With packaging, space above the contents is often limited, which leaves only a small volume of gas for extensive analysis, particularly when the product is present.

The proximity of the product to the sampling probe or needle can lead to a risk of polluting the circuit between the analysis and its sensors, which can result in a blockage to the pump.

With ABISS measurement devices, average and high-end analysers have an optional flow control, meaning operators can rest assured that the gas will circulate properly within the analyser, even for the most complex applications.

Depending on the stiffness of the packaging and the difficulty of extraction, the pumping time can also be adjusted in order to ensure that the full volume required for sensors has been properly transferred to the analyser.

This allows precise measurements to be carried out for use with packaging such as coffee pods (see the video).

With the Stratos range, electrochemical sensors used for O2 rival zirconia sensors in terms of speed, and enable operational measurement within a similar timeframe.

Anéolia also offer a wide range of needles of all sizes, in order to make it possible to fit the needle through the packaging film.

ipos O2 CO2  Stratos

The packaging for dry products, and particularly powders, requires the use of a filter in order to avoid sampling blockages.

The flow control features for analysers from Ipos 2 onwards make it possible to control the state of the filter by measuring the flow circulating in the analyser.

Once the flow has been identified as weak, the needles should be cleaned or replaced, as well as the external filter, which, as a precaution, will be fitted to the needle-holder between it and the needle.

For lightweight operations involving products such as yeasts, the size of the needles can also be adapted, by selecting the optimal application size from our product catalogue.
Coffee packaging has a wide range of applications and uses.

We can differentiate between various types of packaging:
  • Vacuum packaging, potentially fitted with a valve
  • Coffee pods
  • Capsules, of differing degrees of rigidity
  • Sachets

  • Jars with lids

What’s more, coffee itself generates gas, which then has to be released using an escape valve (see the link)

Some of these gases also produce interference with some sensory technology, such as carbon monoxide, which reduces O2 values measured by zirconia sensors, in significant proportions in low grade.

Electrochemical sensors with short response times installed in ABISS analysers, provide a cost-effective balance for applications that are often difficult due to the presence of powder and limited space available above the product.

The appliances have a flow control system, allied with an adjustable pumping time, which makes it possible to optimise measurements and to protect the appliance.

For vacuum packaging, Exos leak analysers go beyond simple leak detection. Flow measurement, for example, in packaging, makes it possible to qualify the performance of the escape valve and to control the quality of sealing once it comes off the line, without having to wait for the pressure to rise, a process which can take up to 48 hours or more.

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