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0-30mm

JEWELED

SHOCK-PROOF

WDI-3058SP

0.01mm

PP

-(:(/('

6+2&.3522)

:',63

PP

Minimize

10

20

30

80

70

40

90

60

50

0

5

0

25

20

10

15

0-30mm

JEWELED

SHOCK-PROOF

WDI-3058SP

0.01mm

In this manual,        indicates RISK OF 
PERSONAL INJURY OR PROPERTY 
DAMAGE if not followed. The       symbol
indicates something which is PROHIBITED, 
and the       symbol Indicates REQUIRED 
step or necessary condition.

For marking acceptance 
range for Pass/Fail testing.
Shows measurement on                     
Main Scale. rotate Bezel (

to turn.
Pointer indicates Main Scale 
x100
Each division is Main Scale 
x100
For holding and mounting 
Gauge.

Limit Markers ········

  

Pointer (Needle)  ···

Main Scale ············

Revolution Counter ··

    

Rev. Counter Scale ··

Stem ·····················

Shaft moves up and down 
with measurement.
Probe which contacts 
workpiece.
Rotate to turn Main Scale 
(

)

Standard back cover.
Alternate mounting point.
For mounting Gauge.
Accessory back cover for 
mounting Gauge using Lug.

Spindle ····················· 

 

Contact Point ···········

Bezel ························

 

Flat Rear Plate ·········

Lug ···························

Mounting Hole  ·········

Rear Plate with Lug ··

LONG STROKE DIAL GAUGE

Model No.

INSTRUCTION MANUAL

Thank you for purchasing the Niigata Seiki Long Stroke Dial Gauge.
Used with a Magnetic Base or Indicator Stand, this gauge will show the difference in height
or position relative to a zero point set at a reference position.

Comparing to a master part during inspection.

Measuring machine tool positioning accuracy.

Measuring runout for rotary shafts.

Checking vise parallelism on milling machines.

Measuring flatness of surfaces and assemblies.

Confirming machine tool feed distance.

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.

SAFETY NOTIFICATIONS

PROFESSIONAL

PARTS IDENTIFICATION & FUNCTION

APPLICATIONS

Contact Point

(Probe)

Spindle

Stem

Pointer

(Needle)

Bezel

Gauge Holder

Support

Arm

Stem

Model WDI-3058SP shown

Lug

Mounting Hole 
(

š

6.5mm

Rear Plate

With Lug

Flat Rear plate

Limit

Markers

Main Scale

Rev. Counter

Scale

Revolution

Counter

WDI-3058SP

WDI-5058SP

WDI-8058SP

WDI-10078SP

Replacement Contact Point Part No.: DI-CP

WDI-3058SP
WDI-5058SP

 WDI-8058SP
 WDI-10078SP

7

9

11

15

 3.0

 3.5

 4.0

 4.5

1

30

50

80

100

0 -100

Model No.

Scale

g

g

g

g

210

270

290

530

Weight

(For Flat

Rear Plate)

Gradu-

ation

(mm)

Measurement

Range

(mm)

Hysteresis

Error

(

μ

m)

Measuring

Force

(N)

1

Revolution

(mm)

14

15


35

40

50

5

6

1/10 Rev

Indication

Error

(

μ

m)

Indication Error

over the Entire

Measuring

Range

(

μ

m)

SPECIFICATIONS

TROUBLESHOOTING

Remove any dust or dirt after use. 

 Do not lubricate.

Wipe any contamination from Spindle sliding surface using a dry cloth, or cloth moistened with 
alcohol.

To clean other surfaces, wipe with a soft dry cloth, or a cloth moistened with a mild cleaner.

Check for wear of Contact Point.

Measurement accuracy will be affected by worn Contact Point. Regularly check for wear and 
replace Contact Point if worn.

Store in provided case in a cool, dark, and dry location.

During storage, make sure there is no force on the Spindle (such as pushed in, or lateral force.)

Keep away from moisture and direct sunlight, and secure from unauthorized personnel.

Origin position shifts during measurement.

Temperature changes during measurement can cause repeatability error.
Please try the following solutions:

Use in location with constant temperature.

When taking measurements, periodically adjust zero point using a Master reference to correct for 
temperature induced drift.

Measurement is not stable, or measurement accuracy is poor.

Contact Point may be worn.
Worn Contact Point will affect accuracy. Periodically check for wear, and replace if wear is affecting 
measurement accuracy.

AFTER USE CARE, STORAGE

To Use the Rear Plate with Lug, 
unscrew the standard Flat Rear 
Plate screws, replace, and use 
screws to secure.

[Accessories]

SAFETY PRECAUTIONS

PREPARATION - Mounting

Please Observe

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

HOW TO USE - Preparation

Dial gauge must be securely mounted such as on a comparator stand or magnetic base.
Please follow these guidelines.

Read the manual and follow all instructions.

Use of product other than as described in the 
manual may cause accident.

Use only as Indicator Gauge.

Use for any purpose other than measuring may 
damage or wear the instrument. Improper use 
may also cause accident.

Use in an environment which meets the 
following conditions:

Temperature within range of 0~40

°

C, humidity 

30~70%  (non-condensing.)

Location with minimal dust, oil, oil mist, and 
protected from direct sunlight.

Location protected from use by children and 
unauthorized people.

Use in location contrary to the above may cause 
poor accuracy, damage to the product, or may 
result in accident or injury.

Handle With Care.

