Measurement Principle
Uniform collimated lighting with a green LED. Two-dimensional CMOS array detects the light-dark edges in the received light, and measures the dimensions.
Traceable two dimensional inspections in line.
[1] Dual telecentric optical system
Dual telecentric lenses are ensure only collimated light is used for imaging. Even though the distance from the object to the lenses change, the size of the image on the CMOS does not change. High precision measurement is possible.
[2] Pinpoint sub-pixel processing
High speed and high precision are achieved by performing pinpoint extraction and sub-pixel processing on just the contour within the specified measurement area, from the silhouette imaged on the CMOS.
[3] HUD unit + collimator lens
Collimated light is produced without any unevenness by spreading
LED light uniformly across the complete range.
*HUD unit = High Uniform Diffusion unit
[4] High brightness InGaN green LED
A high brightness LED is used, combining three features,
- Even Brightness Distribution
- Resistant to EMF
- Eye Safe
Principle
The optical system using a Green LED, and telecentric lenses apply
uniform LED light onto the target.
This light projects an image on the 2D CMOS and the edges between
the light and dark areas are detected to allow measurement at
multiple points. Moreover, the motor-less structure and longer life
light source provide high durability.
- High-speed 2D Optical Micrometer
- TM-3000 series
