Optical micrometer boasts high accuracy
A
Keyence (UK) product story
Edited by the Engineeringtalk editorial team
Nov 3, 2008
The Keyence LS-7010 optical micrometer system provides a resolution of 0.01um with a repeatability of +/- 0.06um, two times the accuracy of conventional micrometers.
The LS-7010 samples targets at a rate of 2,400 samples/sec, double the speed of conventional systems.
The system does not use motors or rotating prism mechanisms.
The Keyence micrometer incorporates a high-intensity, low-noise GaN LED light source to produce a continuous 6mm-wide beam with no gaps in target detection due to beam scanning.
Combined with a HL-CCD (High Speed Linear CCD), this technology offers an increase in measurement speed and accuracy.
LS Series optical micrometers are available with beam widths of 30, 40, 60 and 120mm.
The 520nm wavelength of the GaN LED closely matches the operating characteristics of the GCD receiver element.
Additional features include a telecentric optical system that uses parallel light to form an image, thus preventing fluctuations in lens magnification due to variations in target position.
The IP-64-rated construction makes the LS-7010 capable of operating in harsh, wet production and assembly type environments.
The unit incorporates an abnormal value elimination function for increased measurement accuracy and a transparent object measurement function for transparent targets.
With no moving parts in the LS-7010 sensor head, no heat or vibration is generated to introduce measurement errors or affect sampling speed.
The LS micrometer is suitable for the in-line diameter monitoring and production control of fine wire, fibre optic filaments, small diameter tubing, and even transparent glass fibres.
A CMOS camera mounted in the receiver head provides an image of the target on the Target Viewer section of the LS-7601 controller.
Users can accurately position the target in the beam for precise measurement.
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