Dynamic process scale CWPmaxx Hygienic checkweigher

The industry standard for the highest hygienic checkweigher demands with unpacked foodstuffs

The CWPmaxx hygienic checkweigher series has a particularly robust construction; it is ideally suited for use in the most difficult industrial wet cleaning environments. The hygienic design particularly required in the production areas within the food industry is exemplary. The CWPmaxx hygienic checkweigher weighs and checks unpack-aged products or open packages. The CWPmaxx is used where intensive wet cleaning occurs and high IP69 protection is required. The open design facilitates easy cleaning and minimises product build up and deposits.


CWPmaxx hygienic checkweigher process scales are not only sturdy enough for high-pressure wet cleaning, but they were designed to meet the strict hygienic design requirements of the European Hygienic Engineering and Design Group (EHEDG): ergonomic, providing the maximum safety for unpack-aged foodstuffs with minimal structural components. Additionally these checkweighing systems can seamlessly integrate with existing production lines and inspection systems offering you another level of protection for the lines.


An Hygienic checkweigher would normally located at the beginning of the production process, just after cutting and portioning, by weighing the product before it is packaged you will ensure each weight is correct and you will save on reducing the packaging waste also. All food production lines can also benefit from real time reporting with the industrial software BRAIN2. Combined with an X-Ray inspection system this will give you full protection not only on weight but also on foreign body detection in the packages. Finally, at the end of the line you may want to check the pack integrity to include the seal integrity with a vision inspection system. These systems also check the expiry dates, sell by dates, and will capture an image of every package that passes through the line.


For more information on our hygienic checkweigher, products and services or any other products feel free to contact us today. We offer free site surveys and consultation visits without obligation.

Area of Use

With high IP69 protection and its open and robust s/s design, the process scale CWPmaxx is ideally suitable for use in the fresh-food area and in production of unpacked foodstuffs such as:

  • Seafood
  • Poultry
  • Fresh meat, ground meat
  • Sausages / cold cuts
  • Instant meals, tinned food
  • Bread, cakes and pastries
  • Dairy products


  • Throughput: up to 250 products/min
  • Weighing ranges: 50 – 3000 g
  • Protection type: IP69
  • Applications in the food and non-food sectors, also with tendency control:
    • Behind filler or portioning devices
    • Optimized weight and fill amount control
  • Interface to Bizerba's data management solution _statistics.BRAIN

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Weight and fill quantity control in hygiene-sensitive production processes

Through fill quantity control and process control prior to the packaging line you save valuable raw materials (product and packaging materials). You optimize your lines' efficiency and increase profits. The CWPmaxx process scales are usually located in the production process at the cutting stage, portioning stage or in the filling stage. Non-compliant packages are ejected before they reach the packaging machine. Alternatively, the optional tendency control can optimize automatic portioning.


With typical checkweighers hygiene problems occur at the transitions between infeed, weighing, and discharge belts. Food remnants fall from the conveyor belt and collect in the system. The belt is narrower than the belt body. Consequently, product remnants accumulate on the belt body next to the belt and could re-enter the production flow. The CWPmaxx excludes such risks.


Less room for bacteria, short cleaning cycles, low maintenance costs

  • Fewer wear parts prevents expensive downtime: the system does not require drive or deflection rollers, since it uses just a single conveyor belt and one motor.
  • The transport belt can be removed quickly and easily.
  • If product particles fall down from the belt, they cannot fall into another part of the machine and cannot re-enter the production flow.
  • Fast, hygienic cleaning: the hygienically sensitive areas are open and freely accessible; machine parts and frames are rounded or inclined.
  • The load cell is hermetically sealed.
  • IP69 protection: all components can be cleaned hygienically with high pressure in short cycles.
  • Corrosion due to penetration by cleaning agents and water is a thing of the past.


Newly defined using a modular design principle

Thanks to their modular design, Bizerba's CWPmaxx systems can adjust to fit any production lines. Transport height can thus be easily changed on-site. In addition, rejection systems, as well as signal lamps, signal horns and tendency control are optimized for each product type to control upstream systems. Numerous IT interfaces and a software connection using the Bizerba BRAIN2 network ensure long-term planning and investment protection far beyond the initial installation.


Consultation, project planning and integration

Over time, CWPmaxx process scales can easily adapt to meet your changing needs. The wide range of configurations accommodates virtually any line concept and ensures operational capability for future applications as well.


Our team of specialists can help you find the best solution for your own specific needs. Let us design a custom-tailored checkweigher for you.

  • Rejection counter-checker, tendency control
  • Container fill level check
  • Pusher
  • Bizerba Industrial software BRAIN2
  • Special design for the bakery industry
Max. weight 3000 g
Minimum load capacity 50 g
Resolution from 1 g
Max. speed Up to 250 units/min
Transport height 750 mm - 1200 mm
Conveying direction Left to right / right to left
Conveyor widths 200 mm
Lengths of weighing platforms 250, 400 mm
Display 12.1‘‘ SVGA color touchscreen
Rejection system Retracting belt, pusher (additional systems on request) incl. reject bin
Hardware interfaces RS232, RS485, TTY, Ethernet, I/O signals
Accessories Tendency control, signal lamp, emergency stop and much more
Material Stainless steel 1.4301
Voltage 400 V 3+N+PE 50/60 Hz
208 V 3+N+PE 50/60 Hz
Operating temperature 0 °C to 40 °C
Humidity 20-90 %, non-condensing


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