Provningsjämförelse: Prallmetoden EN 12697-16:2016

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This profiency testing has mainly been carried out to assess whether the changes introduced in the latest version of the Prall Standard, EN 12697–16: 2016, has improved the precision of the method.

22 laboratories participated, 16 Swedish and 6 from other Nordic countries, where the studded tires occur. The results show that the spread in the results between different laboratories is around the same level as in previous round Robin tests despite measures taken to improve the precision of the method.

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