Friday, August 5, 2011

No. 295: Measure the radiation dose of foods in package in 12 seconds (August 5, 2011)

It is currently necessary to cut such fresh foods as vegetables, meats, and fish products into pieces to measure their radiation dose, and this process takes several tens of minutes. A device that can measure the radiation dose of fresh foods in 12 seconds without opening the package has been developed by Fuji Electric. The company is scheduled to put the device on the market coming September for companies and organizations involved in food marketing, such as food distributors, agricultural cooperatives, and fisheries cooperatives. It is priced at 4.3 million yen. The newly-developed device can measure cesium and iodine for the amount that exceeds the tentative regulation value for food that is 500 becquerels per kilogram. Alarm is activated when it detects the amount that exceeds the tentative regulatory value. The system puts two highly sensitive sensors in two points and measures the radiation dose of packaged foods while they are running between the two points. With this device, it has become possible to measure 200 cardboard boxes per hour continuously. The company applied the technology used in the highly sensitive radiation does measuring device for hospitals to food evaluation. This kind of device is expected to be launched one after another.

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