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Pepper Fogger. Chemical Agents Instructor Course 02-23-07. Course Objectives. What the device is. How it works. Advantages/Disadvantages Operation. (5 step process). What is it?. A portable machine that uses a dense fog to dispense oil-based chemicals.
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Pepper Fogger Chemical Agents Instructor Course02-23-07
Course Objectives • What the device is. • How it works. • Advantages/Disadvantages • Operation. (5 step process)
What is it? • A portable machine that uses a dense fog to dispense oil-based chemicals. • The fogger was created for and primarily used in the agriculture industry to deliver pesticides to plants. • Law Enforcement uses the fogger to deliver chemical agents usually in a crowd control capacity.
How does it work? • The machine uses heat from a small engine’s exhaust to vaporize the liquid or chemical. • This creates a vapor which is then pushed out through the tube into cooler air. • This creates a fog which is comprised of small droplets of the liquid or chemical. • The fog is then dispensed from the machine’s tube onto a target area in a slightly more controlled manner than smoke.
Components Blow off valve Power Switch
Operation • Formulation button and Formulation metering valve in the “OFF” position. • ON/OFF control and “POWER” switch in the “ON” position. • Depress primer bulb until fuel is visible, then press three additional times. • Press and hold “IGNITION” and “AIR” switches until engine starts. • Once engine starts release “AIR” switch and continue to press “IGNITION”.
Advantages • Simplicity. (Turn it on and fog things.) • Operator can control doses. (Can manipulate micron size smaller or larger.) • Run time. (10-20 minutes on full tank of chemical.) • Easy to reload. (Pour pre-mixed chemical into tank.) • Psychologically effective. (Large cloud of fog.)
Disadvantages • Cumbersome. (A little over 4 feet long and a foot wide also weighs about 27 pounds.) • Loud. (Noisy engine.) • Mechanical operation. (Possibility of malfunction.) • Limited use. (Difficult to apply to some tactical operations.) • Heat. (Parts of machine get very hot.)
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