SPI DIAL CALIPER Operation Manual

DIAL CALIPERS

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1 Dial Indicator 7 Bezel Clamp Screw

2 Locking Screw 8 Moveable Measuring Jaw

3 Beam 9

Outside Measuring

Surfaces

4

Depth Measuring

Bar

10 Fixed Measuring Jaw

5

Faces Of

Measuring Depth

11 Step Measuring Faces

6 Thumb Roller 12 Inside Measuring Faces

Maintenance Instructions

• Prior to use, clean all surfaces of the beam and measuring faces

with dry and clean cloth.

• Ensure that the dial needle is on the zero point when the jaws

are in a closed position. Inspect the outside measuring jaws to

ensure that no light can be observed between the jaws.

Specifications:

Range Resolution Accuracy +/-

0～150mm / 0～6”

0.01mm or

0.02mm /.001”

0.02mm/.001”

0～200mm / 0～8”

0.03mm/0.0015”

0～200mm / 0 ～ 12”

0.04mm/0.0015”

Method of Reading

A measurement is obtained by adding the graduation from the

beam that lines up with the edge of the slider, to the

measurement indicated by the needle on the dial face.

For example:

Metric

Blade Reading: 50 mm

Dial Reading: 0.48 mm

Total: 50.48 mm

Inch

Blade Reading: 1.9”

Dial Reading: . 087”

Total: 1.987 inch

DIAL CALIPERS

OPERATION MANUAL

SPI 30G17

IMPORTANT NOTICE

Avoid exerting excessive force
when measuring as it may cause an
incorrect reading and deformation
of the measuring jaws.

DIAL CALIPERS

swissprec.com

Operation

• Measuring Force

Avoid excessive measuring force to the work piece as it may cause

an incorrect reading and deformation of the jaws.

L<

Φ

D Measuring Force

• Outside Measurement

Contact the surface of the work piece with the outside measuring

jaws.

Outside Measurement

• Inside Measurement

Contact the surface of the work piece with the inside measuring

jaws.

• Depth Measurement

Place the end of the beam onto the work piece and extend the slider

until the depth bar comes in contact with the bottom of the depth
feature.

Depth Measurement

• Step Measurement

Open the slider of the caliper. Place the step measuring surface of the

beam onto the feature.

Move the slider towards the work piece until the slider portion of the

step measuring surface comes in contact with the feature.

Step Measurement