text.skipToContent text.skipToNavigation
weCat3D – The Technology

weCat3D – The Technology

The 2D/3D profile sensors in the weCat3D series deliver millions of measuring points per second with micrometer-accurate resolution in Z. Available in two performance classes, measuring ranges from a few millimeters to over one meter are possible and output rates of several thousand hertz are achieved.

weCat3D MLSL

The weCat3D MLSL is distinguished by its minimal weight of just 300 g and a space-saving housing (90 x 36 x 64 mm). Up to 3.6 million measuring points per second, an output rate of up to 4,000 Hz, and highly precise resolution (up to 22 µm in measuring range X and up to 3.3 µm in working distance Z) deliver outstanding performance.

weCat3D MLWL

weCat3D MLWL impresses with globally unique performance indicators: Up to 12 million measuring points per second, an output rate of up to 6,000 Hz, measuring ranges between 30 and 1,300 mm and maximum resolutions (up to 17 µm in the measuring range X and up to 2.0 µm in the working distance Z) impressively demonstrate the breathtaking performance and precision of this product range.

Excellence in Three Dimensions


Convincing Diversity.

  • More than 80 weCat3D models
  • 2 performance classes: MLSL and MLWL
  • 5 selectable measuring ranges
  • 4 selectable laser classes (1, 2M, 3R, 3B)
  • 2 selectable light sources (red, blue)

Inspiring Technology.

  • Optimized algorithms – for black and glossy surfaces as well
  • 3.6 to 12 million measuring points per second
  • Real-time signal processing by means of integrated FPGA technology
  • 4 inputs/outputs
  • Integrated website for profile configuration
  • Highly reliable even with changing colors and ambient light
  • Integrated CPU without additional controller

Fascinating Interfaces and Software.

  • GigE Vision standard via software module for Halcon or LabVIEW
  • Open interfaces with DLL for customer software in C++, C# or Visual Basic
  • Future-proof thanks to RS-422/TTL encoder and standard HTL encoder
  • Ethernet TCP/IP from 100 Mbit/s up to 1 Gbit/s
  • Settings can be changed quickly thanks to the memory function
  • Uniform connection concept throughout the entire portfolio

Simple Operation and Support.

  • Intuitive OLED display
  • Multilingual operation
  • Highly flexible thanks to adaptable protective screens and cooling units
  • Worldwide support

Laser Triangulation –
How weCat3D Works

The 2D/3D profile sensors included in the weCat3D series work with the laser triangulation measuring method. A laser line is projected onto the object to be measured. The camera integrated into the sensor records this line via the triangulation angle. The sensor is thus capable of generating a precise height profile. Stringing these 2D profiles together makes it possible to generate a 3D point cloud.

weCat3D sensors are available with red or blue laser light in laser classes 1, 2M, 3R and 3B.

1) Laser line
2) Object
3) Integrated camera
4) Triangulation angle

Highest Performance in Detail

The weCat3D series provides a high dynamic range practically regardless of the object’s color and brightness.
weCat3D sensors generate powerful measurement signals, even in the case of reflective surfaces such as metals.
weCat3D sensors reliably detect even the smallest components thanks to extremely high resolution in working distance Z and measuring range X.
The 2D/3D profile sensors included in the weCat3D series deliver reliable measured values for metallic and glossy surfaces.
In addition to the 3D data, simultaneous acquisition of signal strength by weCat3D sensors permits the generation of high-contrast gray tone images. Amongst other things, these can be used for the detection of data matrix codes and barcodes or contamination on objects – without any additional hardware.

One Product Range, Two Power Classes and Thousands of Solutions

Product Comparison