S-LINE 3-POINT INTERNAL MICROMETER

INSTRUCTION MANUAL
Model No. : MC-****IPS <combined>

Thank you for purchasing the S-Line 3-Point Internal Micrometer.
Please read this manual thoroughly before use for proper operation. Ring gauge calibration standard is not included; forzero-setting, please prepare appropriate ring gauge as required by the instrument’s measurement range.

FEATURES● 3 Point ID measurement for most accurate ID measurements possible.

SPECIFICATIONS

Measurement Range(mm)● Resolution：0.005mm

6 〜 88 〜 1010 〜 12.5
12.5 〜 16
16 〜 2020 〜 2525 〜 35
35 〜 50

MC-0608IPS
MC-0810IPS
MC-10125IPS
MC-12516IPS
MC-1620IPS
MC-2025IPS
MC-2535IPS
MC-3550IPS● Accuracy：4µm● Operating Temperature range：15〜40℃● Storage Temperature range：0〜50℃

Measuring Part Material

Alloy Steel Tip

Carbide Tip

PART IDENTIFICATION
ThimbleSleeve

２０１６Probe tips

Ratchet Stop
(Constant Force Mechanism)【ACCESSORIES】

４５０

１６−２０ｍｍ・Allen Wrench

５Rod・ Key
※Included. Used to adjust forwear of micrometer screw.

Gauge Head0-Point Adjustment Screw

Scale Reference LineREADING THE SCALE(Ring gauge calibration standard is not included.)

CAUTION● Always remove dirt from measuring surfaces with a cloth■Resolution = 0.005mm

Example -- MC-1620IPS

before use.
● Do not turn spindle more than 0.5mm above upper

Thimble Scale

Sleeve Scalemeasurement range.

２０１６● If Probe tips do not return after thimble is loosened, please

４５０５

use hand in dust free glove to push in.
● This is a precision instrument, handle with care. Do not dropor subject to excessive forces.
● Please do not disassemble or modify.
● Keep instrument away from direct sunlight or hightemperatures such as in a car, or near a stove or heat source.
● Remove dust and cutting chips after use and apply rust

Sleeve Scale Reading：１６．０
Thimble Scale Reading：．０１５
Reading：１６．０１５（mm）

preventative oil to metallic surfaces. Please keep out of reachof children.
● Please do not use organic solvents to clean the body of theinstrument.
● Keep instrument away from water and oil.
● Only use as directed. Improper use may cause accident orinjury.

Reverse Side -- How to Use →ZERO-POINT SETTING※Use ring gauge appropriate for instrument measuring range.

Ratchet Stop

③Determine if the micrometer reading from the spindle scale
and thimble matches the size of the ring gauge calibration
standard.
④If they do not match, without moving thimble from position set
in step ② above, perform the following procedure.

Locking the Thimble

5Sleeve

Allen Wrench

0５45

Thimble２０１６Loosen

Ratchet Stop

Thimble Moves Again
5

Adjust thimble to matchvalue of ring gauge

0Please determine if thescale reading matches thering gauge size.

１６−２０ｍｍ0-Point
Adjustment Screw2)Using the Allen Wrench, loosen
the screw above the ratchet stop
until the thimble is able to moveagain. Turn the thimble to adjust
the reading to the proper setting.

45０Allen Wrench

Tighten“Click, Click”

４５0-Point
Adjustment Screw
51)Tighten the 0-point adjustment
screw using the supplied Allen
Wrench to prevent the thimblefrom turning.

0①Prepare instrument and ring gauge for calibration by cleaningmeasurement head and ring gauge inner diameter withappropriate cleaner.
②Insert the measurement head into the ring gauge and turnspindle until the measuring surfaces make contact with theinside of the ring gauge. Continue turning until ratchet stop
“clicks” 1~3 times.

Ring Gauge
Calibration Standard(example) 16.005mm3)Tighten the screw above the ratchet stop, then loosen the0-point adjustment screw. Zero-point setting is now
complete.

MICROMETER SCREW WEAR ADJUSTMENTOPERATION①Remove any grease and dust fromthe measuring surfaces with a clean
cloth, such as a lens cleaning cloth.
Make sure no foreign objects areadhered to the surfaces.
50Key

２０１６Tighten

４５０１６−２０ｍｍ

Inser t１６−２０ｍｍ③Read the measured value following
the “Reading the Scale” procedureabove.

45②Insert the Gauge head into
object to be measured and turnspindle until the measuring surfaces
make contact with the inside
diameter. Continue turning until
ratchet stop “clicks” 1~3 times.

“Click, Click”

Wear on the micrometer screw in the sleeve will affect accuracyof the measurement. Please adjust using the key provide asrequired.
①Remove the thimble by rotating as shown.
②Insert the key into the notches in the exposed brass nut.
③Rotate the key in the clockwise direction a little at a time.
(Over-tightening will make the thimble hard to turn)

５Sleeve

NutThimble

RemoveObject To Be Measured④Replace thimble and then perform the zero-point setting
procedure described above.

TROUBLESHOOTINGERROR CONDITION
Measured value is wrong

Probe tips do not return

CORRECTIVE ACTION
Clean measuring surfaces with cloth.
● Check to insure zero-point is correct. Please reset zero-point.
● If micrometer nut seems worn, please adjust using the above
procedure.
●●Please use hand in dust free glove to push in.

※If issue does not resolve, 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.
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

I215-K1411