GB/T 38048.2-2021

Surface cleaning appliances - Part 2: Performance testing methods for household and similar dry vacuum cleaners

Equivalent to IEC 62885-2:2016

The current effective new standards should be prioritized for selection; Replace GB/T 20291.1-2014

Specify the complete set of air performance equipment: pressure equalization box (type A/orifice plate type B), throttling mechanism, pressure measuring point, flow measurement, vacuum degree, suction power (AirWatt), input power testing conditions, pipeline size, ambient temperature and humidity.

Test parameters: vacuum degree, air volume, air power (suction power), input power, efficiency, P-Q characteristic curve