Sensor detects transparent PET bottles

By Ahmed ElAmin

- Last updated on GMT

A new sensor can detect all types of transparent PET bottles,
including those with thin walls and complex shapes, its
manufacturer claims.

Omron Electronics said its range of E3ZM-B sensors use retro-reflective technology to automatically assess the quality of polyethylene terephthalate (PET) containers. The sensors can operate even in areas where dust and other contaminants are present, the company claimed. Ordinary photosensors depend on changes in light intensity for target detection but, with PET bottles, the change is only a few per cent. The differences makes the sensors hard to set up, and prone to drift out of adjustment if the operating conditions change. The E3ZM-B sensors instead use P-opaquing technology to measure the polarisation of the light beam, which typically changes by 75 per cent when a PET bottle enters the beam. "This makes E3ZM-B sensors easy to set up - after installation, the user simply presses a button with no target in place, and the sensor automatically sets the optimum switching threshold,"​ Omron stated. No further adjustment or trials with sample bottles are needed and, after the set up operation the sensor will work with any type of PET bottle, no matter what size, shape or transparency, the company claimed. E3ZM-B sensors can continually monitor and adjust the intensity of the light beam using a special feedback system. The system ensures stable operation, even in the presence of dust and vapours or if the sensor lenses become soiled. "The need for frequent lens cleaning is, therefore, eliminated," Omron claimed. The E3ZM-B PET bottle sensors have an operating range of 100mm to 500mm and are housed in stainless-steel. Their operating temperature range extends from -40 ºC to 60ºC, the company stated. Omron Electronics Ltd is a UK subsidiary of the Omron Corporation.

Related topics: Packaging & Design, Packaging

Related products

show more

Powders to packaging: cosmetic quality control

Powders to packaging: cosmetic quality control

Stable Micro Systems | 20-Nov-2017 | Technical / White Paper

Physical analysis is vital at every step of development for cosmetic products, from perfecting the consistency of creams, to ensuring gels glide on – and...

Sustainability: Ingredient Integrity & Impact

Sustainability: Ingredient Integrity & Impact

Croda Europe Ltd | 06-Nov-2017 | Research Study

The drive for transparency on sustainability programmes is putting increased pressures on the chemical industry to develop robust well-rounded initiatives....

Sustainability: Integrating it into Business

Sustainability: Integrating it into Business

Croda | 14-Sep-2017

Making high performance, high quality personal care products with sustainable credentials, addresses consumer needs and creates long term value. Integrating...

Sustainability: Don’t Get Left Behind

Sustainability: Don’t Get Left Behind

Croda Europe Ltd | 09-Aug-2017 | Information Request

Pressure from consumers, governments and non-governmental organisations for companies to adopt more sustainable business practices has never been stronger...

Related suppliers