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Homepage>BS Standards>65 AGRICULTURE>65.060 Agricultural machines, implements and equipment>65.060.40 Plant care equipment>21/30413914 DC BS ISO 4444. Agricultural sprayers. Recording of Spray Drift Parameters
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21/30413914 DC BS ISO 4444. Agricultural sprayers. Recording of Spray Drift Parameters

21/30413914 DC

BS ISO 4444. Agricultural sprayers. Recording of Spray Drift Parameters

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Standard number:21/30413914 DC
Pages:15
Released:2021-07-20
Status:Draft for Comment
DESCRIPTION

21/30413914 DC


This standard 21/30413914 DC BS ISO 4444. Agricultural sprayers. Recording of Spray Drift Parameters is classified in these ICS categories:
  • 65.060.40 Plant care equipment

This document defines requirements on the 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 field crops sprayers and sprayers for bush and tree crops. It does not apply to hand held and portable sprayers.

The following parameters are covered in this document:

  1. spray pressure (pressure of the spray liquid and air in case of twin-fluid nozzles);

  2. nozzle height (field-crop sprayers);

  3. fan rotational speed (for air assisted sprayers);

  4. sprayer forward speed.

This document does not specify:

  • the requirements for data format and data exchange;

  • the exact length of the recording period;

  • the verification of the measured and recorded parameters;

  • The requirements for data format and exchange because they are covered by other ISO standards.

NOTE

This document does not specify which of the four parameters needs to be monitored


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