Standard No.:	GB/T 20290-2024
English Name:	Electric dishwashers for household use—Methods for measuring the performance
Chinese Name:	家用电动洗碗机 性能测试方法
Professional Classification:	GB    National Standard
Issued by:	SAMR; SAC
Issued on:	2024-06-29
Implemented on:	2025-1-1
Status:	to be valid
Superseding:	GB/T 20290-2016 Electric dishwashers for household use—Methods for measuring the performance
Language:	English
File Format:	PDF
Word Count:	45000 words
Price(USD):	1350.0
Delivery:	via email in 1~3 business day

GB/T 20290-2024 Electric dishwashers for household use - Methods for measuring the performance 1 Scope This standard defines the principal performance characteristics of electric dishwashers for household and similar use and describes the standard methods of measuring these characteristics. This standard applies to electric dishwashers for household and similar use that are supplied with hot and/or cold water. This standard is concerned neither with safety nor with minimum performance requirements. 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 38383-2019 The minimum allowable values of the energy，water consumption and grades for dishwashers ISO 607 Surface active agents and detergents-Methods of sample division Note: GB/T 6372-2006 Surface active agents and detergents - Methods of sample division (ISO 607:1977, IDT) ISO 80000-1:2022 Quantities and Units - Part 1 : General IEC 60704-2-3 Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-3 : Particular requirements for dishwashers Note: GB/T 4214.3-2023 Test method for noise of household and similar electrical appliances - Particular requirements for dishwashers (IEC 60704-2-3:2017, MOD) IEC 60705 Household microwave ovens - Methods for measuring performance Note: GB/T 18800-2017 Household microwave oven - Methods for measuring performance (IEC 60705:2014, IDT) IEC 60734 Household electrical appliances - Performance - Water for testing Note: GB/T 23119-2017 Household and similar electrical appliances - Water for performance testing (IEC 60734:2012, IDT) IEC 62301 Household electrical appliances - Measurement of standby power Note: GB/T 35758-2017 Household electrical appliances - Measurement of standby power (IEC 62301:2011, IDT) 3 Terms, definitions and symbols 3.1 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1.1 dishwasher machine that cleans, rinses and dries tableware by chemical, mechanical, thermal, and electric means Note 1: A dishwasher may have a specific drying operation at the end of the programme. Note 2: Different dishwasher types are designated by manufacturers e.g. free-standing, built-in or integrated. 3.1.2 free-standing dishwasher dishwasher which is intended to be installed without an enclosing structure 3.1.3 built-in dishwasher dishwasher which is intended to be installed inside an enclosing structure such as a kitchen cupboard Note: built-in dishwasher includes sink dishwasher 3.1.4 integrated dishwasher built-in dishwasher which is designed to have a board fitted to the dishwasher door 3.1.5 test machine dishwasher used for tests concerned in this standard 3.1.6 reference machine dishwasher used to standardize cleaning and drying performance measurements Note: A reference machine is specified for use in this standard (see Annex I). 3.1.7 test run single cycle performance assessment 3.1.8 test series set of test runs which are collectively used to assess the performance 3.1.9 tableware dishware, glassware, cutlery and serving pieces used according to this standard to test a dishwasher 3.1.10 place setting set of tableware for the use by one person Note 1: Not including serving pieces. Note 2: A place setting is comprised of different items used for breakfast and lunch (type A); and dessert and dinner (type B). 3.1.11 serving pieces set of items for preparation and serving of food Note: Including pots, serving bowls, serving cutlery and a platter 3.1.12 Chinese standard tableware tableware meeting the requirements of GB 38383-2019 Note: referred to as Chinese tableware 3.1.13 rated dishwasher capacity whole number of place settings together with the serving pieces which can be cleaned and dried in one cycle when loaded in accordance with the manufacturer’s instructions Note: The rated dishwasher capacity is declared by the manufacturer and expressed as a number of place settings. 3.1.14 operation each event that occurs during the dishwasher programme Note: Including cleaning, rinsing or drying. 3.1.15 programme series of operations which are pre-defined within the dishwasher and which are declared as suitable for specified levels of soil and/or type of load Note: Usually, an end of programme indicator signals the end of the programme and the user has access to the load. 3.1.16 cycle complete cleaning, rinsing, and drying process, as defined by the programme selected, consisting of a series of operations until all activity ceases Note: The cycle may be equal to or last longer than the programme. 3.1.17 cycle time length of time beginning with the initiation of the cycle (of the selected programme), excluding any user programmed delay, until all activity ceases 3.1.18 programme time length of time beginning with the initiation of the programme, excluding any user-programmed delay, until an end of programme indicator is activated and the user has access to the load Note: If there is no end of programme indicator, the programme time is equal to the cycle time. 3.1.19 automatic dispenser device activated automatically which injects or dispenses detergent or rinse aid, one or more times into the dishwasher at predetermined points in the dishwasher cycle 3.1.20 non-automatic dispenser device, usually a fixed cup or cavity on the dishwasher door, cover, or rack, which deposits a previously measured amount of detergent or rinse aid, into the dishwasher 3.1.21 water softener device which reduces the hardness of water 3.1.22 regeneration process by which softening capacity is restored to a water softener 3.1.23 rack support for holding dishware, cutlery, and/or glassware in the dishwasher 3.1.24 detergent cleaning agent for use in dishwashers to aid in the removal of food soils by chemical means Note: A reference detergent in powder form is specified for use in this standard (see 5.7).