Omron has announced the E3S-DB, a transparent-object sensor specifically designed for the food and beverage industry. Developed in conjunction with customers who produce some of the world’s leading branded food and beverage products, the E3S-DB features a unique optical system that enables sensing with low hysteresis and high dynamic range. This results in outstanding performance. For instance, the E3S-DB is capable of detecting just 3% light-intensity attenuation at a distance of up to 4 metres from an object.
The advanced optical system increases stability by completely eliminating even the smallest amounts of stray light that might interfere with glass bottle detection. Known as the bottle-lens-effect, this unwanted magnification of light intensity commonly causes disruption of glass-bottle detection on packaging lines that use less stable sensors.
To meet the trend towards the use of thin PET bottles in the beverage industry, E3S-DB applies the technique known as Polarised-Opaquing, which offers increased detection stability through special polarising filters for PET objects. A further advanced feature automatically compensates for light-level changes caused by ambient conditions, or contamination.
Thanks to the Smart Teach function, setting up the E3S-DB can be achieved with minimum effort. Smart Teach simultaneously provides seamless setting of the light-intensity threshold and fast teaching all in one action. To achieve maximum operating stability, all an operator has to do is manually pre-select (using a trimmer switch) the ideal operational threshold level for the given sensing objects. Then, by simply pushing the teach button, the sensor automatically adjusts light emission power and sensitivity according to sensing distance and selected threshold. Information about the operational threshold of the sensor is always clearly visible and the operator can easily copy the setting from one sensor to another.
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