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Through Beam Filter

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Through Beam Sensors

Precision Detection with Through Beam Sensors

Tri-Tronics' Through Beam Sensors offer unmatched accuracy and reliability for detecting objects in diverse industrial applications, ensuring smooth operations in even the most challenging environments.

Long-Range Sensing for Maximum Flexibility

Designed for applications requiring long-range detection, these sensors provide dependable performance over extended distances. With their robust construction and high tolerance for environmental conditions, Through Beam Sensors are ideal for conveyor systems, material handling, and safety monitoring.

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153 items

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  1. B18TBLSI
    B18
    Principle of Optical Operation:
    Light Source
    Light Source:
    Infrared LED
    Connection:
    Cabled, 6ft
    Catalog Number:
    40599
    $44.88
  2. B18TBLSIC
    B18
    Principle of Optical Operation:
    Light Source
    Light Source:
    Infrared LED
    Connection:
    Connector, 4-pin M8
    Catalog Number:
    40602
    $44.88
  3. B18TBRNI
    B18
    Principle of Optical Operation:
    Receiver
    Max Sensing Range:
    20m
    Light Source:
    Infrared LED
    Switching Output:
    NPN
    Connection:
    Cabled, 6ft
    Catalog Number:
    40600
    $67.24
  4. B18TBRNIC
    B18
    Principle of Optical Operation:
    Receiver
    Max Sensing Range:
    20m
    Light Source:
    Infrared LED
    Switching Output:
    NPN
    Connection:
    Connector, 4-pin M8
    Catalog Number:
    40603
    $67.24
  5. B18TBRPI
    B18
    Principle of Optical Operation:
    Receiver
    Max Sensing Range:
    20m
    Light Source:
    Infrared LED
    Switching Output:
    PNP
    Connection:
    Cabled, 6ft
    Catalog Number:
    40601
    $67.24
  6. B18TBRPIC
    B18
    Principle of Optical Operation:
    Receiver
    Max Sensing Range:
    20m
    Light Source:
    Infrared LED
    Switching Output:
    PNP
    Connection:
    Connector, 4-pin M8
    Catalog Number:
    40604
    $67.24
  7. MLR
    Mini-Eye
    Principle of Optical Operation:
    Receiver
    Switching Output:
    NPN
    Connection:
    Cabled, 6ft
    Catalog Number:
    20883
    $64.13
  8. MLR-18
    Mini-Eye
    Principle of Optical Operation:
    Receiver
    Switching Output:
    NPN
    Connection:
    Cabled, 6ft
    Catalog Number:
    20889
    $70.18
  9. MLR-185
    Mini-Eye
    Principle of Optical Operation:
    Receiver
    Max Sensing Range:
    N/A
    Switching Output:
    NPN
    Connection:
    Cabled, 6ft
    $58.00
  10. MLR-5
    Mini-Eye
    Principle of Optical Operation:
    Receiver
    Max Sensing Range:
    N/A
    Switching Output:
    NPN
    Connection:
    Cabled, 6ft
    $53.00
  11. MLRC
    Mini-Eye
    Principle of Optical Operation:
    Receiver
    Switching Output:
    NPN
    Connection:
    Connector, 4-pin M8
    Catalog Number:
    20882
    $67.76
  12. MLRC-18
    Mini-Eye
    Principle of Optical Operation:
    Receiver
    Switching Output:
    NPN
    Connection:
    Connector, 4-pin M8
    Catalog Number:
    20888
    $73.81
  13. MLRC-185
    Mini-Eye
    Principle of Optical Operation:
    Receiver
    Max Sensing Range:
    N/A
    Switching Output:
    NPN
    Connection:
    Connector, 4-pin M8
    $61.00
  14. MLRC-185M12
    Mini-Eye
    Principle of Optical Operation:
    Receiver
    Max Sensing Range:
    N/A
    Switching Output:
    NPN
    Connection:
    Connector, 4-pin M12 pigtail
    $66.00
  15. MLRC-18M12
    Mini-Eye
    Principle of Optical Operation:
    Receiver
    Max Sensing Range:
    N/A
    Switching Output:
    NPN
    Connection:
    Connector, 4-pin M12 pigtail
    $66.00
  16. MLRC-5
    Mini-Eye
    Principle of Optical Operation:
    Receiver
    Max Sensing Range:
    N/A
    Switching Output:
    NPN
    Connection:
    Connector, 4-pin M8
    $56.00
  17. MLRC-5M12
    Mini-Eye
    Principle of Optical Operation:
    Receiver
    Max Sensing Range:
    N/A
    Switching Output:
    NPN
    Connection:
    Connector, 4-pin M12 pigtail
    $66.00
  18. MLRC-M12
    Mini-Eye
    Principle of Optical Operation:
    Receiver
    Max Sensing Range:
    N/A
    Switching Output:
    NPN
    Connection:
    Connector, 4-pin M12 pigtail
    $66.00
  19. MLSI
    Mini-Eye
    Principle of Optical Operation:
    Light Source
    Max Sensing Range:
    19.8m
    Light Source:
    Infrared LED
    Connection:
    Cabled, 6ft
    Catalog Number:
    20140
    $29.04
  20. MLSI-18
    Mini-Eye
    Principle of Optical Operation:
    Light Source
    Max Sensing Range:
    19.8m
    Light Source:
    Infrared LED
    Connection:
    Cabled, 6ft
    Catalog Number:
    20842
    $35.09
  21. MLSI-185
    Mini-Eye
    Principle of Optical Operation:
    Light Source
    Max Sensing Range:
    19.8m
    Light Source:
    Infrared LED
    Connection:
    Cabled, 6ft
    $29.00
  22. MLSI-5
    Mini-Eye
    Principle of Optical Operation:
    Light Source
    Max Sensing Range:
    19.8m
    Light Source:
    Infrared LED
    Connection:
    Cabled, 6ft
    $29.04
  23. MLSIC
    Mini-Eye
    Principle of Optical Operation:
    Light Source
    Max Sensing Range:
    19.8m
    Light Source:
    Infrared LED
    Connection:
    Connector, 4-pin M8
    Catalog Number:
    20141
    $32.67
  24. MLSIC-18
    Mini-Eye
    Principle of Optical Operation:
    Light Source
    Max Sensing Range:
    19.8m
    Light Source:
    Infrared LED
    Connection:
    Connector, 4-pin M8
    Catalog Number:
    20298
    $38.72
  25. MLSIC-185
    Mini-Eye
    Principle of Optical Operation:
    Light Source
    Max Sensing Range:
    19.8m
    Light Source:
    Infrared LED
    Connection:
    Connector, 4-pin M8
    $32.00
  26. MLSIC-185M12
    Mini-Eye
    Principle of Optical Operation:
    Light Source
    Max Sensing Range:
    19.8m
    Light Source:
    Infrared LED
    Connection:
    Connector, 4-pin M12 pigtail
    $42.00
  27. MLSIC-18M12
    Mini-Eye
    Principle of Optical Operation:
    Light Source
    Max Sensing Range:
    19.8m
    Light Source:
    Infrared LED
    Connection:
    Connector, 4-pin M12 pigtail
    Catalog Number:
    29205
    $50.82
  28. MLSIC-5
    Mini-Eye
    Principle of Optical Operation:
    Light Source
    Max Sensing Range:
    19.8m
    Light Source:
    Infrared LED
    Connection:
    Connector, 4-pin M8
    $27.00
  29. MLSIC-5M12
    Mini-Eye
    Principle of Optical Operation:
    Light Source
    Max Sensing Range:
    19.8m
    Light Source:
    Infrared LED
    Connection:
    Connector, 4-pin M12 pigtail
    $37.00
  30. MLSIC-M12
    Mini-Eye
    Principle of Optical Operation:
    Light Source
    Max Sensing Range:
    19.8m
    Light Source:
    Infrared LED
    Connection:
    Connector, 4-pin M12 pigtail
    $44.77
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153 items

