Ningbo Dahua Electric Appliance-NINGBO DAHUA ELECTRIC APPLIANCE CO.,LTD
NINGBO DAHUA ELECTRIC APPLIANCE CO.,LTD
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Noise test |--------------------------------------+---------------------------------------|
PURPOSE -----------------------------------------------------------------------------

EQUIPMENT
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Refer to IEC704-1 IEC704-1 Carpet


METHOD
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Put brush on the tube and place it on carpet to start noise test

Judge by subjective feeling
When it cleans carpet behind curtain, 5 people comment at 5 different places
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REQUIREMENTS
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Without hose during testing, Lift the cleaner during testing---------------------------------------------