标准编号：ISO 4444:2022
中文名称：农业喷雾器 喷雾漂移参数的记录
英文名称：Agricultural sprayers — Recording of spray drift parameters
发布日期：2022-08
标准范围
This document defines requirements on the electronic measurements (during spray operation) and recording of operator-controlled application parameters that influence spray drift, when specified for certain drift reduction technologies (DRT).
The values measured and recorded can be used to compare the setting of the sprayer with the provisions authorized for the specific DRT.
The document is applicable for sprayers for both field and tree and bush crops. It does not apply to hand held and portable sprayers.
The following parameters are covered in this document:
a) spray pressure (pressure of the spray liquid and air in case of twin-fluid nozzles);
b) nozzle height (field crop sprayers);
c) fan rotational speed (for air assisted sprayers);
d) sprayer forward speed.
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