To: High Voltage list Subject: Re: Switch-mode supply for bug zapper (fwd) You need the factors for the steel you intend to use. Differing types have totally different losses. You get hold of this from the mfgr. Digi-Key has some inexpensive IR sort emitters & detectors. Have the fly crawl a distance, like 4-6 inches inside the tube, Zap Zone Defender Device after which, he triggers the IR beam which controls the zapper. A small single ended NST works nice for this application. The current will burn them proper up. The fly hits the IR beam on the 1/2 mid-approach level which energizes a small grid in each direction. The midpoint has a piece 2 inches lengthy with no grid. They turn out to be trapped and cannot exit either path with out getting zapped. You may also use a 600 Ohm to 10K audio xmfr. They make nice HV sparks operating in a pulsed mode. If the time duration is brief, like 1-2 sec, they may also charge a cap rectified with a 1/2 wave diode in a short while interval. Then the charged cap waits for the fly. The charging cycle occurs each 5 minutes and is controlled by a 555 IC chip --- a small relay controls the power part. You set sugar crystals within the tube and at the tip of the tube use a small glass take a look at tube so you'll be able to see your accumulated flies to adjust the time periods. The flies will accumulate after which try to go out the charged grid part. The one we have makes use of a traditional laminated iron, 50Hz transformer. I'd like, so I'm taking a look at making a switchmode model. 2) Ditto for Zap Zone Defender Device sizing the components for the snubber. HV rectification and that I'd need a string of excessive-pace diodes.

Dynatrap makes insect traps that work on the identical principle as others. They appeal to flying bugs with warmth and Zap Zone Defender Testimonial carbon dioxide, then catch them and forestall them from escaping. For warmth, they use a fluorescent extremely-violet bulb, which also emits bug-attracting light. The main distinction is that they don’t use propane to create carbon dioxide (CO2). Instead, they use a special course of. More on that under. Since they don’t use propane, meaning no want to buy and change cylinders, and best of all, no upkeep issues with clogged strains or failure of the propane to gentle-points that bother many different traps. You continue to need to plug them in, so you’ll want an outside outlet and an extension cord if you need dangle the trap more than 7-10 feet from the outlet. The DT2000XL model is dearer than the DT1000 model, however it’s greater, with a stronger fan and vivid light, and may entice bugs from farther away, with coverage up to an acre for the DT2000XL and a half-acre for the DT1000, in line with the manufacturer.

If you’ve definitely determined not to purchase a propane mosquito lure, that is the subsequent smartest thing. I’ll list the professionals and cons of the 2 fashions collectively, Zap Zone Defender Device because they’re similar. Its initial value is cheaper than propane traps. It doesn’t require the hassle and expense of changing propane tanks. It catches other bugs moreover mosquitoes, although that’s not at all times good if they’re helpful ones. You need to use it indoors or outdoors. The one sound is the quiet humming of the fan and there’s no odor. It’s secure for pets, Zap Zone Defender Device youngsters and the surroundings, because it makes use of no insecticides. The massive one: it doesn’t essentially kill mosquitoes specifically, so you may get extra moths or different issues instead. You’ll have to mount it about 5 to 6 toes off the bottom. One mannequin, the DT1200, comes with its own hanger, patio insect zapper but in any other case, it wants a tree branch, put up, wall, fence, and so forth. to grasp or Zap Zone Defender Device sit on.

If you employ it outdoors, it might have some rain shelter to stop water from entering into the accumulating area. It wants an outlet 7-10 toes away or an extension cord. It’s tough to empty with out letting some bugs escape. The declare that it emits an effective quantity of CO2 has been questioned. Like all traps, it wants positioned in a superb location, shady and sheltered, the place mosquitoes can find it, but not the place you’ll be bothered by them. The lights in the top of the entice emit warmth and ultraviolet rays, which entice mosquitoes in addition to other insects, notably moths at night. There are openings under the lights the place bugs can fly in. Once inside, they’re sucked down by the fan’s air currents into the retaining cage below, Zap Zone Defender the place they’re unable to escape and die inside a day. Unfortunately, Zap Zone Defender Device gentle and warmth are simply two of the issues that entice mosquitoes, Zap Zone Defender USA since what they’re mainly looking for are folks to chew.

Carbon dioxide is what they actually seek, since we and Zap Zone Defender Setup different animals emit it once we exhale. Mosquitoes know that in the event that they comply with that vapor trail, there will be a tasty animal on the other finish, able to be bitten. To provide carbon dioxide, the Dynatrap makes use of a broad form of funnel above the fan, coated with titanium dioxide (TiO2). The manufacturer claims that when the ultraviolet light reacts with the TiO2, "a photocatalytic response takes place that produces carbon dioxide." That is the process it makes use of, instead of burning propane like different traps. However, when the University of Wisconsin tried to measure the amount of carbon dioxide emitted, they reported that they detected none at all. One reviewer identified that the TiO2 surface would wish coated with a source of carbon, like mud or dead bugs, in order for the process to make carbon dioxide. See the assessment right here (scroll right down to Dr. Marsteller’s remark).

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Pub: 16 Aug 2025 17:42 UTC

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