamp Screw・・・・・・・・・ Secure the sliding Probe Holder in place.
⑤Probe Holder・・・・・・・・・ Holds the Probe.
⑥Jaw・・・・・・・・・・・・・・・・・・・・ Supports the sliding Probe Holder.
Standard straight arm, jointed version for
(GDG-4F-J1 only).
⑦Lock Nut ・・・・・・・・・・・・・・ Tighten to secure the Probe in place.
⑧Probe・・・・・・・・・・・・・・・・・・ Tip is applied to workpiece for measurement.
Tip available in stainless steel, or plastic
(GDG-P-S2 only).
⑨Reference Surface・・・ Measurement is difference between Tip position,
and this surface.
4-point (flat bottom)(GDG-4F-S1・GDG-4F-J1)
3-point
(round)(GDG-3R-S1)
2-point
(round)(GDG-2R-S1)
Flat
(GDG-F-S1)
Plastic version available (GDG-P-S2)
⑩LCD Display・・・・・・・・・・ Displays digital measurement.
⑪Battery Cover
・・・・・・・・・ Open to access battery.
⑫[ZERO]Button
・・・・・・・・・・ When pressed, Display will read "0.00"
⑬[ON/OFF]Button・・・・・ For turning power ON / OFF.
⑭[HOLD]Button ・・・・・・・ When pressed, "HOLD"Icon appears on Display
and measurement will be fixed.
⑮Output Connector・・・・ Measurement value can be outputted to the PC
by connecting BluetoothBOX of the option.
■PART IDENTIFICATION AND FUNCTION
※Model GDG-4F-J1 shown
DIGITAL GAP CALIPER
PRECISION MEASURING TOOLS Model No.
INSTRUCTION MANUAL
Thank you for purchasing the Niigata Seiki Digital Gap Caliper.
This is a precision measuring tool for step height measurements.
●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 dealer or Niigata Seiki.
GDG
-
**
-
**
●Resolution ・・・・・・・・・・・・・・・・・・・・・・ 0.01mm
●Instrument Error・・・・・・・・・・・・・・・・
±
0.03mm
※Not including quantization error
(
±
1count)
●Measurement Range ・・・・・・・・・・
ー
13 to+16mm
●Display ・・・・・・・・・・・・・・・・・・・・・・・・・・ 4 Digit LCD
●Auto Off ・・・・・・・・・・・・・・・・・・・・・・・・・ approx. 20 min.
●Maximum response speed・・・・ Upward... 1.5m/s
Downward ... 0.75 m/s
※Direction as shown in diagram at top
of manual.
●
Operating Temperature Range
・・・ 0°C~40°C
●Storage Temperature Rang ・・・
ー
10°C~60°C
●Power ・・・・・・・・・・・・・・・・・・・・・・・・・・・ (1x )CR 2032 Lithium Battery
●Battery Life ・・・・・・・・・・・・・・・・・・・・・ approx. 2.5 years in normal
use
●Accessory ・・・・・・・・・・・・・・・・・・・・・・ CR 2032 Lithium Battery
(for test)
SPECIFICATIONS
●After use, wipe off any dirt or oil from measuring surfaces, sliding
surfaces, and exterior using a dry cloth and perform rust
prevention treatment.
For rust prevention, lightly apply anti-rust oil, or place in rust
preventive bag.
●Store with Lock Screw slightly loose
If Lock Screw is tightened, expansion due to temperature changes
may cause excessive force which will cause inaccuracy.
●Store in a cool, dry, and dark location in the provided case.
Keep out of direct sunlight and moisture, and please keep secure
from unauthorized personnel.
●Remove battery if Gauge will not be used for a long period of time.
AFTER USE CARE・STORAGE
●[ON/OFF]Button turns power ON / OFF.
●[ZERO]Button sets the display to read "0.00" when pressed.
●[HOLD]Button will fix the display value when pressed.
■Absolute Measurement Mode
①Turn on the Gauge, and loosen the Lock
Screw.
②Position the probe tip for the desired
measurement, and tighten the Clamp
Screw, and the Arm Lock Screw
(Model GDG-4F-J1). (Figure 1.)
③Place the gauge on a flat reference surface,
and slide the tip down for good contact.
Press the [Zero]Button.
(Figure 2.)
Gauge is ready for measurement when
the display reads "0.00 mm"
④Slide the gauge head up and down to
make contact with the surface you want
to measure. (Figure 3.)
※Do not change the position of the
Probe Holder as set in step ②, or the
measurement will not be correct.
■Comparisons Measure Mode
①Turn on the Gauge, and loosen the Lock
Screw.
②Position the Gauge to measure the
Reference surface, and press the [Zero]
Button.
③Next, position the Gauge to measure the
surface for comparison, and the difference
in height with the reference will be
displayed.
■Measurement Precaution
●To prevent error, make sure the Base is not
tilted when making measurements.
(Figure 4.)
HOW TO USE
●If Instrument is not working properly, or if you have any
questions, please contact distributor or place of
purchase.
●Please note, manufacturer is unable to respond to
inquires or provide service directly. Please contact
distributor or place of purchase.
SERVICE
Q. Nothing is displayed on LCD
A. The battery may be running low, please replace
battery with a new one.
Q. With power on, the number on the LCD does not
change as Display Unit is moved.
A. Please reset by removing battery for about
30sec., and then replacing.
Q. Nothing happens when buttons are pressed.
A. Make sure battery is properly inserted.
Q. The characters “MIN”, “MAX”, or “△” are
displayed on LCD.
A. Cycle power, or apply several long presses to
[HOLD]Button. Use as normal once character is
off.
Q. The correct value is not displayed.
A. High humidity may cause dampness. Please dry
off the instrument and use only in dry location.
TROUBLESHOOTING
①Slide cover in direction of arrow.
②Insert battery with (
+
)side
outward.
③Replace battery cover.
●Use care to avoid damaging terminals when inserting
battery.
●Terminals may be broken if battery is pressed straight
down.
●Insert battery at angle, underneath the small hook, as
shown.
Use only CR2032 type
battery.
Notice
INSERTING・REPLACING BATTERY
DIGITAL GAP CALIPER
⑨Reference Surface
⑥Jaw
⑦Lock Nut
⑧Probe
④Clamp Screw
③Arm Lock Screw
(GDG-4F-J1 only)
⑤Probe Holder
①Main Beam
②Lock Screw
⑮Output Connector
⑪Battery Cover
⑬[ON/OFF]Button
⑫[ZERO]Button
⑭[HOLD]Button
⑩LCD Display
※1/8" Nylon Ball Tip
(GDG-P-S2 only)
※1/8" Nylon Ball Tip
(GDG-P-S2 only)
※Stainless Tip SR0.5mm
GDG-4F-S1
4-Point
(Flat)
Stainless Tip
SR 0.5mm
GDG-3R-S1
3-Point
(Round)
GDG-F-S1
Flat
1/8" Nylon
Ball Tip
Model
Base
Arm
Probe
Weight(g)
Stainless TipSR 0.5mm
Straight Jointed
145 150 145 150155
GDG-2R-S1
2-Point
(Round)
150
GDG-P-S2
Plastic
GDG- 4F-J1
4-Point
(Flat)
Figure 4.Figure 4.
Contact
Flat Surface
②ZERO
①Contact
Lock Screw
Clamp Screw
Probe Holder
Battery
Hook
Slide In
Battery
Pressed
Terminals
Battery Cover
Remove
Secure
Figure 3.Figure 3.
Figure 2.
Figure 2.
Figure 1.
Figure 1.
Reference
Surface
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