The Optima vT leak and flow tester is claimed by its manufacturer, US company Uson, to be the only leak test instrument with eight sensors allowing eight concurrent tests. The tester incorporates mathematical functions that mean a product with four chambers can be tested at the same time and summed to create a total, providing both an individual and an overall result. Global sales director Gene Grilli said: "In addition, slope and intercept calculations along with averaging can be done easily.
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