Feature: Sensors
between the capacitor electrodes. Te alternating current is demodulated and output as an analogue signal. Capacitive sensors are designed to measure against any
electrically-conductive surface, even semiconductors. Measurement methods can be one-sided thickness
measurement of electrically non-conductive materials on metallic objects, or two-sided.
Objects breaking the beam create edges or shadowed areas that are used to determine the object size or position. Suitable for measuring diameters, gaps, segments and edges, these sensors can measure any material that breaks or reduces the light received. Measurement methods include one-sided, two- sided, profile, and edge.
2D/3D laser scanners (images above) Laser scanners produce a wide laser line on the target to perform various measuring tasks in industry and automation: profile, width, height, depth, edge, bead, gap, angle, roundness and more. The laser profile scanners of Micro-Epsilon’s
scanCONTROL series have a powerful controller integrated into a compact housing. This calculates the two-dimensional profile of the surface from the intensity values on the CMOS sensor matrix. With the SMART models, profile evaluation is possible directly in the sensor. This means that simple or complex measurement tasks can be performed directly in the scanner and output as a measured value. They are suitable for almost any diffuse material surfaces, e.g., food, metal, plastics, wood, silicon, rubber, and more. Measurement methods include one-sided, two-sided, profile, and edge.
ThruBeam laser micrometers (images right) Optical micrometers are primarily used as part of the manufacturing process and quality control of a production line, measuring continuous material as well as single parts. A wide beam is projected between the transmitter and receiver to create a curtain of light.
26 February 2024
www.electronicsworld.co.uk
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