FST-A1 5M Laser Distance Sensor

Laser sensors can be ideal for collision avoidance, level measurement for liquids and solids, conveyor belt profiling, proximity detection, positioning and equipment monitoring, or even altimetry applications

The variation in material characteristics or the difference in environment conditions can be a contributing factor of why a particular sensor won’t work properly. Certain sensors struggle to recognize a moving target in dusty conditions whereas others have difficulties obtaining a valid level measurement to liquids.

Considering all these factors, it would be nearly impossible to design an all-encompassing laser sensor that could work in a wide variety of scenarios. This is why our line of lasers is all considered to be quite an engineering feat.


Distance measurement range 0.03—2M,5M,20M,50M
Measurement accuracy ±1mm
Measurement time  0.1s -0.2s
Laser Type Semiconductor wavelength 640nm red laser, Class II eye safety
Measurement mode Command measurement
Power Consumption < 1W
Input Power 6-24VDC
Communication mode RS232 or  RS485MODBUS, or 4-20mA
Laser Energy 1mW
Laser life >20000hours
Beam Angle 6mrad
Spot size 5mm ( 5m)
Working Temperature -25℃–65℃
Size 105mm*75mm*30mm
Weight 350g
IP grade IP54

Wiring instructions

Power supply Red line(VCC) Black line(GND)
RS485 Green line(485A) Yellow line(485B)
TTL Green line(TX) Yellow line(RX)
RS232 Green Line(TX) Yellow line(RX)


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