Do not drop or subject to shock, do not place 
under heavy objects. Damage may cause failure 
or poor accuracy.

Content marked as follows indicates risk of injury or damage if not followed.

These symbols mark content that must be observed.

Caution

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

WARNING

Denotes a prohibition – You MUST NOT do

Denotes a requirement – You MUST do

Do not disassemble or modify.

It may damage Gauge and cause 
poor accuracy 

Do not shock Spindle.

Rapid motion, or lateral force may 
damage Gauge and cause poor 
accuracy.

Make sure Gauge Holder is rigid.

Holder must be sufficiently secure to prevent deflection from 
the weight of the Gauge.

Holder must be rigid enough to hold Gauge and not to lift 
from measurement force.

Holder support arm should be as short as possible to prevent 
deflection.

Deflection or lifting will cause measurement error such as 
origin position error and inaccuracies in measured reading.

Dial Gauge must only be attached by Stem or Rear Lug.

Mounting of gauge by other than Stem or Lug will cause 
inaccuracy and product damage.

During installation, do not over-tighten the Stem.

Excessive force on the Stem may cause Spindle to bind.

No Rapid
Motion

No Lateral
Force

CALIBRATION

1. Confirm that the Contact Point and Rear Cover are tightly fastened.

If loose, tighten Contact Point and Rear Plate Screws.

2. Attach to the Gauge Holder using the Stem or Rear Lug.

Mounting Gauge by other than Stem or Lug will cause inaccuracy and product damage.

3. Confirm that Pointer and Revolution Counter movement is smooth.

Using fingertip, gently press on Contact Point to move the Spindle up and down. Motion of Pointers 
should be smooth. If it is not smooth make sure Stem is not clamped too tight, and adjust. Also make 
sure Pointer is stable at set position.

4. Make sure Spindle axis is perpendicular to 

measured surface.

If Spindle (Contact Point) is not at a right angle to
surface, Gauge will not operate properly and 
measurement will be inaccurate. Always keep the 
Spindle axis perpendicular.

When used to check parallelism of Milling Machine 
vise, use a Magnetic Base to mount the Gauge 
perpendicular to surface, and move it out of the way 
during operation to prevent interference.

HOW TO USE - Comparison Measurements

1. Set Up Reference Part.

Carefully lift Spindle with fingertip, and, taking care 
not to hit Spindle from the side, insert the Reference 
Part or Master under Contact Point.

2. Set the Origin.

Adjust the gauge mount or rotate the Bezel to set the 
Gauge to "0"

3. Remove Reference, and begin measurements.

Remove Reference or Master, careful not to 
shock Spindle. Insert part to be measured and 
read the measurement off the Scale.

 ※

Setting the Limit Markers

Limit Markers can be moved to show acceptance 
range for measurements.

HOW TO USE - Parallelism, Flatness, Runout, etc.

1. Position Contact Point on surface.

Carefully lifting Spindle with fingertip, and taking care not to hit Spindle from the side, position
the surface to be measured under the Contact Point.

2. Set the Origin.

Adjust the gauge mount, or rotate the Bezel to set the Gauge to "0"

3. Read the scale as the measured part is moved.

Slowly move the part while monitoring the Pointer and reading the measurement.

Right

angle

Mounting Example

Pointer

Limit Markers

Ex.) Pass Range:

  

- 0.05  to  +0.15mm

WDI-3058SP

WDI-5058SP

WDI-8058SP

………

š

 8

mm

WDI-10078SP  

……

š

10mm

Measured Object

Measured Object

0.01

Niigata Seiki Co., Ltd.

5-3-14, Tsukanome, Sanjo, Niigata, Japan, 955-0055
Tel. : +81-256-33-5522   Fax. : +81-256-33-5518

MAIL   [email protected]
URL    http://www.niigataseiki.co.jp

In order to maintain instrument accuracy, it is recommended 
that accuracy is confirmed through calibration on a periodic 
basis.

Wear of measuring surfaces from repeated use may affect 
accuracy and periodic accuracy checks should be performed.

We provide calibration services. Please contact 
agent in country of purchase to make arrangements.

Repeat-

ability

(

μ

m)

Summary of Contents for WDI-3058SP

Page 1: ...structions Use of product other than as described in the manual may cause accident Use only as Indicator Gauge Use for any purpose other than measuring may damage or wear the instrument Improper use may also cause accident Use in an environment which meets the following conditions Temperature within range of 0 40 C humidity 30 70 non condensing Location with minimal dust oil oil mist and protected...

Page 2: ...は下記の内容をお守りください 取扱説明書をよく読み 指示に従う 取扱説明書に記載された内容以外での使用は 事故の原因となります 精密比較測定作業にのみ使用する 指定用途以外へのご使用は 製品の破損や磨耗 予測できない事故の原因となります 下記の条件を満たす環境で使用する 温度0 4 0 湿度3 0 7 0 の結露しない場所 埃 油 オイルミストが少なく 直射日光が当たら ない場所 子どもや 使用者以外が近付かない場所 上記に反する場所での使用は 精度不良や製品 の破損 事故やけがの原因となります 本器は大切に取り扱う 落下などの衝撃を与えたり 重量物を乗せたり しないでください 精度不具合や故障 破損の 原因となります 表示内容を無視して 誤った使い方をした時に生じる危害や損害の程度を次の表示で区分しています お守りいただく内容の種類を次の図記号で区分しています 注意 傷害を負う または物...

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