The storage function of dishwasher evaluation and grading
1 Scope
This standard specifies and defines the terms and definitions, evaluation items, test conditions, evaluation methods and storage index calculation and grading for the storage function of household electric dishwasher.
This standard is applicable to household electric dishwashers with storage function.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 4706.25 Household and similar electrical appliances - Safety - Particular requirements for dishwashers
GB/T 23119 Household and similar electrical appliances - Performance - Hard water for testing
GB/T 20290 Electric dishwashers for household use - Methods for measuring the performance
3 Terms and definitions
For the purposes of this standard, the terms and definitions given in GB/T 20290 and the following apply.
3.1
storage function
function of machine of guaranteeing that the drying of tableware and the smell inside the machine are not affected within 72 hours of storage after the tableware are washed
3.2
storage index (SI)
mathematical expression for evaluating the dishwasher storage capacity
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3.3
smell scall (Ss)
mathematical expression for evaluating the odor removal ability of dishwashers
3.4
tableware drying index (Dt)
mathematical expression for evaluating the dishwasher drying capacity in terms of tableware
3.5
drying index for inner container and inner components of dishwasher (Dp)
mathematical expression for evaluating the dishwasher drying capacity in terms of inner components
3.6
condensate
water formed by water vapor on the surface of tableware or inner components due to temperature difference
4 Requirements
4.1 Technical requirements
As for the evaluation indexes of dishwashers with storage function,
a) the smell scall shall not be less than 0.30;
b) the tableware drying index shall not be less than 0.80;
