User Manual
DIGITAL INSIDE POINT CALIPERS

Model No.

INSIDE “T” CALIPERS

D-150IT

Thank you for purchasing the INSIDE “T” CALIPERS.
This product is a precision measurement tool designed specifically for point measurement of inside surfaces.
●For safe and proper use of this product, 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.

■Part Identification and Description③ Stylus Tips
⑧ [HOLD] Button⑤ Lock Screw④ Inside Jaw⑥ LCD Display② Outside Jaw⑦ Battery Cover⑪ Scale⑩ [ON/ZERO]
Button⑨ [SET] Button① Measuring Surface
For Outside Measurements④ Inside Jaw...................... For internal measurements.
⑤ Lock Screw .................... Locks the slide unit and LCD.
⑥ LCD Display................... Digitally displays the measured value.
① Measuring Surface…………… Outside measurements performed ⑦ Battery Cover ………….. Cover for Silver Oxide SR44 battery.
between these surfaces.
For Outside Measurements⑧ [HOLD] Button ............... Holds value on display.
② Outside Jaw…………………… For external measurements.
⑨ [SET] Button .................. Switch to Preset Mode.
③ Stylus Tip……………………… Applied to inside surfaces for⑩ [ON/ZERO] Button........... Power ON/OFF, will display preset value.
measurement.
⑪ Scale.............................. Measurement reference for LCD slide.

Safety Precautions

Please Observe

Always follow the proper operating procedures in order to prevent
harm to yourself or others, and to prevent damage to property.

Denotes a “prohibition”:
You MUST NOT do it.

Denotes a “requirement”:
You MUST do it.

Caution Indicates risk of personal injury or property damage if not followed.
Read the instruction manual and follow theinstructions.
・ Use of product other than as described in the 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 force. Do
not place under heavy objects. Improper handling may
cause damage or poor accuracy.
・ Do not scratch instrument.

Avoid using in locations with high electric fields,such as near fluorescent lights or switching power
supplies.
・ May cause erroneous reading to display on LCD.

Use and store only in environment meeting thefollowing conditions.
●Dry location protected from rain, water, and oils.
●Location that does not become hot.
●Location protected from use by children andunauthorized people.
・Use in places contrary to the above may cause
damage to the product resulting in accident or injury.

Jaw Tips Are Sharp -- Handle With Care.
・Careless handling may cause injury.
Do not disassemble or modify.
・Doing so may cause accident or injury. Please contact
distributor or place of purchase for service.

Do not write on instrument with electric engraver.
・Do not engrave instrument or jaw, such as an ID
number with engraver or electric pen.

PREPARATION FOR USE
Preparations to be performed after purchase prior to first use.
・ Please wipe off corrosion protectant with a soft, oiled cloth.
・ Please insert batteries.
①Slide battery cover in directionof arrow.
②Insert battery with (+) side outward.
③Replace battery cover.

For internal measurements, a ring gauge calibration standard
is required to preset the origin value.
（※Ring gauge calibration standard is not included）①Press the [SET] button until “SET” isdisplayed on LCD.

SETPRESSSET⑦ Battery
Cover

POWER ON / OFF②With “SET” displayed, a long press
on the [SET] button switches
selected character position to modify(indicated by character blinking.)②SETSETLONG PRESS③Short press of [SET] button willchange the blinking number.

①Press [ON/ZERO] button to turn on power.

③②To turn off power, press and hold [ON/ZERO] button (approx2 sec.) until power is off.

ON①SETOPEN※Use one SR44 Battery.

ORIGIN PRESETSETSETPRESS④Repeat steps ② , ③ above to set the preset value to the sizeof the calibration standard.

OFF⑤To return blinking “SET” display, press the [SET] button again.

SETSETPRESS

LONG PRESS・ With power on, pressing the [ON/ZERO] button will show thepreset value.
・ With power on, pressing [SET] button toggles the presetmode.
・ Pressing the [HOLD] button will fix the value displayed on theLCD.
・ Sliding the main scale will re-enable the display after it is shut
off from the auto-display-off feature.

TROUBLE SHOOTING
Q. Nothing is displayed, or the numbers are flashing.
A. The battery may be low, please replace battery with anew one.
Q. The number on the LCD does not change, even as
main slide is moved.
A. Please reset by removing battery for about 30sec.,
and then replacing.
Q. Nothing happens when buttons are pressed.
A. Please make sure battery is inserted correctly.

CARE AND STORAGE WHEN NOT IN USE●After use, wipe with soft cloth and store with jaws
slightly open.
If locked in closed position, slight temperature changes may
cause expansion and excessive force which will result inpoor accuracy.
●Store in supplied accessory case in a cool, dry location.
Avoid moisture and direct sunlight, keep secure fromunauthorized personnel.

⑥In measurement mode(“SET” not displayed onLCD,) confirm the setting
by measuring thecalibration standard withthe calipers.

⑥SET25.00

MEASURESETPRESS※Please use calibration standard to check accuracy regularly.

SERVICE●If Instrument is not working properly, or if you have anyquestions, please contact distributor or place of purchase.
●Please note, manufacturer is unable to respond to inquires
or provide service directly. Please contact distributor or placeof purchase.

SPECIFICATIONS
Model No.

D-150IT

Resolution

0.01mmOperatingTemperature 0℃〜40℃
Range

Measurement External : 0-150mm
Range
Internal : 20-170mm

Storage
Temperature -10℃〜60℃
Range
WeightApprox. 230g

PowerSilver Oxide Battery
SR44･1.55V

Auto Display Approx. 5 min.
OffBattery Life

Approx. 1 year
for normal usage

Maximum
Response
Speed

Silver Oxide Battery
Accessories SR44･1.55V(For test) x1

Instrument External : ± 0.05mm
Error
Internal : ± 0.10mm

1.5m/sNiigata seiki Co., Ltd.
6-15-22, Tsukanome, Sanjo, Niigata, Japan, 955-0055
Tel. : +81-256-31-5660 Fax. : +81-256-39-7730

MAIL:intl.sales@niigataseiki.co.jp
URL http://www.niigataseiki.co.jp

I218-K1411