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ICA Instruments   >  New Dynamic CA   >  Safepod



Dynamic Controlled Atmosphere (DCA) measures the response of the stored produce to safely determine the minimum oxygen required for optimum long term storage.

 Measuring the Respiratory Quotient (CO2 produced/O2 used) is a scientifically proved method of determining the anaerobic stress point in stored produce.

 The SafePod® regularly tests a 70kg of sample fruit within a CA room to measure both the respiration and the Respiration Quotient (RQ) which can then be used to adjust the room atmosphere to its optimal value.                                                                                             

The SafePod® is a hermetically sealed enclosure with a stainless steel base and a clear molded cover that sits in a water trough for perfect sealing. A pair of motorised valves and a circulation fan are normally open to maintain the atmosphere within the SafePod® at the same concentration as the surrounding CA room. 

Periodically, under computer control, the valves are closed and the respiration of the fruit consumes oxygen and produces CO2 within the sealed SafePod®. Gas analyser sensors with very high resolution are built into the SafePod® and measure the changes in the gas composition over a fixed period of time. The computer then calculates the respiration rate and RQ value.

It is also possible in the isolated mode to reduce the oxygen in the SafePod® before carrying out the RQ test, thus preventing exposure of the rest of the stored produce to potentially anaerobic conditions.

The ability to store fruit at lower oxygen levels than recommended in the traditional “menu” systems can result in improved fruit quality, reduced scald and a significant reduction in refrigeration power consumption.

The SafePod uses a much larger sample of fruit than some alternative methods and does not require new CA equipment or extremely leak tight rooms.

Up to 48 pods can be connected to a single PLC based controller or they can be integrated into an existing ICA6000 CA monitoring and control system.

SafePod is a registered trademark. The design and application of the SafePod® is a registered trademark and is protected under US patent No 8739694


To read about how the development trails are going see our news page here


For more infomation please call +44 (0)1892 831 702 or email: to request a datasheet.

INSTRUMENTS: +44 (0)1892 831 702
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