Redpost RPU-353 pasteurisation temperature recorder

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The RPU-353 is a special-purpose electronic temperature recorder designed to monitor the tunnel pasteurisation process. It has inputs for two temperature probes for monitoring spray water and product temperature together with package internal pressure.

The instrument passes through the pasteuriser with the product and after the run the PU value achieved, together with several other important results, is calculated automatically. Standard results calculated are: total PUs achieved, time accumulating PUs, time in holding zone, maximum values of all channels etc. All sensor readings are shown continuously, allowing the unit to be used as a thermometer or pressure meter.

Redpost's latest series of monitors prevents product spoilage by calculating the temperature of the product when it leaves the pasteuriser, this exit temperature being shown with the other results.

Results are displayed on the instrument allowing immediate confirmation of correct pasteurisation, and the display can show graphs and lists of recorded data in a choice of units. The conditions during several runs can be recorded and examined before the data is printed or transferred, allowing end-to-end working without returning to the laboratory. Pressure is shown on all graphs and lists allowing identification of spikes in pressure that may cause package damage and therefore product wastage.

The controls are simple and the display shows operating prompts and results in a choice of languages and engineering units. Many functions of the equipment can be configured to suit particular requirements. All settings are protected to prevent operators making accidental changes to the configured settings.