BS4 Series Photomicro Sensors from Autonics

BS4 Series Photomicro Sensors from Autonics
The BS4 series photomicro sensors are available in 7 different shapes (K, L, R, T, TA, F, Y types) and built-in connector type, offering maximum flexibility for various user applications and installation settings. The sensors are designed to minimize errors occurring from foreign substances. The sensors offer high visibility with operation indicators viewable from multiple directions.


BS4 Series Photomicro Sensors Features

  • Compact size with built-in connector
  • Dedicated connector cables (sold separately) and universal connector cables supported
  • Various shapes available for installation flexibility (K, L, R, T, TA, F, Y types)
  • Minimize detection errors and improved visibility
    • Sensing side and body level has been improved to minimize detection errors occurring from foreign substances
    • Operation indicators viewable from multiple directions
  • Indicator ON when light received and indicator ON when light blocked models available
  • High shock and vibration resistance
    • shock resistance: 15,000 m/s² (approx. 1,500G), vibration resistance: 10 to 2,000 Hz (1.5 amplitude)
  • Selectable operation modes (Light ON/Dark ON)
  • High-speed response frequency: 2kHz

Compact Size with Built-in Connector
The photomicro sensors with built-in connector can be installed in limited spaces, and can be used with dedicated or universal connector cables.
Compact Size with Built-in Connector
Connector Cables (sold separately)
  • Standard type : CT-03 (1 m), CT-04 (3 m)
  • Flexural type : CT-03F (1 m), CT-04F (3 m)

Various Shapes Available Offering Installation Flexibility
7 different shape models are available for installation in diverse applications.
Various Shapes Available offering Installation Flexibility


Indicator ON when Light Received and Indicator ON when Light Blocked Models Available
Indicator ON when light received and indicator ON when light blocked models are available depending on user needs or applications.

Indicator ON When Light Received (BS4-□2M-□)
Indicator ON When Light Received (BS4-□2M-□)

Indicator ON When Light Blocked (BS4-□2R-□)
Indicator ON When Light Blocked (BS4-□2R-□)


Operation Indicator on Multiple Directions
The operation indicators are viewable from multiple directions allowing users to identify operation status in various environment settings.
Operation Indicator on Multiple Directions

High Resistance to Shock and Vibration
The sensors offer vibration resistance up to 2,000 Hz and shock resistance up to 1,500, which allows for installation in harsh environments.
High Resistance to Shock and Vibration

BS4 Series Photomicro Sensors Applications:

  • PCB Transport Lines
  • Milling Machines
  • Laser Marking on Semiconductor Parts


Download Autonics BS4 Series Photomicro Sensors Datasheet


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