Published
ISO 11545:2009 specifies an in-field method for determining the uniformity of water distribution in the field from centre-pivot and moving lateral irrigation machines equipped with sprayer or sprinkler nozzles. The calculation of the coefficient of uniformity is also specified.
It is applicable to agricultural irrigation machines for which the water application device is more than 1,5 m above the soil surface and for which the water distribution from successive devices overlaps. It is not applicable to the evaluation of centre-pivot irrigation machines equipped with various corner arm application devices.
                WITHDRAWN
                                    ISO 11545:2001
                            
                    PUBLISHED
                    ISO 11545:2009
                    90.20
                                        Standard under periodical review
                    Oct 15, 2025
                
Agricultural irrigation equipment - Centre-pivot and moving lateral irrigation machines with sprayer or sprinkler nozzles - Determination of uniformity of water distribution (ISO 11545:2009)
90.60 Close of review
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