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Sensors in Hygienic Design

The sensors for hygienic applications are ideal for use in the food and pharmaceutical industries. Thanks to the high-quality stainless steel 316L housing, they are robust and corrosion-resistant.
Thanks to the high IP69K protection, the sensors can be integrated into and on systems where they can withstand high-pressure cleaning at up to 100 bar and water temperatures of up to 80 °C. They are ECOLAB-certified and can withstand aggressive cleaning agents. Hygienically designed housings with no edges, crevices or angles where debris could build up make the sensors suitable for use in hygienically sensitive areas. They are also FDA compliant through the use of food-safe materials. 
Photoelectronic sensors icon

Photoelectronic Sensors

Photoelectronic Sensors in Hygienic Housing



 
  • Hygienic design without corners and edges for easy cleaning and optimal dirt and cleaning agent drainage
  • Food-safe materials with FDA compliance
  • Resistant to high-pressure cleaning with IP69K degree of protection
  • Hermetically sealed stainless steel 316L housing with touch teach-in for absolute leak-tightness
  • Laser-welded housing with captive optics
  • Gap-free installation option for the highest hygiene requirements
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Photoelectronic sensors can detect or count objects contactlessly using light. The high-quality hygienic housing in stainless steel 316L (1.4404/V4A) is characterized by its special round shape without dirt edges and hermetic seal. The hygiene series is available as an energetic reflex sensor, reflex sensor with background suppression, through-beam sensor and retro-reflex sensor for transparent objects. Different types of light, such as red light, infrared light or red laser light are available depending on the intended use.

Hygienically Designed Sensors in Use – Clean Outside, Intelligent Inside

Yogurt Pot Presence Check

In the production of yogurt, it is important to ensure that there is a pot in each recess of the indexing belt before applying the lids. After each production, the indexing belts are cleaned via high-pressure jets and CIP cleaning. The FDA-compliant sensors meet these hygiene requirements – thanks to their special stainless steel 316L design, all water drops run off and the lenses do not fog up.

Learn more about the application here.

Food Tray Detection

When portioning meat, trays must be reliably detected on conveyors with a width of just 150 mm. The belts are cleaned at regular intervals with high-pressure jets and CIP cleaning. The FDA-compliant sensors are waterproof (IP68/IP69K) and resistant to cleaning agents, so they can withstand the high hygiene requirements.

Learn more about the application here.

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System Components

Hygienic Protective Housings for Sensor and Image Processing Solutions





 
  • Hygienic design for easy cleaning and safe drainage of dirt and cleaning agents
  • Food-safe materials with FDA compliance
  • Resistant to high-pressure cleaning with IP69K degree of protection
  • Corrosion-free stainless steel 316L
  • Captive optics
  • Hygienic design for mounting different types of sensors
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The protective housings in stainless steel 316L enable hygienically designed integration of a wide range of sensors and image processing products in cleaning-intensive environments. The integrated sensors in M or P format, vision sensors,Smart Cameras and 1D/2D and barcode scanners are optimally protected against cleaning agents and high-pressure cleaning in a protective housing with IP69K degree of protection. Variants with PMMA optics for the food industry or glass optics for the pharmaceutical industry are available depending on the field of application. 
The protective housing is supplemented by extensive system components for hygienically designed mounting.

Round and Robust – Hygienic Protective Housing in Use

Color Check of Baked Goods

When producing baked goods with chocolate coating, the color of the objects must be checked for quality control. Vision sensors in hygienically designed stainless steel 316L housing, which meet the high hygiene requirements of the food industry, are mounted above the conveyor line.

Learn more about the application here.

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Ultrasonic Sensors

Ultrasonic Sensors in Hygienic Design



 
  • Hygienic design for simple cleaning and maximum resistance to cleaning agents (ECOLAB)

  • Use of food-safe materials with FDA compliance

  • Resistant to high-pressure cleaning due to IP69K degree of protection

  • Hermetically sealed stainless steel housing for absolute tightness

  • Gap-free installation option for the highest hygiene requirements

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Ultrasonic sensors evaluate the sound reflected off the object.  They can detect almost any object and are especially well suited for monitoring fill levels of liquids and bulk goods and for detecting transparent objects regardless of the material, state, color or transparency.

The high-grade stainless steel housing (1.4404) in hygienic design makes the sensor well-suited for applications in demanding hygienic areas. The sensors can be used as reflex sensors, as well as ultrasonic through-beam barriers.

Full-Metal Ultrasonic Sensors – Insensitive and Versatile

Detection of Food on Conveyor Belts

When packaging foods such as ham, cheese, fish or bacon, the objects portioned into slices are transported on conveyor belts and first wrapped in paper. To ensure that the paper is placed at the right moment, an ultrasonic sensor must first reliably detect the incoming food despite different colors, shapes and surfaces.

Learn more about the application here.

Fill-Level Measurement in Mincers

Mincers are used in industrial production and portioning of minced meat. The fill level of the minced meat must be monitored to enable continuous filling. For this purpose, an ultrasonic distance sensor in a stainless steel housing (degree of protection IP69K) is installed above the feed container. Thanks to its hygienic design, the sensor withstands even intensive cleaning under high pressure, at high temperatures of up to 80 °C and with aggressive cleaning agents.
 

Learn more about the application here
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