Fly Control Units There are two main types of electric fly control units on the market - Electronic Fly Killers and Electronic Sticky Trap units. Both use Ultraviolet light from special tubes to attract flying insects.
Electronic Fly Killers Kill the insects by electrocuting them as they fly through a high-voltage killing grid. As the insects come into contact with the grid, the current passes through their body instantly killing it. The dead insect is caught in a tray suspended immediately below the grid.
Electronic Sticky Traps Catch the flying insects on a sticky board where they quickly die. Sticky traps have many advantages, such as silent operation, lower cost, ease of installation and the ability to keep the boards for permanent record purposes. They are also more effective against the smaller sizes of flying insects.
Servicing Units One of the main reasons why fly control units need to be replaced is that they are not kept clean. Make sure a maintenance or cleaning program is put in place.
Types of UVA tubes UV light is invisible to humans and therefore it is easy to assume that all blue light tubes offer similar performance. The UVA emitted from the tube is what attracts the fly. Therefore it is important only to use high quality UV tubes.
Shatterproof tubes In some environments, especially in food preparation areas, foreign matter such as broken glass is highly undesirable. In these areas, it is necessary to use shatterproof tubes.
The choice of material for this shatterproofing is important as few materials are available which will transmit UV effectively and yet possess the necessary properties to protect against glass escape should the tube break.
Tube life Ultraviolet light is invisible to humans and deteriorates over a short period of time, usually around 12 months. Blue light will still be emitted from the tube, but this will not attract the insects.
Just because a tube lights up, doesn't mean that it is producing enough of the correct range of UV to attract flying insects.
It is therefore important to change tubes at least every 12 months, preferably at the onset of warmer weather.
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