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How to choose the appropriate resolution and measurement range for measuring light curtains?

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How to choose the appropriate resolution and measurement range for measuring light curtains?

Update Time:2025/6/4
A：
When choosing the resolution and measurement range of the measuring light curtain, you need to consider the following points according to the application requirements:

Choose the appropriate resolution (resolution = beam spacing)

Application scenario
· Small object detection (≤10mm) 
· Ordinary object size detection 
· Large workpiece or rough detection 
Recommended resolution (beam spacing)
· 1.25mm, 2.5mm
· 5mm, 10mm
· 20mm or more
Principle: The smaller the resolution, the higher the detection accuracy, but the price and response time may be higher.

Select the appropriate measurement range

Parameter
· Measurement height
· Detection distance (distance between the transmitter and the receiver)
Description
· Determined according to the maximum size of the object being measured (if the maximum height is 500mm, select 600mm or above)
· Generally tens of centimeters to several meters, determined according to the on-site space

Consider other factors

Installation space: Ensure that the physical size of the measuring light curtain fits the equipment space.
Characteristics of the measured object: If the transparent/reflective material, color depth, you may need to choose a model with higher sensitivity.
Interface requirements: If analog output, serial port output, industrial protocol, etc. are required.
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