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SPEED & LENGTH MEASUREMENT
InteliSENS® SL-MID Series

Operating principle – Laser surface velocimeter 

Proton Products InteliSENS® SL-MID series speed and length gauges illuminate the measured surface with an interference pattern created by the intersection of two laser beams. The alternating bright and dark interference fringes modulate the light scattered by the object with a frequency proportional to the object speed. This scattered light is detected by a photodiode and the electrical signal digitally processed to determine the frequency and hence the speed. Object length is then calculated by integrating the speed measurement over time.
SL-Operating-Principle

Specifications

Model: SL3060-MID
 
 
Stand-off distance: 300mm    
Depth-of-field: 60mm    
Minimum speed: 0.2m/min    
Maximum speed: 5000 m/min    
Minimum single length measurement: 10m    
Scale interval: 1mm    
Accuracy class: 1