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Pesticide Safety Education Program

Ohio State University Extension

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Demonstration Sprayer

Demonstrations with the Spray Table 

(Videos with narration) by Erdal Ozkan

Professor and Extension Agricultural Engineer | The Ohio State University

ozkan.2@osu.edu 

 

Topic

Length

Link

Name of file at MediaSite

1. Comparison of flow rate of 3 sizes of flan fan nozzles, used at pressure of 40 psi.

5:25

https://mediasite.osu.edu/Mediasite/Play/554345fc28b744ec9c1a55e480cf30ab1d

Nozzle comparison

2. Comparison of 3 sizes of nozzles; explanation of standard color coding.

3:21

https://mediasite.osu.edu/Mediasite/Play/2044484a90014e2883792e6a009223361d

Spray nozzle

3. Comparison of droplets produced by 3 different sizes of nozzles.

1:26

https://mediasite.osu.edu/Mediasite/Play/8b806911fc79402b943828932b311bf91d

Drop comparison

4. Comparison of one size nozzle in different types: flat fan vs even flat fan.

4:19

https://mediasite.osu.edu/Mediasite/Play/848bed9ddbe4435a9afb14962647a21a1d

Spray comparison

5. Spray patterns produced by different nozzle types.

7:12

https://mediasite.osu.edu/Mediasite/Play/da4219657c1748d08f7506040464e9db1d

Spray pattern

6. Spray pattern of overlapping flat fans for broadcast coverage.

4:03

https://mediasite.osu.edu/Mediasite/Play/4739ca20cfb248aa8f8596d4d543b0f11d

Spray pattern 2

7. Effect of pressure on flow rate and droplet size.

5:50

https://mediasite.osu.edu/Mediasite/Play/8d18373477484ef49a2d443eb0cf55181d

Pressure comparison

8. Using a pressure gauge to test nozzle flow rate.

2:50

https://mediasite.osu.edu/Mediasite/Play/92552b295d074b9dbd5cae76e3455eda1d

Gauge test

9. Demonstration of how high pressure contributes to spray drift.

3:12

https://mediasite.osu.edu/Mediasite/Play/c6fdd86ebb1f46e0a4f194e649c862181d

Drift

10. Use of low-drift nozzles to reduce spray drift.

0:49

https://mediasite.osu.edu/Mediasite/Play/2950ca06d5964411933dcc02f1a429f81d

Drift potential

11. Low-drift nozzles for reduced drift.

1:42

https://mediasite.osu.edu/Mediasite/Play/9b742bad034e480fa497cea6848ec1fc1d

Low drift

 

Click Here for Large Demonstration Sprayer Instructions

The two larger demo units are still available to borrow, upon request.