PRECITEC LR Optical Sensor

Optical sensor for ultra-precision surfaces

Precitec-S
Offering excellent measurement quality for a range of challenging surface contours and material types, the PRECITEC Lateral Resolution (LR) optical sensor is a versatile white light laser inspection solution for a huge number of industrial applications including roughness and layer thickness measurements.
 

Adding a non-contact sensor option to the tactile probing and scanning functionality of coordinate measuring machines (CMMs), the PRECITEC LR can be automatically exchanged with tactile probes as part of a multisensor setup for a more complete measurement solution.

The PRECITEC LR is a highly-accurate optical sensor which uses focused white light to take measurements on even the most complex surfaces, including matte, reflective and coated surfaces, plastics, glass and other transparent materials.

When tactile measuring technology reaches its limits, optical sensors can take over. Optimised for use with the ultra-precision Leitz PMM-C, Leitz Ultra or Leitz Infinity CMMs, the PRECITEC LR optical sensor is particularly accurate at the submicron level. With a large acceptance angle, the sensor is ideally suited to inspecting heavily-inclined surfaces while the non-contact measurement method is perfect for fragile parts.

 

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Effective on many surface types
The PRECITEC LR provides ultra-precision measurement results independent of the type of surface, enabling inspection of dispersive, reflective, oblique, curved and aspherical surfaces.

High axial resolution
Excellent longitudinal resolution ensures good quality measurement of complex structures and freeform workpieces.

Non-contact inspection method
Touch-free measurement allows the inspection of sensitive and soft materials with no risk of scratching or damage to the workpiece surface.

Large acceptance angle
Measurement angle of 90° ± 40° allows the measurement of heavily-inclined surfaces for better part accessibility and program efficiency.

Small spot diameter
A 1.4 μm spot diameter provides high lateral resolution and enables the sensor to support optical roughness measurement.

Supports full measurement range
The measuring range of the PRECITEC LR sensor corresponds to the measuring range of the CMM, giving it the ability to measure even very large and heavy parts.

Seamless multisensor integration
With no differences in handling compared to a tactile sensor and automatic switches between the two methods possible within a measuring process, there is no additional operator burden.

 Beam direction  0° and 90°
 Measurement range  100 μm
 Measuring distance  6.5 mm
 Resolution in Z  3 nm
 Spot diameter  1.4 μm
 Lateral resolution  0.7 μm
 Numeric aperature  0.66
 Laser class  1
 Measuring angle  Up to 90° ± 40°
 Dimensions  L = 158 mm
 D = 30 mm
 Software  QUINDOS
Precitec LR Brochure
Leitz Pathfinder brochure

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