What are the torches?
A flashlight is a light source held in the hand. This type of lighting is usually designed for maximum portability in very compact designs, to pocket formats. Previously, most flashlights used incandescent bulbs. Today, they are usually equipped with LEDs that offer better performance and low power consumption.
The waterproof torches are sometimes designed to meet specific needs, for example to operate under water. Their uses are varied. Some are designed to be hand-held, others are equipped with straps to be attached on the front or on a helmet, for example. Some come with holsters that attach to the wrist. The designs are numerous and with the progress made in terms of compactness and power, new models are constantly being developed.
What are the components of a flashlight?
A torch normally has very few parts. The box contains all the internal components. It may have specific characteristics, such as waterproofing or water resistance or certain hazardous chemicals. Some models allow you to adjust the light beam by altering the position of the lens or the reflector.
The internal parts include a power source, a switch (which projects from the housing, in most cases), a reflector, an LED or light source, a glass lens or plastic mounted on the light source .
Power is typically provided by a dry cell. The lithium ion batteries are becoming more common in this product category, although alkaline and rechargeable batteries are widely used. Some flashlights come with a crank that can recharge.
How does a flashlight?
A flashlight is a very simple device. The battery power or other source feeds the light source. A switch allows to turn it on and turn it off, and may provide other functions (flashing, color change, etc.). The flashlight can be provided with a resistor or other components to complete the circuit and provide additional functions.
Some lamps modern torches include a strobe function, a setting to select low or high power, etc. Options are often accessible loop on / off button. Some flashlights include a remote switch for turning on and off without contact. This accessory is common on flashlights designed to be mounted on a firearm, avoiding the shooter to change position to press the button.
What professions use flashlights?
The flashlights are essential in many professional activities. They are used by police, security agents to illuminate dark areas.When their light is deflected directly into the eyes, a flashlight can be used to limit the movements of a person dazzling, or to check whether it is confused or intoxicated.
All types of intervention and emergency services use flashlights. They are used for safety, visibility, with or without colored lenses to see in the dark without impairing night vision. For this latter application, the red lenses are often used.
Many types of craftsmen often use flashlights, such as plumbers to illuminate confined spaces or electricians to follow the wiring.
Torches are among the most commonly used tools in the world. Their use is widespread among professionals and non-professionals. They are part of the basic safety equipment of all types of vehicles.
The lamp miner’s torch is an example of the most famous use. Miners lamps are usually mounted on their helmets to leave hands free. The lamps flashlights offer the highest level of security, unlike open flame lamps, obviously.
Who else needs a portable lamp or a flashlight?
It would be difficult to find someone who has never needed a torch or hand lamp. Most safety tips recommend having at least a flashlight at home, or more preferably, and to periodically check the status of their batteries.
Torches and portable lamps are available in a multitude of designs to fit a wide variety of uses. For example, some are designed to be attached to surfaces to illuminate a computer keyboard, or other tasks requiring a powerful and mobile lighting. They are very useful for working on vehicles.
Some lamps are designed as hand torches lanterns. They offer excellent light relief and as signaling system. Some models include a red lens to serve as a warning light or other type of warning.
What is a wandering?
A portable lamp is a usable lamp in hand but is also designed to be suspended and function as a lantern. They are often fueled by the industry and used with an extension cable.
They include a temporary fixing means, such as a hook, a magnet or the like. They are available in the form of lamps and torches.
How does a wandering?
The operation is similar to wandering flashlights, except that they are often fueled by the industry and therefore do not need batteries. A portable lamp is fixed a lamp which can be moved as required. It includes a bulb, an on / off switch, and possibly an intensity setting. Unlike flashlights, hand lamps are designed to provide general illumination and therefore have no reflector to focus the light in one direction. They are designed to protect the lamp against shock and other hazards.
What are chargers flashlights / wandering?
