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LS-S50MLR Photo Reflective Sensor

LS-S50MLR Photo Sensor
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LS-S50MLR is a laser sensor that can be taught to recognize the difference in colors. It is a class 1 red laser with switching frequency of 1.5KHZ. Contained in a metal housing with 6ft of cable, which can be utilized for different operations including stroboscopes, counters and panel tachometers. It includes a trimmer potentiometer that is located on the side for minimum and optimum sensitivity adjustments. Can be used in normally closed or normally open operation, NPN type of output, with a yellow LED for signal indication and a green LED for power. Also includes mounting bracket.


  • Visible Red Light Source
  • Rugged Metal Housing
  • NPN or PNP Connection
  • Mounting accessories and cable included

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Sensing Range25 - 400 mm
Sensing HeadStraight
OutputNPN normally Open
NPN normally Closed
PNP normally Open
PNP normally Closed
Load Current200 mA max
Voltage Drop
Short Circuit and Overload ProtectionYes
Reverse Polarity ProtectionYes
Supply Voltage10 - 30 VDC
Voltage Ripple10%
LED IndicatorsYes (2)
Current Consumption<= 30 mA
Operating ModeLight on / Dark on
Response Time<= 1.0 ms
Switching Frequency500 Hz
Protection (IEC)IP67
Light Spot Size~0.5 mm at range of 170 mm
Ambient Light Resistance<= 30,000 Lux
Working Temperature-13 F to 158 F
Storage Temperature-22 F to 158 F
Housing MaterialNickel-plated Brass
Weight2.1 oz
Light SourceVisible Red Laser 660 nm
Electrical ConnectionQuick Disconnect


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Laser sensor with connector for stroboscopes
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Lead Time Varies, Please contact us for availability.