Sensors for detecting transparent media

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They see what others don't

These retro-reflective photoelectric sensors are specially designed for the reliable detection of transparent bottles, glasses and foils. They offer a high performance reserve and numerous technical features for efficient use.

PRK 3B / RKR 3B

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The miniature clear-glass photoelectric sensor

Whenever space is tight, these photoelectric sensors reliably detect bottles, glasses and foils in normal machine environments.

  • 360° visibility of the indicator diodes
  • Simple, one-point teaching (also with line teach)
  • Protection against manipulation by means of a lockable button
  • Degree of protection IP 67
  • Integrated attachment sleeve made of metal to protect against housing breakage
  • All common connections (M8 plug, 2000 mm cable, cable with M8 or M12 connector)

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PRK 53 / RKR 53

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Especially for hygienic applications

The metal housings of this series have a special hygienic design and are ideally suited for use in pharmaceutical and beverage production.

  • TPV seal (chemically resistant against cleaning agents), smooth, disinfectable and non-diffusive
  • Stainless-steel housing in V4A (AISI 316L) HYGIENE design
  • ECOLAB and CleanProof+ tested
  • Gas-tight housing technology prevents bacterial carry-overs
  • Lens cover in PMMA+ with special coating, stable for H2O2 and wipe-down cleaning with 70% alcohol
  • Electrochemical device labeling: long-term stability and disinfectable
  • Fastening in V4A (AISI 316L) for gas-tight adaptation (diameter 12 mm, fit G6)

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PRK 55 / RKR 55

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Especially for wet applications

With this series' metal housing, WASH-DOWN is no problem. It was specially designed for use in wet applications and guarantees the best functional reliability.

  • TPV seal (chemically resistant against cleaning agents), smooth, disinfectable and non-diffusive
  • Stainless-steel housing in V4A (AISI 316L) WASH-DOWN design
  • ECOLAB and CleanProof+ tested
  • Gas-tight housing technology prevents bacterial carry-overs
  • Lens cover in PMMA+ with special coating, stable for H2O2 and wipe-down cleaning with 70% alcohol
  • Electrochemical device labeling: long-term stability and disinfectable
  • Fastening in V4A (AISI 316L), prepared for M4 thread
  • Connector / cable: V4A / PVC disinfectable and non-diffusive

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(P)RK18B

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Number one when it comes to the detection of transparent objects.

These retro-reflective photoelectric sensors in metal housing with glass optics were designed specially for detecting PET- and glass bottles, plastic foils as well as flat glass. Intelligent configuration options in combination with precise temperature compensation facilitate stable, long-term operation. The patented tracking process extends the cleaning interval many times over; short response times and minimal jitter ensure reliable control of fast processes.

  • Degrees of protection IP 67 and IP 69K
  • Corrosion-resistant metal housing with thread and glass optics
  • Especially designed for the detection of PET, foil, and glass
  • Calibrated aBEAM optics for use without alignment
  • Sensitivity adjustment via teach button or potentiometer
  • Autocollimation principle
  • Automatic dirt/cleaning compensation (tracking) increases the interval between cleaning sessions
  • High extraneous light protection through A²LS

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PRK 8

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Special light-spot profile for single-lane bottle transport

In this series with metal housing, everything has been optimized for the detection of PET and glass bottles that are transported in a single lane. The turning device plug simplifies integration in constrained spaces.

  • Indicator LEDs with all-round visibility
  • Degrees of protection IP 67 and IP 69K
  • M12 turning connector
  • Metal housing with glass optics
  • Especially designed for the detection of PET and glass
  • Teach-in via step switch or control line
  • Autocollimation principle
  • Automatic dirt/cleaning compensation (step/peak tracking) increases the interval between cleaning sessions
  • Increased availability through warning output

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PRK 95

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Adaptable with high resolution

Retro-reflective photoelectric sensors for the detection of transparent media with user-controlled sensitivity adjustment in robust zinc diecast housing with protection rating IP 67/IP 69K.

  • Degrees of protection IP 67 and IP 69K
  • Sensitivity adjustment via multiturn potentiometer
  • Metal housing with glass optics
  • Autocollimation principle
  • Increased availability through warning output and activation input

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PRK 96

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For a large range

For single-bottle detection applications that require a large range, this polarized retro-reflective photoelectric sensor is a good and safe choice.

  • Retro-reflective photoelectric sensor for detection of transparent media
  • Robust metal housing with glass cover, degree of protection IP 67/IP 69K for industrial application
  • Sensitivity adjustment
  • The autocollimation principle used ensures that the device functions reliably over the entire range (0 … max.)
  • High switching frequency for detection of fast events
  • Connection via M12 connector or terminal compartment

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Contact & support

Tel.: 07021 / 573-308
Mo - Th: 8:00 am to 5:00 pm
Fr: 8:00 am to 4:30 pm
Tel.: 07021 / 573-306
Mo - Th: 8:00 am to 5:00 pm
Fr: 8:00 am to 4:30 pm
Tel.: 07021 / 573-307
Mo - Th: 8:00 am to 5:00 pm
Fr: 8:00 am to 4:30 pm