BRAND-NEW
Contactless and Precise Roughness Measurement in the Lab or Directly in The Production Process
W
hether a surface must be
The vertical transport of the measuring
exceeded. To reach a vast scope of
very smooth or show a
head uses an ultrasonic instead of a
tasks from roughness analysis to
certain texture or degree
common piezo drive. Thus, while combining
imaging the exact shape of whole
of roughness, the new Surface
speed with a high resolution, the usual
products such as screws or tooth
Roughness Analyzer – SRA precisely
height range of the measurement is widely
implants, lenses with magnifications from 2.5 to 100-fold can be
pictures the topographic condition of for optimizing the material or
exchanged quickly and easily.
© KRÜSS
a surface and provides information
Measuring head for robotic systems – ready for in-line quality control
production process. Contactless, quickly, and with an extremely high resolution, the SRA delivers a 3D image of a sample surface and the correlating data which exactly
With its small size and low weight,
describe its topography. Analyses
the SRA can be used at almost any
with the SRA also help to evaluate
place as a lab instrument, but is also
the contribution of roughness to
available as a measuring head to be
the wettability of a sample or to the
used for automatic processes
adhesion of coatings.
in the production line. This makes real-time sample
Technical innovations for precision and speed
evaluations for QC checks of work pieces possible. Adding to the versatility of
The SRA uses the confocal microscopy technique to create the
the SRA itself, the software
spatial representation of the surface.
can be linked to programs such as Matlab® in order
This happens by stacking layers of 2D images, each one with a very small
to integrate it in information
depth of focus, while lowering the
systems.
optics with extremely tiny increments,
The Surface Roughness
leading to a height resolution of
Analyzer – SRA is immediately
down to 10 nanometers.
available. KRÜSS will also present
To scan an area of the sample, usual
the instrument together with
confocal microscopes use a rotating
other solutions in the area of
pinhole disk to create an image at
non-destructive surface analysis
each height level. The disk inside
at the Control trade fair from
the SRA has micro lenses instead of
May 7 to 10 in Stuttgart
just holes, increasing the light yield and making it possible to analyze low-reflectivity or even transparent surfaces.
22
N. 56 - MARCH/APRIL 2019 - international PAINT&COATING magazine
Figure 1: The new Surface Roughness Analyzer – SRA precisely pictures the topographic condition of a surface and provides information for optimizing the material or production process.
(Germany): Hall 6, Stand 6419. For further information: www.kruss-scientific.com