SPI DIAL CALIPER User manual

DIAL CALIPERS
swissprec.com
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.
Inside Measurement
• 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