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Comparison between laser profile sensor LH and LM

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TSINGBO 3D line laser profile sensor can simultaneously measure the height of n points on a line laser. The main parameters are: number of laser contour points n, measurement range, Z-axis repetition accuracy and sampling frequency.

The number of laser contour points n is the number of points that can be measured at the same time. The TSINGBO 3D line laser contour sensor LM-21XX series has 640 points; TSINGBO 3D line laser profile sensor LH-23XX series has 2048 points.

The measurement of laser profile measurement range is a sector area in the plane where the line laser is located, which is smaller at the near end and larger at the far end.

Z axis repetition accuracy refers to the difference of the same measured point in several measurements; It can be approximately understood as the resolution limit of the Z-axis direction.

The sampling frequency is the number of times that can be measured in one second. The sampling frequency is related to the parameters such as the number of laser profile points and trigger mode. The less the number of single sampling points, the higher the sampling frequency can reach.


TSINGBO 3D line laser profile sensor LM series pursues cost-effective, sacrificing sampling frequency or laser profile points;

TSINGBO 3D line laser profile sensor LH series pursues the ultimate performance, which can set more profile points and faster adoption frequency

at the same time.