Are consumables really essential to ensure reliable measurements?

When a measuring instrument delivers results that are inconsistent than usual, the first reaction is often to question the device itself.

Yet, in many cases, the origin of the problem lies elsewhere: consumables.

Whether it is gas analysis or leak testing of food packaging, consumables play an essential role in the quality of measurements. Often considered as accessories, yet they contribute directly to the precision, repeatability and reliability of daily inspections.

What is called a consumable?

A consumable is a component intended to be replaced periodically due to its natural wear or repeated use.

Unlike the instrument itself, it has a limited life.

In the field of food packaging inspection, the most common consumables include:

  • The sampling needles
  • The adhesive septa
  • Hydrophobic filters
  • Certain sealing gaskets
  • Calibrated leaks used as control references

Why are consumables so important?

Even the best-performing instrument cannot provide reliable results if its accompanying components are degraded.

The consumables contribute in particular to:

  • The quality of the sampling
  • The protection of sensors
  • The repeatability of measurements
  • The stability of the results
  • The lifespan of the equipment

A consumable in poor condition can gradually affect the performance of a system without this being immediately visible.

What are the risks of using used consumables?

This is often when problems appear.

Less reliable results: A blunt needle or a saturated filter can disrupt the quality of the sample and introduce measurement deviations. These variations may lead to erroneous interpretations of the results.

A loss of repeatability: Two identical packages should produce comparable results. When some consumables reach the end of their life, gaps may appear between two measurements carried out under the same conditions.

An increased risk of non-compliance: In sectors where quality controls are critical, incorrect measurement can lead to:

  • Accept a non-compliant product
  • Reject a compliant product
  • Make inappropriate decisions

Premature wear of the equipment: Some consumables also have the role of protecting sensitive components of the instrument. A defective hydrophobic filter, for example, can allow moisture or contaminants to pass through and potentially damage the sensors.

The main consumables used in packaging inspection

Sampling needles: They make it possible to sample the gas contained in the packages under a modified atmosphere. Over time, they can wear out, deform or become clogged.

Self-adhesive septa: They are positioned on the packaging before analysis and allow for sampling while limiting disturbances to the internal atmosphere.

Hydrophobic filters: They protect the sensors against moisture, liquids, and certain particles that can affect the instrument’s performance.

Sealing joints: They contribute to the proper functioning of equipment using vacuum or pressure to carry out inspections.

Calibrated leaks: They serve as a reference for verifying the performance of certain leak detectors and play an essential role in the metrological reliability of inspections.

How often should consumables be replaced?

Frequency depends on several factors:

  • The intensity of use
  • The work environment
  • The type of consumable
  • The manufacturer’s recommendations

Regular monitoring generally allows you to anticipate replacements before performance is affected.

An investment that often pays off

The cost of a consumable is generally low compared to the potential consequences:

  • Poor quality decisions
  • Production shutdowns
  • Product losses
  • Heavier maintenance interventions
  • Degradation of instrument performance

Replacing consumables at the right time is therefore often one of the simplest actions to maintain the reliability of a control system.

Conclusion

Although consumables are often considered secondary, they play a central role in the quality of measurements. Their condition directly influences the accuracy of analyses, the repeatability of results and the overall reliability of controls.

A suitable replacement program not only ensures better measurement performance, but also extends the life of everyday equipment.

Need consumables for your instruments?

Anéolia offers a range of consumables dedicated to food packaging inspection: needles, septa, filters, calibrated leaks and maintenance accessories.

👉 Find all our consumables on our e-shop