Models Function

Traditional Profile  Projector

Video Measuring Machine

Machine base and column mate material

Cast iron (unstable due to thermal expansion and

Grade 0 granite (high stability)

Lens light source characteristics

Halogen lamp with single lens (change lens to double lens), short life, long time useHeating causes deformation of the workpiece under test (metal)Materials tend to expand with heat and contract with cold)

It won't get hot.Toothless rod (no wear)

Transmission device

Lead screw (high loss)

Toothless rod (no wear)

Like device

A mirror reflects shadows

High resolution industrial camera

X and Y axis measurement accuracy

（0.005mm）

（0.003mm）

Optical scale resolution

0.001mm

0.001mm

Measuring way

Cross survey

Mouse + automatic capture function measurement

Mode of operation

standing straight forward

sitting down

repetitive

Visual catching point (poor repeatability)

0.003mm

Height measurement function

——

Image height can be measured

The output statements

——

Word，Excel，TXT

Graphic drawing

——

Can be planar projection output CAD software

Measurement system

Digital display device

Software measurement (easy to operate)

Concentricity/position

can't measure

Can measure

Roundness/straightness

can't measure

can measure

Verticality/inclination

can't measure

Can measure

Complex composite

measuremet

can't measure

Can measure

Production year

market background

1970 product/

elimination phase

1990s-present/

projector replacement products