Sensors for Detecting Transparent Objects

Pharmaceutical Bottles Detected by Sensors

By definition, transparent objects allow light to pass freely through them, which is a primary reason why they can be so difficult to detect. Material color, shape, size, faceting, and reflectivity can further complicate detection. Additionally, the harsh, hazardous, washdown and aseptic environments common to many applications challenge the reliability, performance, and longevity of the sensors used to detect transparent materials.

Matching the design, sensing technology, and product features of a sensor to the specific needs of an application makes for a more effective solution. Some sensing technologies may work better in specific conditions or may be more effective with certain materials. Design and feature considerations for sensors used in hygienic environments may be quite different from those of sensors used in packaging applications. Fortunately, Banner Engineering offers sensors designed and developed to overcome these challenges and reliably solve a broad range of clear object detection applications.

Not sure which technology is right for your application?  Check out our article on how to choose the right type of sensor for clear object detection. 

QS18 Series Clear Object Sensor
1 min  27 secs  1 min  27 secs 
Q26 Clear Object Detection Sensor
1 min  23 secs  1 min  23 secs 
Q4X Laser Distance Sensor
1 min  47 secs  1 min  47 secs 
 How to Choose the Best Sensor for Clear Object Detection
How to Choose the Best Sensor for Clear Object Detection

19 Dec 2016

Understand the differences between common sensor types in Clear Object Detection applications, such as ultrasonic vs. photoelectic retroreflective sensors.

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Why Use Polarized Coaxial Optics For Detecting Clear Objects
Why Use Polarized Coaxial Optics For Detecting Clear Objects

5 Dec 2016

Clear object detection sensors are sensitive to variations in light and benefit from polarized coaxial optical design to reduce false detection from reflected light.

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Select a Series for Clear Object Detection

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  1. Q4X Series Rugged Laser Distance Sensor

    Rugged Q4X laser distance sensor solves many challenging applications and comes in a rugged IP69K rating with FDA food grade stainless steel housing.

  2. QS18 Series All Purpose Photoelectric Sensor

    All purpose photoelectric sensor with universal housing design and 18 mm threaded barrel is an ideal replacement for hundreds of other sensor styles.

  3. QM26 Series Washdown Sensor

    The QM26 withstands high-pressure washdown environments and is easy to mount for hassle-free setup.

  4. QMH26 Series Hygienic Washdown Sensor

    The QMH26 is designed with minimal grooves and crevices, making it easy to clean and ideal for clean-in-place (CIP) applications.

  5. Q26 Series Clear Object Sensor

    The Q26 features coaxial optics and LO/DO switch for clear, translucent or opaque objects including mirror-like surfaces.

  6. T30UX Series Temp Compensation Ultrasonic Sensor

    Compact, right-angle ultrasonic sensors with built-in temperature compensation. Available in analog or configurable discrete models. 3 m sensing range.

  7. S18U Series Barrel Ultrasonic Sensor

    Barrel ultrasonic sensor is Ideal for material handling and packaged goods applications: bottling or liquid level detection. Sensing range < 300 mm.

  8. QT50U Series 8 m Range Chemical Resistant Ultrasonic Sensor

    Features a completely sealed, shock-resistant housing that is ideal for tank level monitoring of liquids as well as solids.

  9. M25U Series Stainless Steel IP69K Ultrasonic Sensor

    Waterproof, stainless steel, ultrasonic sensors were purpose-built to deliver flawless operation in food processing and other sanitary industries.

  10. QS18U Series Compact High Speed Ultrasonic Sensor

    Ultrasonic sensor detects items regardless of color, material, or transparency. Senses within 50 to 500 mm window with 15 millisecond response time.

  11. T30U Series 2 m Range Pump Control Ultrasonic Sensor

    Right-angle sensor with 30mm threaded barrel and sensing range up to 2 m. Popular for pump in pump out switching logic for tank level monitoring.

  12. Q45U Series Versatile Ultrasonic Sensor

    Versatile sensor accepts programming storage cards for fast, easy sensing parameter changes with ranges up to 3 m.

  13. Q45UR Series Remote Transducer Ultrasonic Sensor

    Precision programmability to resolve object presence to within 0.6 mm. Plastic or stainless steel housing with threaded barrel or Flat-Pak sensing head.

  14. T18U Series Opposed Mode Ultrasonic Sensor

    High-frequency ultrasonic emitter and tuned receiver for accurate opposed-mode sensing. T-style right-angle housing with 18 mm threaded nose.

  15. K50U Series Wireless Ultrasonic Sensor

    The K50U wireless ultrasonic sensor makes it easy to monitor mobile and remotely located tanks and totes. Sensor has a 3 m sensing range.