This International Standard specifies safety requirements and their verification for the design and construction of knapsack mistblowers incorporating a combustion engine where the air flow is generated by a fan.
DS/EN ISO 28139:2009 history
2021DS/EN ISO 28139:2021 Equipment for crop protection – Knapsack combustion engine-driven airblast sprayers – Safety and environmental requirements and test methods (ISO 28139:2019)
2009DS/EN ISO 28139:2009 Agricultural and forestry machinery - Knapsack combustion-engine-driven mistblowers - Safety requirements