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optoNCDT LL

Sensors with small laser line (LL) for rough and reflecting surfaces

Laser sensors for metals and rough surfaces

The optoNCDT LL laser sensors produce an oval-shaped light spot of just a few millimeters in width which reminds of a short "laser line" (LL). This oval light spot compensates for inhomogeneous surface structures and the so-called "speckling" effect which particularly occurs with metallic surfaces. Combined with special software algorithms, interferences caused by surface roughness, defects, indentations or holes are filtered out. This enables stable and precise measurement results.

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Reliable measurements on structured and metallic surfaces

Measurement on structured and metallic surfaces
The optoNCDT LL laser sensors operate with an oval-shaped light spot which reminds of a small laser line. They are used for static and dynamic distance measurements on rough and structured surfaces, on metals and measuring objects where the laser penetrates the material.

The optoNCDT LL laser sensors are available in several series with different measuring ranges, measuring rates and accuracies. They are used for precise distance measurements on structured surfaces, i.e. when the distance to the surface and not the structure itself needs to be measured. For fine details and surface structures, the optoNCDT sensors with a point-shaped laser and the Blue Laser sensors are the preferred choice.

Interface and signal processing units

Dual Processing Unit
IF2001/USB
IF2004/USB
IF2008/PCIE
IF2035 for Industrial Ethernet

Smart laser sensor for shiny metallic objects

The compact optoNCDT 1420 LL laser sensors are designed for measurements of shiny metallic and rough surfaces. The oval light spot, which resembles a short laser line, can better compensate for unevenness such as texture and roughness. Special software algorithms filter out interference caused by surface roughness, defects, depressions or the smallest holes.

Characteristics
  1. Laser sensor with special lens with oval light spot (short laser line)
  2. Precise measurement on metal surfaces and structured surfaces
  3. Active Surface Compensation for changing surfaces (ASC)
  4. Integrated controller
  5. Measuring range (mm): 10 | 25 | 50
  6. Linearity from 8 µm
  7. Adjustable measuring rate up to 8 kHz
  8. Digital interface (integrated): RS422 (16 bit)
  9. Digital interfaces (optional connection via interface module): PROFINET, EtherNet/IP, EtherCAT
  10. Scalable analog output
  11. Robust aluminum housing with IP67
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Compact laser sensor for shiny metallic objects

optoNCDT 1900 LL laser sensors are designed for the measurement of shiny metallic and rough surfaces. Their small laser line enables precise measurement results with shiny metallic surfaces and structured objects. Due to their extremely compact size, the sensors can also be integrated into restricted installation spaces.

Characteristics
  1. Laser sensor with special lens and oval light spot (small laser line)
  2. Ideal for static and dynamic distance measurements on metals, structured surfaces and measuring objects where the laser beam penetrates
  3. Compact sensor design with integrated controller
  4. High resistance to ambient light
  5. Measuring ranges (mm): 2 | 6 | 10 | 25 | 50
  6. Linearity from 1 µm
  7. Repeatability 0.1 µm
  8. Adjustable measuring rate up to 10 kHz
  9. Interfaces: analog output, RS422, PROFINET, Ethernet/IP, EtherCAT
  10. Advanced Surface Compensation for surfaces with changing reflections
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Highly dynamic laser sensor for shiny metallic objects

Instead of a common laser point, optoNCDT 2300LL laser sensors project a very small laser line onto the target surface. This laser line makes the optoNCDT 2300LL particularly suitable for precise displacement and distance measurements both on shiny, porous and rough surfaces. The high measuring rate up to 49 kHz enables reliable measurements in high speed processes. Parameter setting of the laser sensor is via a web interface that is addressed via an Ethernet interface. This web interface offers many features for the evaluation and processing of measured values and signals.

Characteristics
  1. Laser sensor with special lens and oval light spot (small laser line)
  2. Ideal for static and dynamic distance measurements on metals, structured surfaces and measuring objects where the laser beam penetrates
  3. Integrated controller
  4. Measuring ranges (mm): 2 | 10 | 20 | 50
  5. Linearity from 0.6 µm
  6. Resolution max. 0.03 µm
  7. Adjustable measuring rate up to 49.140 kHz
  8. Advanced Real-Time-Surface-Compensation (A-RTSC)
  9. Interfaces: Ethernet, EtherCAT, RS422, Profinet, EtherNet/IP, analog output (via C-Box)
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