DS DS/EN 60734
DS DSEN 60734 2003-MAY-22 Household electrcal applances - Performance - Hard water for testng
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This Standard describes the preparation of three waters of different hardness intended to be used for testing the performance of household appliances such as washing machines, dishwashers, dryers, steam irons, etc. It defines the characteristics of three waters and establishes various methods to be used for obtaining them.