INSTRUCTION MANUAL

Precision
Measuring Tools

Model:

GDCS-150IR

DIGITAL INSIDE GROOVE CALIPER

Thank you for purchasing Niigata Seiki Digital Inside Groove Caliper.
This is a precision measuring tool for measuring inside, outside, step, and depth dimensions. The Inside Jaw is designed formeasuring inside of narrow grooves.
● 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 at the address listed on the following page.

■PARTS IDENTIFICATION& FUNCTION⑩ LCD Display⑨ Lock Screw⑤ Inside Meas.
Surfaces⑮ [HOLD] Button⑯ Output Connector④ Inside Jaws

⑧ Scale⑥ Depth Bar③ Step Meas.
Surfaces⑪ Thumb Wheel⑦ Depth Meas.
Surfaces⑫ B attery C over

② Outside Jaws

⑬ [ZERO] Button⑭ [ON/OFF] Button① Outside Meas.
Surfaces① Outside Meas. Surfaces ·· Position object to be measured between ⑩ LCD Display ············ Displays digital measurement.
these surfaces.
⑪ Thumb Wheel ········· For adjusting position of Display Slide.
② Outside Jaws ·················· For measuring outside dimensions.
⑫ Battery Cover ·········· Cover for CR2032 Lithium battery.
③ Step Meas. Surfaces ······ Measures height of steps.
④ Inside Jaws ····················· For measuring inside dimensions.
⑤ Inside Meas. Surfaces ···· Position surfaces inside object to be measured.

⑬ [ZERO] Button ········· When pressed, Display will read "0.00"⑧ Scale ······························· Supports LCD Display Unit.
⑨ Lock Screw ····················· Tighten to prevent the slide and display
from moving.

⑯ Output Connector ···· Connect to optional Bluetooth Box to sendmeasurements to PC.

⑭ [ON/OFF] Button ····· For turning power ON / OFF.
⑥ Depth Bar ························ For measuring depth.
⑮ [HOLD] Button ········· When pressed, "HOLD" Icon appears⑦ Depth Meas. Surfaces ···· Depth is measured between these two surfaces.
on Display and measurement will be fixed.

SAFETY PRECAUTIONS

Please Observe

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

WARNING:

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.

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.
・ Incorrect value may be displayed on LCD.

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.

Jaw Tips Are Sharp—Handle With Care.
・Careless handling may cause 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, such as an ID
number with engraver or electric pen.

PREPARATION FOR USE

HOW TO USE

Before using the caliper, please follow the steps below:● Wipe off rust proofing and dirt from measuring surfaces and slide.
Contamination of surfaces may cause measurement error.
● Allow the caliper and object to be measured time to reach the sametemperature. A temperature difference between the object to bemeasured and the caliper may cause measurement error. Allow
enough time for the temperatures to equilibrate.

INSERTING ・ REPLACING BATTERY

Notice Use only CR2032 typebattery● Use care to avoid damaging terminals
when inserting battery.

① 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.

■Absolute Measurement Mode

① Loosen the Lock Screw and turn power ON.
② With jaws closed, press the [ZERO] Button.
③ When “0.00mm” is displayed on LCD, Caliper is ready tostart measurement.

■Comparison Measure Mode

① Loosen the Lock Screw and turn power ON.
② With jaws open to desired reference position (any point isOK,) press [ZERO] Button.
③ When “0.00mm” is displayed on LCD, Caliper is ready tostart measurement.

vemoReR① Slide cover in direction of arrow.
② Insert battery with (+) side outward.
③ Replace battery cover.

■Power ON/OFFPlease Note If Jaws are opened beyond maximum position,

Thumb Wheel may come loose. Please use care.

Battery
Cover

AFTER USE CARE・STORAGE● Terminals may be broken if battery is pressed straight down.
● Insert battery at angle, underneath the small hook, as shown.

Battery● Store with Lock Screw loosened.
If stored with Lock Screw tight, expansion due to temperaturechanges may cause excessive force which will cause
inaccuracy.

Pressed Down

HookSlide In
Terminals

Terminals● 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.

Battery

TROUBLESHOOTING
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 theinstrument and use only in dry location.

● 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 Caliper will not be used for a long period oftime.

SPECIFICATIONS● Measurement Range: . . . . . . . . . 0-150mm● Instrument Error: . . . . . . . . . . . . . ±0.03mm※※Not including quantization error (±1 count)● Resolution: . . . . . . . . . . . . . . . . . . 0.01mm● Display: . . . . . . . . . . . . . . . . . . . . . 5 Digit LCD● Auto Off: . . . . . . . . . . . . . . . . . . . . approx. 20 min.
● Maximum Respons Speed: . . . . . . Slide to right. . . 1.5m/s
Slide to left. . . . 0.75m/s※Left/Right as shown in diagram at top of manual.

● Operating Temperature Range: . . . 0°C·40°C● Storage Temperature Range: . . . −10°C·60°C● Power: . . . . . . . . . . . . . . . . . . . . . (1x) CR2032 Lithium Battery● Battery Life: . . . . . . . . . . . . . . . . . . approx. 2.5 years in normal use.
● Accessory: . . . . . . . . . . . . . . . . . . CR2032 Lithium Battery (for test)

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.

Niigata Seiki Co., Ltd.

6­15­22, Tsukanome, Sanjo, Niigata, Japan 955­0055

TEL: +81­256­31­5670 FAX: +81­256­39­7730
MAIL: intl.sales@niigataseiki.co.jp

URL http://www.niigataseiki.co.jp

I363-K1804