INSTRUCTION MANUALVERNIER HEIGHT GAUGE with KAIDAN SCALE

Model No. : VHK-20KDS / VHK-30KDS <combined>

Thank you for purchasing the VERNIER HEIGHT GAUGE with KAIDAN SCALE.
Please read this manual thoroughly before use for proper operation.

PART IDENTIFICATIONAPPLICATIONS AND FEATURES

Main Scale Support※Illustration based on VHK-20KDS, there will
be some difference for VHK-30KDS.

● Ideal for marking and measuring work for molds, jigs, andtooling.
● Easy to read 1mm Kaidan (stepped) scale.
● “Dot” markers every 2mm allows for quick reading ofscale.
● Decimal points on vernier scale make it easier to read
together with main scale.
● Easy to read scale using 3x magnifying lens.
● Carbide tipped scribe.
● Made of stainless steel for rust protection.
● Dial Indicator mounting arm accepts φ6mm, φ8mm,anddovetail type indicators.

Main Scale Lock Screws
Feed Screw【ACCESSORIES】

Dial Indicator Holder
Indicator Clamp Screw
φ6mm Mounting Hole

Post

Dovetail
Main ScaleIndicator
Mounting Arm
φ8mm
Mounting Hole

Fine Adjust Lock Screw※

Measuring Range

Fine Adjust
Lock Screw
VHK-30KDS

SPECIFICATIONSFine Adjust Carriage

Fine AdjustFeed Screw

Lens
Support

VHK-30KDS

200300Graduation

Slide Carriage
Lock Screw※

Accuracy

±0.05

±0.04

Slide Carriage Fine
Adjustment Range

approx. 8approx. 8

Magnifier Lens

Accessories

Jaw
Vernier Scale

ScribeVHK-20KDS

Slide Carriage

Scribe Clamp Screw※
Scribe Clamp（Units：mm）

0.050.02

・Dial Indicator Holder
・Scribe ・Scribe Clamp
・Magnifier Lens

NOTES
・Before using for the first time, please wipe off the corrosion
protectant with an oiled cloth.
・This is a precision instrument, handle with care. Do notdrop or subject to excessive forces.
・Please avoid damage to post. Also, do not scratch
instrument, for example by writing ID number.
・Keep away from direct sunlight. Do not store instrument inextreme temperatures.

Base
Replacement Scribe (sold separately)SVH-1520※Product ships with decorative green plastic washers.
These may be removed by customer if desired.

Base Reference PlaneOPERATION
１ Mounting the Magnifying Lens

３ Dial Indicator Holder

Slide the magnifying lens
onto the lens support fromthe top, with the support
inside the mounting groove.

The supplied dial indicator holder can be used in place of the scribe tomount a dial indicator (sold separately).

Lens Support
Mounting Groove
Magnifier２ Installing the Scribe
1. Loosen the scribe clamp screw and insert the scribe
into the scribe clamp.（Figure : ① ）2. After inserting the scribe, adjust to desired overhang
and tighten clamp screw.（Figure : ② ）Scribe Clamp Screw
Scribe Clamp

Jaw

1. Attach the dial indicator (sold separately) to the dial indicator holder.
Secure by tightening clamp screw.
2. Loosen the scribe clamp screw and insert the holder arm into thescribe clamp in place of the scribe.
3. After inserting the dial indicator holder, adjust to desired overhang andtighten clamp screw.
Dial Indicator (Sold Separately)

Example Shown：SK P/N WTI-8038①Indicator
Clamp Screw

ScribeScribe Clamp Screw
ScribeOverhang Adjustment②ScribeClamp Screw

Dial Indicator
HolderIndicator
Mounting Arm

Jaw
Scribe Clamp

Reverse Side -- How to Use →※Illustration based on VHK-20KDS,
there will be some difference for VHK-30KDS.

ZERO-POINT SETTING

１ Set Scribe to Surface Plate Surface２ Using a Block Gauge

1. Remove any contamination and clean the surface plate, gaugebase, and scribe reference surface.
2. Lower the scribe and bring the reference plane into good
contact with the surface plate.
3. Check the indicated value, if reading is zero, then thezero-point setting is complete.

1. Remove any contamination and clean the surface plate, gaugebase, gauge block and scribe reference surface.
2. With the gauge block on the surface plate, bring the scribereference surface into good contact with the gauge block.
3. Check the indicated value, if reading matches the gauge block
size, then the zero-point setting is complete.

Matching Zero-Points

Measured value matchesgauge block size

ScribeBaseBase
ScribeMeasuring Surface

Measuring Surface

Surface Plate

30mmGaugeblock

Surface Plate

Reference Plane

３ Zero-Point Alignment (Adjusting The Main Scale)
1. Loosen the slide carriage lock screws and insure that themeasuring plane of the scribe makes good contact with thesurface plate.
2. Loosen both of the main scale lock screws at the rear of thepost.
3. Move main scale vertically to perform rough adjustment of thezero points.
4. Tighten the upper lock screw to anchor the scale support.
5. Perform fine adjustment by turning the fine adjust feed screw
while monitoring the 0-point on the main and vernier scale.
6. When 0-Points match, tighten the lower main scale lock screw
to fix the scale in place.
Matching Zero-Points.

Reference Plane

SLIDE CARRIAGE OPERATION
１ Fine Adjust Feed Operation
1. Tighten the fine adjust lock screw, and loosen the slide carriage
lock screw.
2. Turn the fine adjust feed screw to attain the desired heightsetting.

３Turn

１Fine Adjust
Feed Screw

Fine Adjust
Lock Screw

Fine Adjust
Lock Screw

VHK-30KDS

４

１Tighten

Tighten２Slide Carriage Up and Down

LoosenSlide Carriage
Lock Screw

Main Scale Support
Feed Screw

Main Scale

２Main Scale
Lock Screws

２ How to Read the Scale

１

As with vernier calipers, the scale is read off the main scale andoff the vernier scale at the point where the lines match.

LoosenAdjust Scale Position

Slide Carriage
Lock Screw＜EXAMPLE＞

Graduation : 0.05mm(VHK-20KDS)
Vernier Scale Main Scale

Properalignment

Vernier Scale

３

Graduation : 0.02mm(VHK-30KDS)
Vernier Scale Main Scale

Properalignment

Match Zero-Points

ScribeSurface Plate

Main Scale Reading : ８１．００
Vernier Scale Reading :．４５
Reading : ８１．４５(mm)Main Scale Reading : ８１．００
Vernier Scale Reading :．４６
Reading : ８１．４６(mm)SERVICE●If height gauge 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.

I222-K21911