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EX-20 Series - Miniature Photoelectric Sensors

EX-20 Series - Miniature Photoelectric Sensors

Ultra small photoelectric sensors with integrated sensitivity adjuster

  • Front and side sensing options
  • Up to 2 meter range with thru-beam version
  • Convergent and diffuse version with narrow LED beam

The EX-20 series reaches the pinnacle of sensor miniaturization. By fabricating the photo-diode and the A/D conversion circuit on the same chip, Panasonic (formerly Sunx) has achieved one of the smallest built-in amplifier sensors in the world. With integrated sensitivity adjustment, the EX-20 series is great for use as an all-purpose sensor. Even though the sensor is extremely small, the sensing distance is not compromised. Up to a 2m detection distance is possible with the thru-beam type, 200mm with the retro-reflective type, and 160mm for the diffuse reflective type. A visible red beam spot allows for easy confirmation of alignment. Also, the LED used in the EX-20 series provides a high-power, narrow beam that can produce a spot as small as 1mm in diameter. This is great for the detection of small objects such as chip components or wires. The mounting options available include a front sensing type as well as a side sensing type. Each type has two, metal reinforced M3 mounting holes for stable sensor placement.


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EX-21B Front Sensing Ultra-Compact Thrubeam Photoelectric Sensor - NPN - Dark-On

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EX-21B-PN Front Sensing Ultra-Compact Thrubeam Photoelectric Sensor - PNP - Dark-On

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EX-21B-R Front Sensing Ultra-Compact Thrubeam Photoelectric Sensor - NPN - Dark-On - 2m Robotic Cable

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EX-22A Side Sensing Ultra-Compact Diffuse Reflective Photoelectric Sensor - NPN - Light-On

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EX-22A-PN  Side Sensing Ultra-Compact Diffuse Reflective Photoelectric Sensor - PNP - Light-On

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EX-22B Side Sensing Ultra-Compact Diffuse Reflective Photoelectric Sensor - NPN - Dark-On

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EX-22B-PN Side Sensing Ultra-Compact Diffuse Reflective Photoelectric Sensor - PNP - Dark-On

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EX-23 Side Sensing Ultra-Compact Thrubeam Photoelectric Sensor - NPN - Switchable

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EX-23-C5 Side Sensing Ultra-Compact Thrubeam Photoelectric Sensor - NPN - Switchable - 5m Cable

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EX-24A Front Sensing Ultra-Compact Diffuse Type Photoelectric Sensor - NPN - Light-On

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EX-24A-PN Front Sensing Ultra-Compact Diffuse Type Photoelectric Sensor - PNP - Light-On

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EX-24B Front Sensing Ultra-Compact Diffuse Type Photoelectric Sensor - NPN - Dark-On

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EX-24B-PN Front Sensing Ultra-Compact Diffuse Type Photoelectric Sensor - PNP - Dark-On

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EX-24B-R Front Sensing Ultra-Compact Diffuse Type Photoelectric Sensor - NPN - Dark-On - 2m Robotic Cable

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EX-26A Side Sensing Ultra-Compact Small Spot Beam Type Photoelectric Sensor - NPN - Light-On

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EX-26A-PN  Side Sensing Ultra-Compact Small Spot Beam Type Photoelectric Sensor - PNP - Light-On

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EX-26B-PN Side Sensing Ultra-Compact Small Spot Beam Type Photoelectric Sensor - PNP - Dark-On

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EX-28A Side Sensing Ultra-Compact Long Distance Spot Beam Type Photoelectric Sensor - NPN - Light-On

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EX-28B Side Sensing Ultra-Compact Long Distance Spot Beam Type Photoelectric Sensor - NPN - Dark-On

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EX-28B-PN Side Sensing Ultra-Compact Long Distance Spot Beam Type Photoelectric Sensor - PNP - Dark-On

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