CW 4500 Series

Fully-automatic weight checking machine


Dibal CW 4500 high speed automatic weight checking machine, checks for correct product weights, up to 162 packages per minute without stopping. The machine can be configured with up to 2 ejection systems. Several types of ejection system are available depending on the product and / or operational setup. Products that weigh outside the preset weight range will be diverted by one or multiple ejection systems, into a collection bin or onto a separate conveyor.



  • High speed weighing: up to 162 packs per minute.
  • Discrimination by weight checking.
  • Multiple options for ejection system.

Weighing range:

  • Max. 3 kg / 1 g on conveyor:
    • 300mm (L) x 200mm (W)
  • Max. 6 kg / 2 g on conveyors:
    • 400mm (L) x 280mm (W)
    • 400mm (L) x 400mm (W)
    • 600mm (L) x 280mm (W)
  • Max. 15 kg / 5 g on conveyors:
    • 600mm (L) x 400mm (W)
    • 800mm (L) x 280mm (W)
    • 800mm (L) x 400mm (W)

Ejection system:

  • Types: *
    • Air-jet / air blowing
    • Pneumatic piston
    • Swiveling bar
    • Push bar
  • Number of ejectors and function:
    • 1 ejector
      (for weight out of range)
    • 2 ejectors
      (for weight above range and weight below range)
  • Position of the 2 ejectors:
    • They can be located on the same side or opposite sides.


AISI 304L stainless steel and anodised aluminium

(food grade)

  • Standard
  • Non-slip
    (for high-speed applications)
  • Sliders
    (for ejection conveyors)

Display console:

  • Dot matrix display console with keypad
  • 15-inch TFT touch screen
    (if applicable)


  • TCP/IP Ethernet
  • Serial RS232


230v AC single-phase

Compressed air:

Max. 150 litres / minute (at 6 to 8 bar for the ejection system)

A 850mm to 950mm (adjustable height)
B 1,350mm to 1,500mm (adjustable height)
C 1,525mm **
D 850mm ***
* All ejection systems depend on the type of product/packaging, required speed, collection system, etc.; please contact us.

** These measurements correspond to the sum of the 400mm (L) infeed, 400mm (L) weighing and the optional 600mm (L) conveyor for the ejection system with 1 pneumatic piston. For other sizes, please contact us.

*** For 280mm wide conveyors. For other sizes, please contact us.

Cestilene guides

Stainless steel guides

Non-motorised PVC exit rollers for 200mm, 280mm and 400mm wide conveyors

Visual and audible alarm (24V)

Polycarbonate protector for the weighing conveyor

CW 4500 Series
Check weighing coffee packages

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4500 Series
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1300 943 947

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