1、 g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58spraying equipment Part 1: ClassesICS 65.060.40Crop protection equipment Drift classification of BR
2、ITISH STANDARDBS ISO 22369-1:2006BS ISO 22369-1:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2006 BSI 2006ISBN 0 580 49595 7Amendments issued since publicationAmd. No. Date Commentscontract. Users are responsible for its co
3、rrect application.Compliance with a British Standard cannot confer immunity from legal obligations.National forewordThis British Standard was published by BSI. It is the UK implementation of ISO 22369-1:2006.The UK participation in its preparation was entrusted to Technical Committee AGE/15, Equipme
4、nt for crop protection and application of liquid fertilizer.A list of organizations represented on AGE/15 can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a Reference numberISO 22369-1:2006(E)INTERNATIONAL STANDARD ISO22369-1Fir
5、st edition2006-06-01Crop protection equipment Drift classification of spraying equipment Part 1: Classes Matriel de protection des cultures Classification de la drive des matriels de pulvrisation Partie 1: Classes BS ISO 22369-1:2006ii iiiForeword ISO (the International Organization for Standardizat
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8、 are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an Internat
9、ional Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 22369-1 wa
10、s prepared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture and forestry, Subcommittee SC 6, Equipment for crop protection. ISO 22369 consists of the following parts, under the general title Crop protection equipment Drift classification of spraying equipment: Part 1: Classes
11、 Wind tunnel testing is to form the subject of a future Part 2. BS ISO 22369-1:2006iv Introduction Spray drift of plant protection products can contaminate non-target or sensitive areas, such as surface water, hence minimum spray distances, or buffer zones, are often specified. Using sprayers and/or
12、 sprayer parts which reduce levels of spray drift can enable these distances to be reduced. Drift classification procedures for sprayers and sprayer parts facilitate decision making by the farmer and may be of interest in defining best practice or for regulation/legislation. Spray drift can occur as
13、 airborne drift and ground sedimentation of drift fallout. Classification is based on the comparison of spraying equipment (for example, sprayers or parts of sprayers), with reference spraying systems based on the use of spraying equipment according to good agricultural practice for plant protection
14、 in different regions and crops. Spray drift deposition or collection is measured at different distances from the target area and the drift reducing performance of the spraying equipment is rated against a reference spray system. The object of ISO 22369 is to provide uniform procedures for the deter
15、mination of the drift reducing performance of spraying equipment. BS ISO 22369-1:20061Crop protection equipment Drift classification of spraying equipment Part 1: Classes 1 Scope This part of ISO 22369 specifies the drift classification of spraying equipment and defines the spray drift reduction cla
16、sses. This part of ISO 22369 is applicable to spraying equipment used in applications such as arable field crops, in bush and tree crops, and in horticulture and forestry. This part of ISO 22369 is intended to be used in conjunction with the other parts of ISO 22369, as applicable. 2 Terms and defin
17、itions For the purposes of this document, the following terms and definitions apply. 2.1 drift reduction dreddifference between the spray drift deposition or collection of the candidate spraying equipment (CS) and that of a reference spray system (RS), for the same distance and test procedure, calcu
18、lated as RS CSredRS100dddd=% 3 Classification The classification is based on the comparison of the candidate spraying equipment with the reference spraying system. The classification may include classes A to F (see Table 1). The classification of the spraying equipment depends on the amount of reduc
19、tion of spray drift determined by using one of the test methods given in other parts of ISO 22369. Table 1 Drift reduction classes Class F E D C B A Drift reduction, % 25 u 50 50 u 75 75 u 90 90 u 95 95 u 99 W 99 BS ISO 22369-1:2006BS ISO BSI389 Chiswick High RoadLondonW4 4AL22369-1:2006BSI British
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