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Witts' Gas Flushing Unit with new sensor for food industry reduces gas consumption

01 September 2009

The KD100-1A gas flushing system from Witt, allows modified atmospheres that keep food fresh in packaging or warehouses, to be produced more cost effectively.

The KD100-1A uses a new zirconia sensor having a measuring range of 0-25% with +/- 0.2% repeatability as well as for providing fast measurements to ensure that the volume of protective gas is easily controlled. Fluctuations of up to 0.01% can be registered and allowed for when flushing. Other features include lockable transparent door to protect the programmed settings.

It is a fully automatic, electronic flow control system, that can be used on automatic packaging lines reducing gas consumption by up to 30%. It automatically regulates the gas flow until the required Oxygen (O2) level is reached. It then continues to control the O2 value at the desired level, whilst the non-destructive analysis of the Modified Atmosphere Packaging (MAP) continuously protects the food quality.

It can be used with all standard protective gases, including nitrogen, carbon dioxide, argon and their mixes as well as other technical gases and their mixes, excluding combustable gases. If the O2 concentration exceeds the maximum permisable limit this will trigger an alarm and the line will shut down. An audible alarm is available as an option.

The system also allows for pressure fluctuations in the gas supply and the speed of the line or the size of package has no bearing on its operability. It is supplied with interfaces for documentation and remote transfer of setting and measured values for Quality Control purposes and it comes with an easy to read digital display in a splash proof stainless steel casing.

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