INSTRUCTION MANUAL

Precision Measuring Tool

ModelNo.

GDCS-25STG

DIGITAL MINI DEPTH GAUGE

Thank you for purchasing Niigata Seiki Digital Mini Depth Gauge.
This product is a digital instrument for measuring depth.
● For safe and proper use of this product, please read this instruction manual before use and follow the procedures described.
Keep this manual with the instrument 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 at the address listed on the following page.

■PARTS IDENTIFICATION& FUNCTION③ LCD Display④Lock Screw⑤[HOLD] Button⑥Output Port
⑩ Scale② Probemm① Base⑦BatteryCover⑧[ZERO] Button⑨[ON/OFF] Button① Base ···················· Reference surface placed on face of workpiece.
② Probe ··················· Insert into groove to measure depth.
③ LCD Display ········ Displays digital measurement.

④ Lock Screw ·········· Tighten to prevent the slide and display frommoving.
⑤ [HOLD] Button ····· When pressed, "HOLD"Icon appears on
Display and measurement will be fixed.

SAFETY PRECAUTIONS⑧ [ZERO] Button ··········· When pressed, Display will read "0.00"⑨ [ON/OFF] Button ······· For turning power ON / OFF.
⑨⑩ Scale ························· Supports LCD Display Unit.

Please Observe

To prevent harm to yourself or others, and to prevent damage toproperty, always follow the procedures marked by the following symbols.

WARNING:⑥ Output Port ················ Connect to optional Bluetooth Box tosend measurements to PC.
⑦ Battery Cover ············ Open to access battery.

Denotes a prohibition –You MUST NOT do

Denotes a requirement –You MUST do

Indicates risk of personal injury or property damage if not followed.

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 orwear the instrument. Improper use may also cause accident.

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 unauthorizedpeople.

・Use in places contrary to the above may cause damage tothe product resulting in accident or injury.

Handle with Care.

・Do not drop or subject instrument to excessive shock. Do notplace under heavy objects. Improper handling may cause
damage or poor accuracy.
・ Do not scratch instrument, for example by writing ID number.

Avoid using in high electric fields, such as nearfluorescent lights or switching power supplies.

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, such as an ID
number with engraver or electric pen.

・ Incorrect value may be displayed on LCD

PREPARATION FOR USE● Wipe off oil, rust proofing, and dirt from measuring surfaces
and scale.
Contamination of surfaces may cause measurement error.

Please follow the steps below before use● Allow the gauge and object to be measured time to reach thesame temperature.
A temperature difference between the object to be measured and the gauge
may cause measurement error. Allow time for the temperatures to equilibrate.

INSERTING ・ REPLACING BATTERYHOW TO USE■Power ON/OFF① To turn on, press the [ON/OFF] Button.
② To turn off, press the [ON/OFF] Button.
③ With power on, press the [HOLD] Button to fix the value on the display.

vemoRebattery■Absolute Measurement

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.

① Turn on power, and loosen the Lock Screw.
② Place the Base on a flat surface, and push down the Scale.
When the Probe contacts the surface, press the [ZERO] Button. (Fig. 1)
The Display will read "0.00mm" and it is ready for measurements.
③ When placed on workpiece with Scale lowered into groove, thedepth of the groove will be displayed. (Fig. 2)

mmPressed Down

HookSlide In

TROUBLESHOOTINGQ. 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.

[ZERO]Button
Base

BatteryFlat Surface

ProbeWorkpiece■Comparative Measurement① Turn on power, and loosen the Lock Screw.
② Place the Base on the Reference Part, and push down on theScale so that the Probe contacts the bottom of the Groove,then press the [ZERO] Button. (Fig. 3)
The Display will read "0.00mm" and it is ready for measurements.
③ When placed on workpiece with Probe in the groove, the change
in depth relative to the Reference Part will be displayed. (Fig. 4)（Fig. 3）（Fig. 4）mmTerminals
Terminals（Fig. 2）Push

Scale

Push

（Fig. 1）
Batterymm

Notice Use only CR2032 type[ZERO]
Buttonmm① Slide cover in direction of arrow.
② Insert battery with (+) side outward.
③ Replace battery cover.

A. High humidity may cause dampness. Please dry off the instrument
and use only in dry location.

Difference in
Depth relative
to Reference
Workpiece

SERVICE● 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.

SPECIFICATIONS● Measurement Range . . . . 0 - 25mm
● Instrument Error . . . . . . . . ±0.02mm※ Not including quantization error (±1 count)● Resolution . . . . . . . . . . . . . 0.01mm● Display . . . . . . . . . . . . . . . . 4 Digit LCD● Auto Off . . . . . . . . . . . . . . . approx. 20 min.
● Max. response speed . . . . Slide to Right ....1.5m/s
Slide to Left ......0.75m/s※Left/Right as shown in diagram at top of manual.

● Operating Temp. Range . .

0°C ~ 40°C

● Storage Temp. Range . . −10°C ~ 60°C
● Power . . . . . . . . . . . . . . . . (1x) CR2032 Lithium Battery● Battery Life . . . . . . . . . . . . approx. 2.5 years in normal use.
● Accessory . . . . . . . . . . . . . CR2032 Lithium Battery (1x, for test)

Reference Piece

Workpiece

AFTER USE CARE・STORAGE● 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 rustpreventive bag.
● Store with Lock Screw loosened.
If stored with Lock Screw tight, expansion due to temperaturechanges 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 Instrument will not be used for a long
period of time.

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

E1120-Q1 19101000