This standard specifies the technical requirements, test methods, inspection rules, markings, and packaging of handheld micro-hydraulic sprayers (hereinafter referred to as sprayers) that use piston-type manual pumps and conical mist nozzles to intermittently spray by finger pressure or flipping a switch. , transportation and storage. This standard applies to intermittent sprayers used for gardening watering, pesticide application and sanitation and epidemic prevention. This standard also applies to intermittent sprayers used as packaging containers for household cleaning products (cleaners, detergents, sterilizing liquids and other liquids).