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Check Weighing

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At Kanta King, we offer a range of load cells and instrumentation / electronics designed for accurate, high speed weight measurement and detection of over- or under-weight in check weighing applications.

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No matter what type of check weighing system you are designing, Kanta King can offer cost-optimised, reliable, repeatable load cells with the IP rating and level of precision to suit the application ­and high speed, dedicated check weighing electronics ­all with the appropriate trade approvals.

Our Solution

Successful check weighing is the suppression of undesirable dynamic effects.

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The advanced fluid damping properties of our load cell will suppress the majority of vibrations, allowing the static weight of the package to be accurately measured while it's in motion.

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Furthermore, the weight transmitters are perfect for check weighing systems thanks to their high speed data acquisition rate, their advanced dynamic filtering and their dedicated check weighing software offered as standard.​​

The Background

A check weigher is an automated system designed to check the weight of packaged commodities, to satisfy internal controls and external trade applications.  They are usually found at the end of a production line in many industries, or in the despatch area of eCommerce warehouses.

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Check weighers used in legal-for-trade applications require the use of approved components such as load cells and measuring electronics.

There are 2 main types of check weigher;

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  • Only the package content is checked; this is needed to calculate a price based on the content

  • The package content is checked and compared with defined upper and lower tolerances in order to accept or discard the package.  These tolerances are mandated, often in accordance with the e-mark legislation.  If a package has a weight outside the tolerance, it is removed from the production line.​

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For both of these types, the check weighing process can be static (manual) or dynamic.  In dynamic check weighing, the package will be moving along a conveyor belt or roller system.  Therefore, the package’s static weight will be affected by the accelerations and vibrations occurring in the mechanical components of the conveyor.

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Typical items that are check weighed for trade purposes:

  • Bottles

  • Cans

  • Pots

  • Bags

  • Big-bags (FIBC)

  • Boxes

  • Packaged meat and fish products

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