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Factors to consider when selecting non-contact colour measurement sensors

There are several key factors that need to be considered before purchasing or specifying a non-contact colour sensor, says Stephen Smith



Comparing blue and red laser triangulation sensors

Although red laser triangulation displacement sensors have been in use for more than 20 years, blue laser versions are also now available. Before selecting which colour to use, it is important to understand which type performs best on which target materials, says Chris Jones



Precise thickness measurement using laser displacement sensors

If measurements from two non-contact laser displacement sensors are evaluated together, the thickness of an object can be determined. However, the accuracy of thickness measurements is determined by a number of important factors and not just linearity, says Chris Jones



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