Liquid nitrogen dosing
Verifying liquid nitrogen dosing
Gasporox offers solutions for quality inspection of beverages so that you can safely say that the beverage is up to best standard.
PET bottles are used for many types of beverages. The reduction of plastic material on PET bottles has a positive effect on the weight, cost, sustainability and waste reduction. With this reduction of the material, the bottles tend to be soft and handling becomes more difficult. An overpressure in the bottle generates a hard bottle. This gives the beneficial conditions using them over the product lifecycle. Non-carbonized beverages, like still water bottles, do not generate an increased pressure by default. A drop of liquid nitrogen is applied before closing the bottle, to generate the requested overpressure. The GasSpect H2O & Bar sensor is used to perform a 100% measurement of each bottle running on the filling line. The verification of the pressure in the bottle confirms the correct liquid nitrogen application and detects leaks.
Application description
The bottles are transported on a round conveyor system and passing the laser beam of the sensor. The laser light is sent through the headspace of the bottle and the water vapor absorption is analyzed. The physical effect of line broadening is used to accurate and fast measure the pressure in the bottle. Read more in the application note
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Technology
The GasSpect optical gas sensors are based on 25 years of development and refinement of industrial laser gas sensors. The product utilizes Tunable Diode Laser Absorption Spectroscopy (TDLAS).
The laser sensor technology has been developed by Gasporox and Gasporox’s technology partner/supplier, and is used in many other industrial settings, including the petro-chemical, pharmaceutical, and energy industries.
The Gasporox technology is already used more than 10 years very successful for the testing of parenteral drugs. It is integrated and used in machines, systems and instruments to do 100% and lab testing of vials and ampoules in many parenteral packaging lines and labs. The great performance and robustness of the measurement is well proofed in the industry.
Other products
Inspection of carbonated beverages
Read more about our application for quality inspection of carbonated beverages.
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