Mogeret Binti Sidi (1344)FSTS

Unit 1: Calibration of Hand Held Spraying Equipment

Morning Class..Have You Checked Your FB?

Objective

By the end of this lesson, student should be able to :-

i) Define what is calibrationii) Explain process in calibration

What is calibration?

What do you understand by calibration?

Factors affecting application

volume

Nozzle size, type and condition

Operator accuracy

Sprayer pressureForward speed

Why have to do calibration?

Effect

Effect

Calibration Method

1. read product label

2. follow calibration instructions

3. fit appropriate nozzle

Calibration Method

5. adjust water volumes (l/ha) within recommended limits to your specific needs, such as stage of crop growth

4. measure swath width

Here is the sample videohttp://www.youtube.com/watch?v=eeas2Vs0n4U

Could you tell me about the videos??

Summary

• Always follow high hygiene standards when working with crop protection products

• Spraying equipment must be calibrated at least once in every season of use

• Keep calibration records

• Product labels often contain recommendations on optimum application volumes, timing and the choice of nozzles

Quiz Time

Reminder

• Next topic Spray Equipment and Maintenance

Read before come to next class