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Product Series
  1. S32 6 items
  2. B18 6 items
  3. S18 6 items
  4. Mini-Eye 84 items
  5. TB12 40 items
  6. TINY-EYE 4 items
  7. U.S. Eye 7 items
Principle of Optical Operation
  1. Light Source 53 items
  2. Receiver 96 items
  3. Light Source/Receiver 3 items
Sensing-Range
  1. 500mm - 1000mm 1 item
  2. 1m - 5m 26 items
  3. 5m - 10m 1 item
  4. 10m - 100m 68 items
  5. Depends on Light Source 26 items
Light Source
  1. Infrared LED 54 items
  2. Red Laser 12 items
  3. Red LED 33 items
Switching Output
  1. Relay 6 items
  2. PNP 38 items
  3. NPN 38 items
  4. NPN, PNP 2 items
Connection
  1. 3-wire M8 Cable 8 items
  2. Cabled, 6ft 48 items
  3. Connector, 3-pin M8 11 items
  4. Connector, 4-pin M12 3 items
  5. Connector, 4-pin M12 pigtail 28 items
  6. Connector, 4-pin M8 34 items
Supply Voltage
  1. 10-30 VDC 64 items
  2. 24-130 VAC/VDC 7 items
  3. 5 VDC 42 items
  4. 8-30 VDC 20 items
Housing Size
  1. 18mm 46 items
  2. Miniature Rectangular 52 items
  3. Rectangular 7 items
  4. 12mm barrel 40 items
  5. 18mm Barrel 6 items
Adjustment Controls
  1. Potentiometer 62 items
  2. Push Button 6 items
  3. Wire 2 items
Timer
  1. None 91 items
  2. On/Off Delay 2 items
  3. One-Shot Motion 2 items
Optical Block
  1. T4 Opposed 4 items