Sensors & Transducers


Miniature sensors for washdown environments

August 2011 Sensors & Transducers

The new VSM Series micro sensors from Banner Engineering are tiny yet tough, and high-performance yet cost-effective. They have a wide variety of applications in a number of different industries, specifically those requiring smooth, hygienic designs such as food, beverage, and pharmaceuticals. Other applications include die sensing, part presence verification, and assembly machines with articulated or reciprocating motion.

The VSM Series sensors are an important addition to Banner’s line of miniature photoelectric sensors, not only because of their size, but also because of their ability to function in heavy washdown environments that use a variety of liquids and chemicals. Another advantage is that the sensors provide an alternative to proximity sensors and optical fibres in high-flex environments, offering more versatility to customers.

VSM Series sensors are housed in a threaded or smooth, self-contained 4 mm barrel with 300 series stainless steel, or in flat-pack side-looking housing. This makes them easy to clean. The sapphire lens resists a wide variety of chemicals and cutting fluids. They have an advanced convergent optical design resulting in a very repeatable sensing range. Models are available with a 10, 20, 50 or 90 mm sensing range and up to 250 mm as a through beam. A narrow, well-focused sensing beam allows the entire sensor to be recessed into the fixture (excluding the 50 mm range model).

For more information contact Rodney Topham, RET Automation Controls, +27 (0)11 453 2468, [email protected], www.retautomation.com



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