Small sprayers include hand-push type, hand-plate type, and pressing type. The volume of this type of sprayer is generally less than 0.4L, the diameter of the droplet is 50-100µm, and the spray range is about 1.5m. It is suitable for indoor spraying of pesticides and is convenient for direct use.
Manual sprayers are available in handheld compression and knapsack. The hand-held compressed sprayer is small in size and light in weight, and is mainly used in small areas or local control; the knapsack sprayer is slightly larger in size and has a droplet diameter of 100-200µm, which is a constant spray and is suitable for indoor and outdoor environments, garbage dumps (yards) and other places for residual spraying or spraying.
Motorized sprayers are mainly knapsack sprayers and portable micro sprayers, which are suitable for rapid insecticide and disinfection in large areas, and can be used as mist and ultra-low volume sprays.
Electric sprayers mainly include electric ultra-low volume sprayers and electric sprayers (airflow secondary atomization). The droplets are small, with a diameter of 20-70µm, and are suitable for killing sanitary pests indoors and outdoors.