Customer equipment selection guide

Checkweighing and packaging inspection

Automated checking of weight, labels, codes, fill level, cap position, seals and other pack features.

Where this equipment or process fits

Automated checking of weight, labels, codes, fill level, cap position, seals and other pack features. The product name alone is not enough to select machinery: viscosity, particles, foam, temperature, aeration, chemical compatibility and pack tolerance can change the correct solution.

Applications to investigate

  • pack-weight control
  • label and code verification
  • fill-level inspection
  • automatic reject systems

Issues to challenge in a trial

  • product spacing
  • line vibration
  • false rejects
  • reject confirmation

Configurations to compare

ConfigurationSelection note
dynamic checkweigherConfirm the final specification using the real product, pack, output and cleaning method.
vision inspection systemConfirm the final specification using the real product, pack, output and cleaning method.
fill-level inspectionConfirm the final specification using the real product, pack, output and cleaning method.
automatic reject conveyorConfirm the final specification using the real product, pack, output and cleaning method.

Build the specification around sustained production

Record the complete dose range, product condition at the point of filling, container and closure drawings, real samples, intended labels, target output and every planned recipe or pack change. State whether output is a maximum instantaneous speed or a sustained sellable rate after refilling, minor stops, rejects and operator intervention.

Review the full process rather than the filler in isolation. Container preparation, feeding, dosing, filling, capping or sealing, labelling, coding, inspection, reject handling, conveying, accumulation and secondary packaging can each become the bottleneck. The layout also needs guards, maintenance access, cleaning access, utilities, raw-material movement and finished-goods movement.

Use representative samples and measurable acceptance criteria

A useful machinery trial challenges the difficult edges of the requirement: minimum and maximum dose, warmest and coldest product, largest expected particles, highest foam risk and packs from more than one supplier batch. Record settings, output, accuracy or presentation results, cleaning observations and open points. Those results should feed into a written factory acceptance test.

Common questions

What applications should be considered for checkweighing and packaging inspection?

The strongest starting applications include pack-weight control, label and code verification, fill-level inspection and automatic reject systems. The final choice still depends on a representative product and pack trial.

What information is needed to specify checkweighing and packaging inspection?

Provide product behaviour at the real filling temperature, minimum and maximum dose, target sustained output, container and closure samples, cleaning method, utilities and available space.

What should be tested before equipment is ordered?

Test product spacing, line vibration, false rejects and reject confirmation, together with achievable output, repeatability, changeover and cleaning.

Should the complete packaging line be reviewed?

Yes. Container preparation, filling, closing, labelling, coding, inspection, reject handling and accumulation need to work as one balanced process.

Can the equipment be expanded later?

Often it can, but future container formats, nozzle pitch, conveyor height, controls, guarding and upstream or downstream automation should be considered during the first specification.

Technical planning note · Updated 2026-09-01
This guidance should be confirmed with the real product, complete pack, sustained-output target, cleaning method and site risk assessment. Read how the guidance is produced.