These chargers are used to recharge the batteries of these lighting systems. They are available in many designs. Some may be connected to the mains and other models are powered by the cigarette lighter vehicles, for example. There are also power systems by solar panels, or crank systems. The chargers are widespread, as many torches and portable lamps are supplied with rechargeable batteries, guaranteeing high power and long life.
What are the batteries for flashlights?
These are simply batteries / battery used to power flashlights. They received significant progress since the first flashlights.
In the US, the torches are called “flashlights”. This term refers to the limitations of the first batteries were emptied so fast that users should make intermittent use by successive flashes, to extend their useful life.
With advances in technology, the batteries have become increasingly smaller and more powerful. Currently, most flashlights are powered by standard alkaline batteries. The performance of some flashlights is such that they can be powered by button batteries, slightly larger and flatter than those wrist watches.
The lithium ion batteries are becoming more common. They are rechargeable, offer high power and long battery life on a single charge.
Other types rechargeable batteries are prevalent, such as NiMH and NiCd.
Many models of internal batteries are not designed to be changed. In this case, the flashlight has a charging connector, and does not offer access to the battery compartment. When the lamp needs to be charged, simply plug into the mains. These flashlights are distinguished by a high level of performance and a large number of refills.
Some models are equipped with large batteries. They are still used but less frequently than before. For example, very large flashlights powered by 6V batteries are still in high demand because they illuminate a wider area and offer excellent autonomy.
What are bulbs for flashlights?
Bulbs for flashlights are the light emitting element. Two main types are available: incandescent bulbs and LED. These two types include a reflector which increases the intensity and directs the light beam.
Most incandescent bulbs emit light through a tungsten filament through the current in a glass ampoule which the air was evacuated. Over the years, ampoules containing gases have been developed, such as halogenated gas to produce a bright light, efficient and sustainable.
The bulbs are easy to replace, but their life span is often short. As the torches are not generally used for long periods, this limitation is not very important.
LEDs are much more efficient than incandescent bulbs. They produce a light much brighter than the bright incandescent bulbs while consuming less energy. The light of LED flashlights is usually white, but specialized models emit UV or colored light.
Some lamps LED torches combine several LED. They can then produce a very large amount of light, even if high power single LED models are being developed to deliver ever more powerful versions.
An LED bulb can produce up to 100 lumens per watt or more. Incandescent bulbs produce less than 10 lumens per watt.
Most LEDs are not replaceable, but they last much or more than the flashlight in which they are installed. LED bulbs have the disadvantage of generating more heat than incandescent bulbs and this heat can cause failure of the LED. Thereby torches LED are usually equipped with a heat sink.
What other accessories for torches?
Various accessories designed for ease of use flashlights or expand their applications and improve efficiency are available. We list below the most commonly used accessories.
A flashlight accessory pack contains elements designed to make it specific improvements. For example, it may include colored lenses, various fasteners and other items. They allow to meet specific needs. A yellow light can be used to signal, or a red light will illuminate a yard without disturbing anyone.
adapter tip Asia
The configuration of the sockets may vary by country and adapters are essential for charging devices. The high-end flashlights that can be recharged at an outlet part of the devices require an adapter. This adapter tip is specially designed for Asian countries. Other adapters are designed for other countries.
Torches are not normally used continuously, which means that they must be transported. A belt rack can hold a flashlight in hands free. But he does not use the lamp in hands free.
Lamp holder flexible torch
This accessory is used to hold the torch up to the necessary position. It is highly demanded by the people working on machines, computers and other activities.
These accessories are used to attach the flashlight on a helmet. They are used by people who work at night or in the basement / underground. They are also used by cyclists and other users who want a portable lighting and hands free.
This accessory is used as a gun holster. It securely holds the flashlight and protect it, to keep the self in all circumstances. The flashlight can not be used while in the case.
Some flashlights are expensive and have a long life, but they were designed before the LED lamps are widely available. An LED package installs an LED lighting system in a flashlight incandescent bulb. They provide a longer battery life and better performance. Each LED module must match the lamp model torch
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